In single-family residence districts, every single-family dwelling hereafter erected or structurally altered shall be located on a lot, and there shall not be more than one principal building on one lot except in the SR-2 district for a unified senior housing development there may be more than one principal building on a lot subject to a special use approval. (Ord. 2014-O-03, 5-28-2014)

TABLE 1
RESIDENTIAL LOT STANDARDS

(Ord. 2013-O-14, 10-23-2013; amd. Ord. 2022-O-17, 9-28-2022; Ord. 2025-O-01, 1-22-2025)

(Ord. 78-03, 2-16-1978)

Home occupations are permitted in all residential districts and are governed by the following regulations:

   A.   Permitted Home Occupations And Uses: Permitted home occupations and uses include, among others:

      1.   Artist studio;

      2.   Sculptor's studio;

      3.   Use of the premises by a clergyman, physician, surgeon, dentist, lawyer, architect, engineer, contractor, accountant, or other persons for consultation with patients, clients or customers, but not for the general practice of his profession or trade; and

      4.   Teaching, tutoring or other types of instruction to either an individual or a group of persons not to exceed four (4) in the aggregate, provided it is conducted in a manner not to constitute a nuisance.

Permitted home occupations shall not include the use of any mechanical equipment other than is usual for domestic or hobby purposes.

   B.   Prohibited Uses: Uses which are not deemed home occupations and which are not permitted include, among others:

      1.   Clinics, doctors' offices, hospitals, barbershops, beauty parlors, dress shops, millinery shops, real estate offices, taxicab or livery services, nursery schools, daycare centers, tearooms, restaurants, tourist homes, boarding houses, rooming houses, social clubs, nursing homes, animal hospitals, kennels, building contractors' storage and similar uses;

      2.   Any wholesale, retail or service business which regularly involves the sale, receipt or delivery of merchandise on the premises;

      3.   Any use which produces noxious matter, creates a public hazard, or constitutes a nuisance; and

      4.   The repair, bodywork or painting of any vehicle for remuneration.

Any gainful activity which is not a permitted home occupation or use shall be considered as a business use and is prohibited in any residential district.

   C.   Exterior Storage Prohibited: There shall be no exterior storage of any equipment or materials used in any occupation.

   D.   Signs Prohibited: There shall be no sign or display that will indicate from the exterior that the building is being used for any purpose other than that of a dwelling. (Ord. 82-10, 11-4-1982)

Private, public or semipublic tennis courts are a permitted accessory use in any residential zone subject to the following standards:

   A.   Certain Courts Prohibited: Courts for deck or platform tennis, handball, squash, and racquetball are not permitted.

   B.   Yard Requirements: Tennis courts shall meet all front and rear yard setback requirements for the zone in which the lot or parcel of land is located, and shall not be closer than fifteen feet (15') to the side yard in any zone.

   C.   Location Near Septic Field: Tennis courts shall not be located closer than ten feet (10') from any part of a septic field or the planned septic field expansion area.

   D.   Fences: Tennis courts may be enclosed by a tight fence not higher than twelve feet (12').

Any enclosing fence, if over seven feet (7'), shall meet all front, side and rear yard setback requirements for the zone in which the lot or parcel of land is located.

   E.   Lighting: Any lighting provided for a tennis court shall be installed so as not to create any glare or reflection on adjoining property or streets 2 . Lighting standards shall be fitted with theatrical baffles. (Ord. 79-05, 6-27-1979)

On any residential lot, exterior lights must be so arranged so as not to cause any glare or reflection on any adjacent property or street. (Ord. 79-05, 6-27-1979)

The maximum height of buildings shall meet the following standards, which are also listed at section 8-5-2, table 1 of this chapter:

   B.   Accessory building: Twenty feet (20') or one story, whichever is less, except an agriculture permitted use lot of 20 acres or greater and subject to a conservation easement restricting the lot's maximum building coverage or an AG District lot 10 acres or greater may have 1 accessory building with a maximum building height of thirty-five feet (35') or two and one-half (2½) stories, whichever is less.

Building height may be modified as part of a special use review and approval process for a unified senior housing development that may require increases in the minimum yards or setbacks. See also section 8-5B-3, subsection F under "senior housing development, unified", of this chapter. (Ord. 2014-O-03, 5-28-2014; amd. Ord. 2022-O-17, 9-28-2022; Ord. 2025-O-01, 1-22-2025)

The maximum cumulative total building and impervious surface coverage on a lot shall meet the following standards: (Ord. 2014-O-03, 5-28-2014)

   A.   Agriculture District (For Lots Of 40,000 Square Feet Or Greater In The AG District): Maximum building coverage shall not exceed ten percent (10%) of the lot area and maximum impervious surface coverage shall not exceed twenty percent (20%) of the lot area. (Ord. 2013-O-14, 10-23-2013)

   B.   Residential Districts (For Lots Of 40,000 Square Feet Or Greater In The SR-5, SR-2, SR-1.5, SR-1 And SR-1A Districts): Maximum building coverage shall not exceed twenty percent (20%) of the lot area and maximum impervious surface coverage shall not exceed thirty percent (30%) of the lot area. Maximum impervious surface coverage may be modified as part of a special use review and approval process for a unified senior housing development that may require increases in the minimum yards or setbacks. (Ord. 2014-O-03, 5-28-2014)

   C.   Exceptions: In an SR-1 cluster open space subdivision, SR-1 transitional cluster subdivision, and SR-1 bonus cluster subdivision the maximum coverage shall be controlled by the "buildable area on a lot" standards in the district standards for these developments.

   D.   Nonconforming And Special Use Lots: For residentially zoned legal nonconforming lots, or for a residentially zoned lot in a special use that does not have a specific building or impervious surface coverage standard in the special use ordinance approved by the village, and where the lot is less than forty thousand (40,000) square feet but greater than twenty thousand (20,000) square feet, the maximum building coverage shall not exceed twenty percent (20%) and the maximum impervious surface coverage shall not exceed thirty five percent (35%), and for lots of twenty thousand (20,000) square feet or less the maximum building coverage shall not exceed twenty three percent (23%) and the maximum impervious surface coverage shall not exceed thirty seven percent (37%). (Ord. 2013-O-14, 10-23-2013)

No building, structure or premises shall be used and no building or structure shall be hereafter erected or altered within any SR-5 district, unless otherwise provided for in this title, except in conformity with the regulations established and set forth in this article. (Ord. 72-06, 11-22-1972; amd. Ord. 76-02, 6-23-1976; Ord. 79-05, 6-27-1979)

The only uses permitted are:

Accessory uses.

Agriculture, only the following uses are permitted under the term "Agriculture":

   A.   Apiary;

   B.   Cultivation of field and garden crops

   C.   Flower farm

   D.   Livestock raising on a minimum ten (10) contiguous, vacant acres subject to the following:

TABLE 8-5A-2-1
LIVESTOCK RAISING REQUIREMENTS

 

Cemetery.

Private stable, accessory to residence.

Single-family dwellings, one per lot.

Temporary buildings solely for construction purposes for a period not to exceed such construction.

Unilluminated "For Sale" and "To Rent" signs subject to the following:

   A.   There shall be not more than one sign per lot, except that on a corner lot two (2) signs, one facing each street, shall be permitted. No sign shall exceed twelve (12) square feet in area nor be closer than eight feet (8') to any other lot.

   B.   No sign shall project beyond the "lot line" as defined herein. (Ord. 72-06, 11-22-1972; amd. Ord. 76-02, 6-23-1976; Ord. 79-05, 6-27-1979; Ord. 2022-O-17, 9-28-2022; Ord. 2025-O-01, 1-22-2025)

The following uses are permitted if and only if a permit is issued pursuant to chapter 10 of this title:

Churches.

Electric substations where required for local area services.

Sanitary sewerage pumping facilities where required for local area services.

Schools.

Water pump stations and reservoirs where required for local area services. (Ord. 91-04, 6-26-1991)

   A.   Lot Area, Frontage, Depth: Every lot, farm or other parcel of land shall have a minimum area of five (5) acres, a minimum lot frontage of three hundred feet (300') and a minimum lot depth of three hundred fifty feet (350') for all permitted uses; except that, the minimum lot frontage on a cul-de-sac shall be sixty five feet (65') and on a curvilinear street, shall be one hundred feet (100') at the front lot line.

   B.   Building Coverage And Impervious Surface Coverage: For lots of forty thousand (40,000) square feet or greater, maximum building coverage shall not exceed twenty percent (20%) of the lot area and maximum impervious surface coverage shall not exceed thirty percent (30%) of the lot area. For lots of less than forty thousand (40,000) square feet, the provisions of subsection 8-5-7D of this chapter shall apply.

   C.   Yards:

      1.   Front Yard: There shall be a front yard of not less than fifty feet (50') in depth; except that, in a cul-de-sac or on a curvilinear street the lot width of the building line shall be three hundred feet (300') measured on an arc line from the center of the cul-de-sac or the center of the curvilinear street to the building line.

      2.   Side Yard: There shall be two (2) side yards, each of which shall be not less than fifty feet (50') wide.

      3.   Rear Yard: There shall be a rear yard of not less than fifty feet (50') in depth.

   D.   Building Height: Principal building height shall not exceed two and one- half (21/2) stories above a basement story or thirty five feet (35'), whichever is lower. Maximum accessory building heights shall be as stated in subsection 8-5-6B of this chapter.

   E.   Ground Floor Area: One-story dwellings shall have a total habitable ground floor area of not less than one thousand five hundred (1,500) square feet. Dwellings having more than one story shall have not less than one thousand two hundred (1,200) square feet of ground floor area.

   F.   Accessory Buildings: All accessory buildings except garages shall have the same side yard and rear yard requirements as are required for the principal building and shall not be closer to the front lot line than seventy-five feet (75'). Garages shall have the same side, rear and front yard requirements as the principal building. No attached garage shall exceed forty five percent (45%) of the square footage of the first floor of the principal residence. The total combined square footage of all accessory buildings shall not exceed seventy five percent (75%) of the square footage of the first floor of the principal building, including the area within an attached garage, except in cases where the lot coverage of the principal building and all accessory buildings and uses is less than fifteen percent (15%), in which case the seventy five percent (75%) limitation of the combined area of accessory buildings as a percentage of the square footage of the principal building shall not apply, and up to ten percent (10%) of the area of the lot may be covered by accessory buildings. For any accessory building receiving an exception to the seventy five percent (75%) of the square footage of the first floor of the principal building limit, the total combined square footage of all accessory buildings shall not exceed 2,000 square feet, except on an agriculture permitted use lot of ten (10) acres or greater, and any detached garage accessory building shall require an additional two (2) feet of setback for every 100 square feet over 1,000 square feet from any side yard which adjoins a street. Refer to section 8-5-7: MAXIMUM BUILDING AND IMPERVIOUS SURFACE COVERAGE for additional provisions on total lot coverage area limits. (Ord. 72-06, 11-22-1972; amd. Ord. 76-02, 6-23-1976; Ord. 78-03, 2-16-1978; Ord. 79-05, 6-27-1979; Ord. 2007-O-15, 10-24-2007; Ord. 2013-O-14, 10-23-2013; Ord. 2023-O-12, 7-26-2023; Ord. 2025-O-01, 1-22-2025)

No building, structure or premises shall be used and no building or structure shall be hereafter erected or altered within any SR-2 district, unless otherwise provided for in this title, except in conformity with the regulations established and set forth in this article. (1988 Code)

The only uses permitted are:

Accessory uses.

Agriculture on a minimum of five (5) acres and limited to the following:

   A.   Apiary

   B.   Cultivation of field and garden crops

   C.   Flower farm

   D.   Livestock raising on a minimum 10 contiguous, vacant acres subject to the following:

TABLE 8-5B-2-1
Livestock Raising Requirements

 

   E.   Nursery, tree and shrub; and

   F.   Orchard.

Cemetery.

Private stable on lots 200,000 square or more, accessory to a residence.

Single-family detached dwellings, one per lot.

Temporary buildings solely for construction purposes for a period not to exceed such construction.

Unilluminated "For Sale" and "To Rent" signs subject to the following:

   A.   There shall be not more than one sign per lot, except that on a corner lot two (2) signs, one facing each street, shall be permitted. No sign shall exceed twelve (12) square feet in area nor be closer than eight feet (8') to any other lot;

   B.   No sign shall project beyond the "lot line" as defined herein. (Ord. 60-08, 4-27-1960; amd. Ord. 65-06, 10-23-1965; Ord. 66-03, 5-18-1966; Ord. 72-01, 4-26-1972; Ord. 76-02, 6-23-1976; 1988 Code; Ord. 2022-O-17, 9-28-2022; Ord. 2025-O-01, 1-22-2025)

The following uses are permitted if and only if a permit is issued pursuant to chapter 10 of this title:

Churches.

Cluster subdivision developments with individual residential lot requirements reduced in lot area, lot width and depth, and side, front and rear yards to the requirements set forth in the SR-2 district, provided that the development shall meet the following standards:

   A.   The minimum area of the cluster subdivision development shall be twenty (20) acres;

   B.   The average density of all lots shall be not greater than one residential lot for each two (2) acres (87,120 square feet) in the total area cluster subdivision (including internal local streets and areas permanently dedicated to public or recreational uses);

   C.   The land is found to be physically and environmentally suitable for development under standards of the SR-2 district as identified in the village comprehensive plan or as established in special use hearings required for cluster subdivision approval 1 ;

   D.   If the area of any individual residential lots in the cluster subdivision (including internal local streets) is less than two (2) acres (87,120 square feet), the balance of the area in the subdivision which increases the average density to the minimum area requirements shall be dedicated or reserved to public or recreational uses which are found necessary or desirable to the community;

   E.   The use of the area devoted to public or recreational uses shall be permanently assured and control of such uses shall be retained by the village;

   F.   The entire cluster subdivision shall be subdivided and developed as one unit, unless each subunit shall meet all of the standards of a cluster subdivision independently of the others;

   G.   A sketch plan and supporting documents as provided in section 9-2-2-1 of this code shall be submitted and approved and incorporated as a condition of the special use permit; and

   H.   All lots in any SR-2 cluster subdivision shall be served by public sanitary sewers.

   I.   Such other and further conditions or requirements as the village authorities may set forth when permitting the development of a particular area as a cluster subdivision.

   J.   The developer of a cluster subdivision shall provide adequate provisions for the future maintenance and control of the open spaces, preservation areas, walkways and other facilities required by the village authorities to be established in areas dedicated or reserved to public or recreational uses.

Electric substations where required for local area services.

Sanitary sewerage pumping facilities where required for local area services.

Schools.

Senior housing development, unified:

   A.   The minimum area for a site for a unified senior housing development shall be ten (10) acres;

   B.   The majority of the residential units in a unified senior housing development, a minimum of fifty percent (50%) of the total number of residential units, shall be for independent senior living units by residents that are primarily over sixty (60) years in age, and the remaining residential units may be for assisted care senior living units as found consistent with the village of Green Oaks standards for a special use;

   C.   The site for the unified senior housing development is found to be physically and environmentally suitable for development in the SR-2 district as established in special use hearings required for approval, and the site must be found to be able to take access from a regional arterial roadway as identified in the village's comprehensive plan and cannot take any access from a local street or roadway except for purposefully designed emergency access points only, and the site shall be abutting property that is part of the regional open space system as identified in the village's comprehensive plan;

   D.   The buildings in the unified senior housing development shall be so located adjacent to any property line that is not part of the subject site so as to meet or exceed the minimum yards or setbacks requirements of the SR-2 district and more than one principal building may be included as part of the unified senior housing development special use approval provided that the internal setbacks between buildings are found to be necessary or desirable to the unified senior housing development and to the community;

   E.   The building coverage for the building or buildings in the unified senior housing development shall not exceed the building coverage standard of the SR-2 district, and the impervious surface coverage may only exceed the impervious surface standard of thirty percent (30%) in the SR-2 district by a maximum of thirty percent (30%), being a maximum of thirty nine percent (39%) provided there is the inclusion of amenities such as walking paths, seating areas and other amenities that may relate to the needs of the residents of the unified senior housing development as found to be desirable as part of the special use approval process;

   F.   The building height as part of the unified senior housing development shall not exceed three (3) stories and for the building height standard of up to thirty five feet (35') in the SR-2 district the yard or setback requirements of the SR-2 district of a minimum of thirty feet (30') from a property line shall be applied, however for each one foot (1') of building height of over thirty five feet (35') an additional five feet (5') of yard or setback from a property line shall be required, provided the maximum building height shall not exceed forty feet (40') with a minimum yard or setback of sixty feet (60') from a property line. Opaque screening of all rooftop equipment shall be required and the screening shall be part of the special use review and approval process;

   G.   A traffic study including a parking demand study section shall be prepared by a qualified traffic engineer and submitted as part of the supporting documents for a unified senior housing development, special use application. Unless through the special use review and approval process the plan commission recommends and the village board approves parking standards that are found to be appropriate for the parking demand characteristic of the specific unified senior housing development, the following parking standards shall apply: for the first one hundred (100) units in a building for both independent and assisted living senior housing units: 0.75 parking space per unit, and for each unit above those first one hundred (100) units: 0.5 parking space for each unit. For any independent senior housing units that are not part of a building with assisted living units either an attached one car garage with a driveway to the garage that can accommodate one additional parking space must be provided for each unit, or a minimum of 1.75 parking spaces per unit must be provided in a parking lot that is adjacent to the independent living units and is reviewed and approved as part of the specific special use;

   H.   A site plan and supporting documents shall be submitted and approved and incorporated as a condition of the special use permit;

   I.   A unified senior housing development in the SR-2 district shall be served by public sanitary sewers and public water;

   J.   Such other and further conditions or requirements as the village corporate authorities may reasonably establish when permitting the development of a particular site for a unified senior housing development.

Water pump stations and reservoirs where required for local area services. (Ord. 89-12, 7-26-1989; amd. Ord. 91-04, 6-26-1991; Ord. 2014-O-03, 5-28-2014)

   A.   Lot Area, Frontage, Depth: Every lot, farm or other parcel of land shall have a minimum area of two (2) acres, a minimum lot frontage of one hundred fifty feet (150'), and a minimum lot depth of one hundred seventy five feet (175') for all permitted uses; except that, the minimum lot frontage on a cul-de-sac shall be sixty five feet (65') and on a curvilinear street, shall be one hundred feet (100') at the front lot line.

   B.   Building Coverage And Impervious Surface Coverage: For lots of forty thousand (40,000) square feet or greater, maximum building coverage shall not exceed twenty percent (20%) of the lot area and maximum impervious surface coverage shall not exceed thirty percent (30%) of the lot area. For lots of less than forty thousand (40,000) square feet, the provisions of subsection 8-5-7D of this chapter shall apply. Subject to compliance with the village stormwater regulations, the zoning standards for building coverage and impervious surface coverage may be modified as part of a special use and approval process subject to the inclusion of amenities such as walking paths, seating areas and other amenities that shall relate to the needs of the residents of the unified senior housing development and found by the corporate authorities to be desirable as part of the special use approval process.

   C.   Yards:

      1.   Front Yard: There shall be a front yard of not less than thirty feet (30') in depth; except that, in a cul-de-sac or on a curvilinear street, the lot width at the building line shall be one hundred fifty feet (150') as measured on an arc line from the center of the cul-de-sac or the center of the curvature of the street to the building line.

      2.   Side Yards: There shall be two (2) side yards, each of which shall be not less than thirty feet (30') wide.

      3.   Rear Yard: There shall be a rear yard of not less than thirty feet (30') in depth.

   D.   Building Height: Principal building height shall not exceed two and one- half (21/2) stories above a basement story or thirty five feet (35'), whichever is lower. Maximum accessory building heights shall be as stated in subsection 8-5-6B of this chapter. Building height may be modified as part of a special use review and approval process for a unified senior housing development that may require increases in the minimum yards or setbacks. See also section 8-5B-3, subsection F under “senior housing development, unified”, of this article.

   E.   Ground Floor Area: One-story dwellings shall have a total habitable ground floor area of not less than one thousand five hundred (1,500) square feet. Dwellings having more than one story shall have not less than one thousand two hundred (1,200) square feet of ground floor area. Ground floor area may be modified as part of a special use and approval process for a senior housing unit in a unified senior housing development.

   F.   Accessory Buildings: All accessory buildings except garages shall have the same side yard and rear yard requirements as are required for the principal building and shall not be closer to the front lot line than seventy-five feet (75'). Garages shall have the same side, rear and front yard requirements as the principal building. No attached garage shall exceed forty five percent (45%) of the square footage of the first floor of the principal residence. The total combined square footage of all accessory buildings shall not exceed seventy five percent (75%) of the square footage of the first floor of the principal building, including the area within an attached garage, except in cases where the lot coverage of the principal building and all accessory buildings and uses is less than fifteen percent (15%), in which case the seventy five percent (75%) limitation of the combined area of accessory buildings as a percentage of the square footage of the principal building shall not apply, and up to ten percent (10%) of the area of the lot may be covered by accessory buildings. For any accessory building receiving an exception to the seventy five percent (75%) of the square footage of the first floor of the principal building limit, the total combined square footage of all accessory buildings shall not exceed 2,000 square feet, except on an agriculture permitted use lot of ten (10) acres or greater, and any detached garage accessory building shall require an additional two (2) feet of setback for every 100 square feet over 1,000 square feet from any side yard which adjoins a street. Refer to section 8-5-7: MAXIMUM BUILDING AND IMPERVIOUS SURFACE COVERAGE for additional provisions on total lot coverage area limits. (Ord. 60-08, 4-27-1960; amd. Ord. 65-06, 10-23-1965; Ord. 66-03, 5-18-1966; Ord. 72-01, 4-26-1972; Ord. 76-02, 6-23-1976; Ord. 78-03, 2-16-1978; 1988 Code; Ord. 2007-O-15, 10-24-2007; Ord. 2013-O-14, 10-23-2013; Ord. 2014-O-03, 5-28-2014; Ord. 2023-O-12, 7-26-2023; Ord. 2025-O-01, 1-22-2025)

No building, structure or premises shall be used and no building or structure shall be hereafter erected or altered within any SR-1.5 District, except in conformity with the regulations established and set forth in this Article.

The only uses permitted are:

   A.   Single-family detached dwellings, one per lot.

   B.   Agriculture on a minimum of five (5) acres and subject to the restrictions for any SR-2 District as set forth in Article B of this Chapter.

   C.   Temporary buildings solely for construction purposes for a period not to exceed such construction.

   D.   Accessory uses.

   E.   Unilluminated "For Sale" and "To Rent" signs subject to the following:

      1.   There shall be not more than one sign per lot, except that on a corner lot two (2) signs, one facing each street, shall be permitted. No sign shall exceed twelve (12) square feet in area nor be closer than eight feet (8') to any other lot.

      2.   No sign shall project beyond the lot line as defined herein.

   F.   Private stable on lots 200,000 square or more, accessory to a residence.

   G.   Cemetery.

   H.   Special uses as hereinafter provided. (Ord. 81-04, 2-25-81; 1988 Code; Ord. 2022-O-17, 9-28-2022; Ord. 2025-O-01, 1-22-2025)

The following uses are permitted if and only if a permit is issued pursuant to Chapter 10 of this Title:

   A.   Public Uses:

      1.   Churches.

      2.   Schools.

      3.   Sanitary sewerage pumping facilities where required for local area services.

      4.   Water pump stations and reservoirs where required for local area services.

      5.   Electric substations where required for local area services. (Ord. 91-04, 6-26-91)

   B.   Cluster subdivision developments with individual residential lot requirements reduced in lot area, lot width and depth, and side, front and rear yards to the requirements set forth in the SR-1 District; provided, that the development shall meet the following standards:

      1.   The minimum area of the cluster subdivision development shall be twenty (20) acres;

      2.   The average density of all lots shall be not greater than one residential lot for each one and one-half (11/2) acres (65,340 square feet) in the total area cluster subdivision (including internal local streets and areas to be permanently dedicated to public or recreational uses);

      3.   The land is found to be physically and environmentally suitable for development under standards of the SR-1 District as identified in the village comprehensive plan (Ord. 91-02) and as established in special use hearings required for cluster subdivision approval 1 ;

      4.   If the area of any individual residential lots in the cluster subdivision (including internal local streets) is less than one and one-half (11/2) acres (65,340 square feet), the balance of the area in the subdivision which increases the average density to the minimum area requirements shall be dedicated or reserved to public or recreational uses which are found necessary or desirable to the community;

      5.   The use of the area devoted to public or recreational uses shall be permanently assured and control of such uses shall be retained by the village;

      6.   The entire cluster subdivision shall be subdivided and developed as one unit, unless each subunit shall meet all of the standards of a cluster subdivision independently of the others; and

      7.   A sketch plan and supporting documents as provided in section 9-2-2-1 of this code shall be submitted and approved and incorporated as a condition of the special use permit. (Ord. 81-04, 2-25-1981; amd. 1988 Code)

      8.   Such other and further conditions or requirements as the village authorities may set forth when permitting the development of a particular area as a cluster subdivision.

      9.   The developer of a cluster subdivision shall provide adequate provisions for the future maintenance and control of the open spaces, preservation areas, walkways and other facilities required by the village authorities to be established in areas dedicated or reserved to public or recreational uses. (Ord. 89-12, 7-26-1989)

   C.   Open space subdivision developments with individual residential lot requirements reduced in lot area; provided, that the development shall meet the following standards:

      1.   The minimum area of an open space subdivision development shall be one hundred (100) acres with not less than forty (40) acres preserved in perpetuity as public open space;

      2.   The total number of residential lots shall not exceed one lot per one and one-half (11/2) acres (65,340 square feet) of land within the tract, exclusive of internal roads and floodplains, if any; if the tract of land lies within both the SR-1.5 and SR-1 districts, the total number of residential lots shall not exceed the combined total of: a) one lot per one and one-half (11/2) acres (65,340 square feet), exclusive of internal roads and floodplains, if any, for that portion of the land lying in the SR-1.5 district, and b) one lot per forty thousand (40,000) square feet, exclusive of internal roads and floodplains, if any, for that portion of the land lying in the SR-1 district;

      3.   Each lot in the open space subdivision development shall meet the following minimum requirements:

         a.   One hundred thirty foot (130') width at building line;

         b.   One hundred seventy five foot (175') lot depth;

         c.   Thirty foot (30') minimum front yard;

         d.   Twenty foot (20') side yard, except where adjoining open space, in which even a fifteen foot (15') side yard shall be required, and except where adjoining a roadway in which even a thirty foot (30') side yard shall be required;

         e.   Forty foot (40') rear yard;

         f.   All accessory buildings, structures, patios and decks shall be within building setback lines;

         g.   Driveways and off street parking shall not be located closer than five feet (5') from any side or rear yard;

         h.   Total lot area of not less than twenty four thousand (24,000) square feet; (Ord. 91-10, 12-18-1991)

         i.   Not more than twenty percent (20%) of the area of a lot may be covered by principal buildings, and accessory buildings nor may more than six thousand five hundred (6,500) square feet of living space be constructed on any lot; provided, however, upon determination by the corporate authorities of the village that a particular lot is of sufficient size, configuration and location to allow living space in excess of six thousand five hundred (6,500) square feet, the corporate authorities may vary and increase said six thousand five hundred (6,500) square foot standard; provided that the total combined square footage of all accessory buildings shall not exceed seventy five percent (75%) of the square footage of the principal building including the area within an attached garage, except in cases where the lot coverage of the principal building and all accessory buildings and uses is less than fifteen percent (15%), in which case the seventy five percent (75%) limitation on the combined area of accessory buildings as a percentage of the square footage of the principal building shall not apply, and up to ten percent (10%) of the area of the lot may be covered by the combined area of all accessory buildings; provided further, however, no such variance shall be granted except upon submittal of specific plans and specifications, including landscaping and driveway location, for the particular lot in question, for approval thereof by the corporate authorities. For any accessory building receiving an exception to the seventy five percent (75%) of the square footage of the first floor of the principal building limit, the total combined square footage of all accessory buildings shall not exceed 2,000 square feet, except on an agriculture permitted use lot of five (5) acres or greater, and any detached garage accessory building shall require an additional two (2) feet of setback for every 100 square feet over 1,000 square feet from any side yard which adjoins a street. No attached garage shall exceed thirty three percent (33%) of the square footage of the principal residence. Any deviation from said plans, specifications, landscaping or driveway location as approved by the corporate authorities shall void any variance granted from said six thousand five hundred (6,500) square foot requirement. Refer to section 8-5-7: MAXIMUM BUILDING AND IMPERVIOUS SURFACE COVERAGE for additional provisions on total lot coverage area limits.

      4.   Each lot shall be serviced by sanitary and storm sewer, curb and gutter, and public or private water system;

      5.   Each lot in the open space subdivision development which adjoins an existing residential lot shall, when combined with the open space area lying between the open space lot and existing residential lot, contain not less than forty thousand (40,000) square feet;

      6.   The use of the area devoted to open space shall be permanently assured and control of such use shall be retained by the village;

      7.   The entire open space subdivision shall be subdivided and developed as one unit;

      8.   A sketch plan and supporting documents as provided in section 9-2-2-1 of this code shall be submitted and approved and incorporated as a condition of the special use permit;

      9.   Such other and further conditions or requirements as the village authorities may set forth when permitting the development of a particular area as an open space subdivision;

      10.   The developer of an open space subdivision shall make adequate provision for the future maintenance and control of the open space, preservation areas, walkways and other facilities required by the village authorities to be established in areas dedicated or reserved to public or recreational uses;

      11.   The tract of land is found by the corporate authorities of the village to be physically and environmentally suitable for the proposed development;

      12.   Unless a more strict standard is set forth in this subsection C, in which even the more strict standard shall apply, each lot shall also comply with the site and structure requirements set forth at section 8-5C-4 of this article. (Ord. 91-10, 12-18-1991; amd. Ord. 2007-O-15, 10-24-2007; Ord. 2023-O-12, 7-26-2023)

   A.   Lot Area, Frontage, Depth: Every lot, farm or other parcel of land shall have a minimum area of one and one-half (11/2) acres, a minimum lot frontage of one hundred thirty feet (130') and a minimum lot depth of one hundred seventy five feet (175') for all permitted uses; except that, the minimum lot frontage on a cul-de-sac shall be sixty five feet (65') and on a curvilinear street, shall be one hundred feet (100') at the front lot line.

   B.   Building Coverage And Impervious Surface Coverage: For lots of forty thousand (40,000) square feet or greater, maximum building coverage shall not exceed twenty percent (20%) of the lot area and maximum impervious surface coverage shall not exceed thirty percent (30%) of the lot area. For lots of less than forty thousand (40,000) square feet, the provisions of subsection 8-5-7D of this chapter shall apply. (Ord. 2013-O-14, 10-23-2013)

   C.   Yards:

      1.   Front Yard: There shall be a front yard of not less than thirty feet (30') in depth; except that, in a cul-de-sac or on a curvilinear street, the lot width at the building line shall be one hundred thirty feet (130') as measured on an arc line from the center of the cul-de-sac or the center of the curvature of the street to the building line.

      2.   Side Yard: There shall be two (2) side yards, each of which shall be not less than fifteen feet (15') wide and a side yard adjoining a street shall be not less than thirty feet (30') wide.

      3.   Rear Yard: There shall be a rear yard of not less than thirty feet (30') in depth.

   D.   Building Height: Principal building height shall not exceed two and one- half (21/2) stories above a basement story or thirty five feet (35'), whichever is lower. Maximum accessory building heights shall be as stated in subsection 8-5-6B of this chapter.

   E.   Ground Floor Area: One-story dwellings shall have a total habitable ground floor area of not less than one thousand five hundred (1,500) square feet. Dwellings having more than one story shall have not less than one thousand two hundred (1,200) square feet of ground floor area. (Ord. 81-04, 2-25-1981; amd. 1988 Code)

   F.   Accessory Buildings: All accessory buildings except garages shall have the same side yard and rear yard requirements as are required for the principal building and shall not be closer to the front lot line than seventy five feet (75'). Garages shall have the same side, rear and front yard requirements as the principal building. No attached garage shall exceed forty five percent (45%) of the square footage of the first floor of the principal residence. The total combined square footage of all accessory buildings shall not exceed seventy five percent (75%) of the square footage of the first floor of the principal building, including the area within an attached garage, except in cases where the lot coverage of the principal building and all accessory buildings and uses is less than fifteen percent (15%), in which case the seventy five percent (75%) limitation of the combined area of accessory buildings as a percentage of the square footage of the principal building shall not apply, and up to ten percent (10%) of the area of the lot may be covered by accessory buildings. For any accessory building receiving an exception to the seventy five percent (75%) of the square footage of the first floor of the principal building limit, the total combined square footage of all accessory buildings shall not exceed 2,000 square feet, except on an agriculture permitted use lot of five ten (10) acres or greater, and any detached garage accessory building shall require an additional two (2) feet of setback for every 100 square feet over 1,000 square feet from any side yard which adjoins a street. Refer to section 8-5-7: MAXIMUM BUILDING AND IMPERVIOUS SURFACE COVERAGE for additional provisions on total lot coverage area limits. (Ord. 81-04, 2-25-1981; amd. 1988 Code; Ord. 2013-O-14, 10-23-2013; Ord. 2023-O-12, 7-26-2023; Ord. 2025-O-01, 1-22-2025)

No building, structure or premises shall be used and no building or structure shall be erected or altered within any SR-1 District, unless otherwise provided for in this Title, except in conformity with the regulations established for any SR-2 District as set forth in Article B of this Chapter, and except as modified and superseded insofar as said regulations are in conflict with the regulations established and set forth in this Article. (Ord. 60-08, 4-27-60; amd. Ord. 65-06, 10-23-65; 1988 Code)

   A.   Lot Area, Frontage, Depth: Every lot, farm or other parcel of land shall have a minimum area of one acre, a minimum lot frontage of one hundred thirty feet (130'), and a minimum lot depth of one hundred seventy five feet (175') for all permitted uses; except that, the minimum lot frontage on a cul-de-sac shall be sixty five feet (65') and on a curvilinear street shall be one hundred feet (100') at the front lot line.

   B.   Yards:

      1.   Side Yards: There shall be two (2) side yards, each of which shall be not less than fifteen feet (15') wide and a side yard adjoining a street shall not be less than thirty feet (30') wide.

      2.   Rear Yard: There shall be a rear yard having a depth of not less than thirty feet (30').

   C.   Ground Floor Area: One-story dwellings shall have a total habitable ground floor area of not less than one thousand five hundred (1,500) square feet. Dwellings having more than one story shall have not less than one thousand two hundred (1,200) square feet of ground floor area.

   D.   Accessory Buildings: All accessory buildings except garages shall have the same side yard and rear yard requirements as are required for the principal building and shall not be closer to the front lot line than seventy five feet (75'). Garages shall have the same side, rear and front yard requirements as the principal building. No attached garage shall exceed forty-five percent (45%) of the square footage of the first floor of the principal residence. The total combined square footage of all accessory buildings shall not exceed seventy five percent (75%) of the square footage of the first floor of the principal building, including the area within an attached garage, except in cases where the lot coverage of the principal building and all accessory buildings and uses is less than fifteen percent (15%), in which case the seventy five percent (75%) limitation of the combined area of accessory buildings as a percentage of the square footage of the principal building shall not apply, and up to ten percent (10%) of the area of the lot may be covered by accessory buildings. For any accessory building receiving an exception to the seventy five percent (75%) of the square footage of the first floor of the principal building limit, the total combined square footage of all accessory buildings shall not exceed 2,000 square feet, except on an agriculture permitted use lot of ten (10) acres or greater, and any detached garage accessory building shall require an additional two (2) feet of setback for every 100 square feet over 1,000 square feet from any side yard which adjoins a street. Refer to section 8-5-7: MAXIMUM BUILDING AND IMPERVIOUS SURFACE COVERAGE for additional provisions on total lot coverage area limits. (Ord. 60-08, 4-27-60; amd. Ord. 65-06, 10-23-65; Ord. 72-06, 11-22-72; Ord. 78-03, 2-16-78; 1988 Code; Ord. 2025-O-01, 1-22-2025)

The following special uses are permitted if and only if approved pursuant to subsection 8-10-1-1B of this Title:

   A.   Open space subdivision developments with individual residential lot requirements reduced in lot area, provided that the development shall meet the following standards:

      1.   The minimum area of an open space subdivision development shall be one hundred (100) acres with not less than forty (40) acres preserved in perpetuity as public open space;

      2.   The total number of residential lots shall not exceed one lot per forty thousand (40,000) square feet of land within the tract, exclusive of internal roads and flood plain, if any; if the tract of land lies within both the SR-1 and SR-1.5 Districts, the total number of residential lots shall not exceed the combined total of, a) one lot per one and one-half (11/2) acres (65,340 square feet) exclusive of internal roads and flood plains, if any, for that portion of the land lying in the SR-1.5 District, and b) one lot per forty thousand (40,000) square feet, exclusive of internal roads and flood plain, if any, for that portion of the land lying in the SR-1 District;

      3.   Each lot in the open space subdivision development shall meet the following minimum requirements:

         a.   One hundred thirty foot (130') width at building line;

         b.   One hundred seventy five foot (175') lot depth;

         c.   Thirty foot (30') minimum front yard;

         d.   Twenty foot (20') side yard, except where adjoining open space, in which event a fifteen foot (15') side yard shall be required, and except where adjoining a roadway, in which event a thirty foot (30') side yard shall be required;

         e.   Forty foot (40') rear yard;

         f.   All accessory buildings, structures, patios and decks shall be within building setback lines;

         g.   Driveways and off street parking shall not be located closer than five feet (5') from any side or rear yard;

         h.   Total lot area of not less than twenty four thousand (24,000) square feet;

      4.   Each lot shall be serviced by sanitary and storm sewer, curb and gutter, and public or private water system;

      5.   Each lot in the open space subdivision development which adjoins an existing residential lot shall, when combined with the open space area lying between the open space lot and existing residential lot, contain no less than forty thousand (40,000) square feet;

      6.   The use of the area devoted to open space shall be permanently assured and control of such use shall be retained by the village;

      7.   The entire open space subdivision shall be subdivided and developed as one unit;

      8.   A sketch plan and supporting documents as provided in section 9-2-2-1 of this code shall be submitted and approved and incorporated as a condition of the special use permit;

      9.   Such other and further conditions or requirements as the village authorities may set forth when permitting the development of a particular area as an open space subdivision;

      10.   The developer of an open space subdivision shall make adequate provision for the future maintenance and control of the open space, preservation areas, walkways and other facilities required by the village authorities to be established in areas dedicated or reserved to public or recreational uses;

      11.   The tract of land is found by the corporate authorities of the village to be physically and environmentally suitable for the proposed development;

      12.   Unless a more strict standard is set forth in this subsection A, in which event the more strict standard shall apply, each lot shall also comply with the site and structure requirements set forth at section 8-5C-4 of this chapter.

   B.   Cluster open space subdivision developments, which shall be restricted to property located in close proximity to land zoned for intensive industrial use and adjacent to a golf course, and with individual residential lot requirements reduced in lot area; provided, that the development shall meet the following standards:

      1.   Density: The maximum number of houses permitted shall not exceed one dwelling per acre (43,560 square feet) of gross site area. The gross site area shall not include any perimeter street rights of way or any floodplain land.

      2.   Unit Types: Only detached single-family dwelling units shall be permitted.

      3.   Unit Sizes: The minimum size house shall be one thousand five hundred (1,500) square feet and the maximum permitted size shall be three thousand five hundred (3,500) square feet of habitable floor area.

      4.   Accessory Uses: Not more than twenty percent (20%) of the area of a lot may be covered by principal buildings, and accessory buildings nor may more than six thousand five hundred (6,500) square feet of living space be constructed on any lot; provided, however, upon determination by the corporate authorities of the village that a particular lot is of sufficient size, configuration and location to allow living space in excess of six thousand five hundred (6,500) square feet, the corporate authorities may vary and increase said six thousand five hundred (6,500) square foot standard, provided that the total combined square footage of all accessory buildings shall not exceed seventy five percent (75%) of the square footage of the principal building, including the area within an attached garage, except in cases where the lot coverage of the principal building and all accessory buildings and uses is less than fifteen percent (15%), in which case the seventy five percent (75%) limitation on the combined area of accessory buildings as a percentage of the square footage of the principal building shall not apply, and up to ten percent (10%) of the area of the lot may be covered by the combined area of all accessory buildings; provided further, however, no such variance shall be granted except upon submittal of specific plans and specifications, including landscaping and driveway location, for the particular lot in question, for approval thereof by the corporate authorities. For any accessory building receiving an exception to the seventy five percent (75%) of the square footage of the first floor of the principal building limit, the total combined square footage of all accessory buildings shall not exceed 2,000 square feet, except on an agriculture permitted use lot of five (5) acres or greater, and any detached garage accessory building shall require an additional two (2) feet of setback for every 100 square feet over 1,000 square feet from any side yard which adjoins a street. No attached garage shall exceed thirty three percent (33%) of the square footage of the principal building. Any deviation from said plans, specifications, landscaping or driveway location as approved by the corporate authorities shall void any variance granted from said six thousand five hundred (6,500) square foot requirement. Refer to section 8-5-7: MAXIMUM BUILDING AND IMPERVIOUS SURFACE COVERAGE for additional provisions on total lot coverage area limits.

      5.   Open Space: The minimum area of permanent open space within a cluster open space subdivision shall not be less than sixty percent (60%) of the gross site area of the subdivision.

      6.   Buildable Area On A Lot: The minimum buildable area on a lot measured within the setback lines of the lot shall not be less than four thousand six hundred seventy five (4,675) square feet and not less than fifty five feet (55') in any dimension. All structures on a lot shall be within the buildable area and no accessory structures, patios, decks, etc., are permitted outside the buildable area.

      7.   Minimum Lot Area: The minimum area of a lot shall not be less than ten thousand six hundred fifty (10,650) square feet.

      8.   Minimum Lot Frontage: The minimum width of a lot shall be eighty five feet (85') measured at the minimum front setback line.

      9.   Setbacks: The following minimum setbacks shall define the buildable area of any lot:

         a.   Front or side abutting any cul-de-sac street: Thirty feet (30') from edge of pavement.

         b.   Front or side abutting any through street: Thirty feet (30') from property line.

         c.   Side: Fifteen feet (15').

         d.   Rear: Thirty feet (30').

      10.   Separation (Buffer) Standards:

         a.   Separation between the rear to rear, or the side to rear buildable areas on adjoining lots shall not be less than seventy five feet (75'). This separation may include land which is permanent open space.

         b.   Landscape buffer yard separation between any lot line and any golf course property line shall be permanent open space not less than forty five feet (45') in width. Such buffer areas shall be densely landscaped to provide privacy between the residents of the subdivision and players on any adjoining golf course.

      11.   Driveways: Driveways shall not be closer than five feet (5') from any side lot line.

      12.   Minimum Subdivision Size: The minimum area of any cluster open space subdivision shall be fifty (50) acres.

      13.   Plans: A sketch plan or preliminary site plan and supporting documents shall be submitted and approved and incorporated as a condition of the special use permit.

      14.   Phasing: The entire cluster open space subdivision shall only be subdivided and developed as one phase of one unit of subdivision. Phased or staged subdivisions shall not be permitted.

      15.   Utilities: A cluster open space subdivision shall be serviced by sanitary and storm sewer, curb and gutter, and public potable water.

      16.   Site Planning Standards: All lots within a cluster open space subdivision shall front on cul-de-sac streets and a maximum of ten (10) lots only shall be permitted per cul-de- sac.

      17.   Other Conditions: Such other and further conditions or requirements as the village authorities may set forth when permitting the development of a particular cluster open space subdivision shall be incorporated as a condition of the special use permit.

   C.   Transitional cluster subdivision developments, which shall be restricted to vacant property which provides for a transition between existing conventionally subdivided SR-1 property and existing subdivided or developed nonresidential property, and with individual residential lot requirements reduced in lot area; provided, that the development shall meet the following standards:

      1.   Density: The maximum number of houses permitted shall not exceed one dwelling per acre (43,560 square feet) of gross site area. The gross site area shall not include any perimeter street rights of way or any floodplain land.

      2.   Unit Types: Only detached single-family dwelling units shall be permitted.

      3.   Unit Sizes: The minimum size house shall be two thousand three hundred (2,300) square feet of habitable floor area.

      4.   Accessory Uses: Not more than twenty percent (20%) of the area of a lot may be covered by principal buildings and accessory buildings nor may more than six thousand five hundred (6,500) square feet of living space be constructed on any lot; provided, however, upon determination by the corporate authorities of the village that a particular lot is of sufficient size, configuration and location to allow living space in excess of six thousand five hundred (6,500) square feet, the corporate authorities may vary and increase said six thousand five hundred (6,500) square foot standard, provided that the total combined square footage of all accessory buildings shall not exceed seventy five percent (75%) of the square footage of the principal building, including the area within an attached garage, except in cases where the lot coverage of the principal building and all accessory buildings and uses is less than fifteen percent (15%), in which case the seventy five percent (75%) limitation on the combined area of accessory buildings as a percentage of the square footage of the principal building shall not apply, and up to ten percent (10%) of the area of the lot may be covered by the combined area of all accessory buildings; provided further, however, no such variance shall be granted except upon submittal of specific plans and specifications, including landscaping and driveway location, for the particular lot in question, for approval thereof by the corporate authorities. For any accessory building receiving an exception to the seventy five percent (75%) of the square footage of the first floor of the principal building limit, the total combined square footage of all accessory buildings shall not exceed 2,000 square feet, except on an agriculture permitted use lot of five (5) acres or greater, and any detached garage accessory building shall require an additional two (2) feet of setback for every 100 square feet over 1,000 square feet from any side yard which adjoins a street. No attached garage shall exceed thirty three percent (33%) of the square footage of the principal building. Any deviation from said plans, specifications, landscaping or driveway location as approved by the corporate authorities shall void any variance granted from said six thousand five hundred (6,500) square foot requirement. Refer to section 8-5-7: MAXIMUM BUILDING AND IMPERVIOUS SURFACE COVERAGE for additional provisions on total lot coverage area limits.

      5.   Open Space: The minimum area of "permanent open space" within a cluster open space subdivision shall not be less than forty percent (40%) of the gross site area of the subdivision.

      6.   Buildable Area On A Lot:

         a.   The minimum buildable area on a lot measured within the setback lines of the lot shall not be less than six thousand (6,000) square feet. No lot shall have a building area boundary dimension of less than fifty feet (50') and the combined dimension of any two (2) contiguous rectangular building area boundaries shall be not less than one hundred thirty feet (130'). All structures on a lot shall be within the buildable area and no accessory structures, patios, decks, etc., are permitted outside the buildable area. (Ord. 95-01, 2-1-1995)

         b.   On lakefront lots, decks or piers are permitted within the rear yard setback area between the side yard setback lines extended only if located on an easement provided for that purpose and which easement shall not be more than twenty feet (20') beyond the rear setback line or ten feet (10') beyond the high water line of the lake, whichever is greater. All decks and piers shall conform to state and village standards.

      7.   Minimum Lot Area: The minimum area of a lot shall not be less than fourteen thousand six hundred (14,600) square feet.

      8.   Minimum Lot Frontage: The minimum width of a lot shall be one hundred feet (100') measured at the minimum front setback line.

      9.   Setbacks: The following minimum setbacks shall define the buildable area of any lot:

         a.   Front or side abutting any cul-de-sac street: Thirty feet (30') from edge of pavement; (Ord. 93-30, 11-3-1993)

         b.   Front or side abutting any through street: Thirty feet (30') from property line or sixty feet (60') from the centerline of the street, whichever is greater; (Ord. 95-01, 2-1-1995)

         c.   Side: Fifteen feet (15');

         d.   Rear: Thirty feet (30'). (Ord. 93-30, 11-3-1993)

      10.   Landscaped Buffer Easement: A permanent thirty foot (30') wide landscaped buffer easement area shall be established along all property lines which are contiguous with any lot line of any adjoining residential subdivision, highway or railroad. Such easements shall be considered permanent open space and shall be maintained by the developer or a homeowners' association. Such buffer areas shall be densely landscaped to provide privacy for the subdivision and of the adjoining subdivision. (Ord. 95-01, 2-1-1995)

      11.   Driveways: Driveways shall not be closer than five feet (5') from any side lot line or landscaped buffer easement.

      12.   Minimum Subdivision Size: The minimum area of any transitional cluster subdivision shall be twenty five (25) acres.

      13.   Plans: A sketch plan or preliminary site plan and supporting documents shall be submitted and approved and incorporated as a condition of the special use permit.

      14.   Phasing: The preliminary plat and preliminary engineering plans for a transitional cluster subdivision shall only be accepted for review and approval for the entire subdivision. The staged recording of final plat phases shall only be permitted for those parts of the subdivision with no interconnecting or interdependent roadway, pedestrian circulation, drainage or utility improvements.

      15.   Utilities: A cluster open space subdivision shall be serviced by public potable water if available, sanitary and storm sewer, and curb and gutter. (Ord. 93-30, 11-3-1993)

      16.   Site Planning Standards: All open space areas within the subdivision within a transitional cluster subdivision shall be accessible from either a public pedestrian trail or a public street or right of way. The public pedestrian trail system shall provide access to adjoining residential subdivisions. Sidewalks on an internal local public street right of way may be part of the pedestrian trail system. (Ord. 95-01, 2-1-1995)

      17.   Other Conditions: Such other and further conditions or requirements as the village authorities may set forth when permitting the development of a particular cluster open space subdivision shall be incorporated as a condition of the special use permit. (Ord. 93-30, 11-3-1993)

      18.   Density Bonus: Notwithstanding the provisions of the foregoing subsections, the maximum number of residential lots permitted may be increased by the board of trustees under the following conditions and pursuant to the findings set forth:

         a.   When the proposed development involves a change in zoning classification from a nonresidential use, it must contain the following bonus features:

            (1)   A sixty percent (60%) reduction in the requirements for sanitary sewer and potable water services from that required to serve the nonresidential use of the property.

            (2)   A ninety percent (90%) reduction in projected average daily trips (ADT) of site generated traffic from that projected for the nonresidential use of the property.

         b.   All proposed developments must contain all of the following bonus features:

            (1)   Designation of not less than forty percent (40%) of the gross project area as permanent open space by conveyance or easement as the village may require.

            (2)   Enhanced improvements which are in addition to the requirements of the village but which are the maintenance responsibility of the developer or a homeowners' association with adequate enforcement provisions, such as:

               (A)   Sidewalks or trails.

               (B)   Streetlights.

               (C)   Extensive landscaping and/or berming to screen the development from adjoining subdivision, highways and railroads.

            (3)   Enhanced potential assessed valuation for school and general tax purposes by assuring that residence construction will be of high quality and that habitable floor area shall be a minimum of two thousand three hundred (2,300) square feet per dwelling unit.

            (4)   Parkway landscaping which shall meet the following standards:

               (A)   Plans and specifications for required street/parkway landscaping shall be submitted as part of the final engineering plans for the subdivision.

               (B)   The street frontage of the lots shall be planted with native trees and shrubbery. The plant material shall not be planted in a row along the street, but clustered and randomly spaced on the thirty feet (30') of street frontage setback area.

               (C)   The minimum number of trees shall be one 21/2-inch tree per fifty feet (50') of street frontage on each side, and four (4) 4-foot shrubs per fifty feet (50') of street frontage on each side.

               (D)   With appropriate guarantees by the developer, the actual planting of the trees and shrubbery may be deferred until the time a building permit is issued.

         c.   The corporate authorities of the village must determine that the benefits of the proposed development containing the reduction in sanitary sewer and potable water services, reduction in projected average daily traffic, open space, enhanced improvements, and enhanced assessed valuation, merit consideration of a bonus density for the development.

         d.   The corporate authorities shall determine the number of additional single-family dwellings that shall be granted in consideration of the benefits proposed, provided that the maximum number of single-family dwellings permitted shall not exceed one hundred fifteen percent (115%) of the number otherwise permitted in subsection C1 of this section. (Ord. 95-01, 2-1-1995)

   D.   Bonus cluster subdivision developments with individual residential lot requirements reduced in lot area; provided, that the development shall meet the following standards:

      1.   Density: The maximum number of single-family dwellings permitted shall not exceed one dwelling per acre (43,560 square feet) of gross site area, including perimeter street rights of way and regulatory wetlands, but excluding any floodplain land.

      2.   Density Bonus: Notwithstanding the provisions of subsection D1 of this section, the maximum number of dwellings permitted may be increased by the board of trustees under the following conditions and pursuant to the findings set forth:

         a.   The specific proposed development must contain all of the following bonus features:

            (1)   Facilities designed to alleviate existing flood control problems beyond the normal stormwater detention requirements of the village ordinances.

            (2)   Designation of not less than twenty five percent (25%) of the gross project area as permanent open space by conveyance or easement as the village may require.

            (3)   Enhanced improvements which are in addition to the requirements of the village but which are the maintenance responsibility of the developer or a homeowners' association with adequate enforcement provisions, such as:

               (A) Sidewalks.

               (B) Streetlights.

               (C) Extensive landscaping and/or berming to screen the development from adjoining subdivision and collector streets.

               (D) Limited access to collector streets.

               (E) Routing of public improvements to aid the village in extending utilities to adjacent areas.

            (4)   Enhanced potential assessed valuations for school and general tax purposes by assuring that residence construction will be of high quality and that habitable floor areas shall exceed two thousand eight hundred fifty (2,850) square feet.

         b.   The corporate authorities of the village must determine that the benefits of the proposed development containing the stormwater control facilities, open space, enhanced improvements, and enhanced assessed valuations, merit consideration of a bonus density for the development.

         c.   The corporate authorities shall determine the number of additional single-family dwellings that shall be granted in consideration of the benefits proposed; provided, that the maximum number of single-family dwellings permitted shall not exceed one hundred fifteen percent (115%) of the number otherwise permitted in subsection D1 of this section relating to bonus cluster subdivisions.

      3.   Additional Criteria: Every bonus cluster subdivision development shall meet all of the following criteria in addition to the bonus features which entitle the development to added units:

         a.   Unit Type: Only detached single-family units shall be permitted. (Ord. 94-07, 5-25-1994)

         b.   Accessory Uses: Not more than twenty percent (20%) of the area of a lot may be covered by principal buildings, and accessory buildings nor may more than six thousand five hundred (6,500) square feet of living space be constructed on any lot; provided, however, upon determination by the corporate authorities of the village that a particular lot is of sufficient size, configuration and location to allow living space in excess of six thousand five hundred (6,500) square feet, the corporate authorities may vary and increase said six thousand five hundred (6,500) square foot standard, provided that the total combined square footage of all accessory buildings shall not exceed seventy five percent (75%) of the square footage of the principal building, including the area within an attached garage, except in cases where the lot coverage of the principal building and all accessory buildings and uses is less than fifteen percent (15%), in which case the seventy five percent (75%) limitation on the combined area of accessory buildings as a percentage of the square footage of the principal building shall not apply, and up to ten percent (10%) of the area of the lot may be covered by the combined area of all accessory buildings; provided further, however, no such variance shall be granted except upon submittal of specific plans and specifications, including landscaping and driveway location, for the particular lot in question, for approval thereof by the corporate authorities. For any accessory building receiving an exception to the seventy five percent (75%) of the square footage of the first floor of the principal building limit, the total combined square footage of all accessory buildings shall not exceed 2,000 square feet, except on an agriculture permitted use lot of five (5) acres or greater, and any detached garage accessory building shall require an additional two (2) feet of setback for every 100 square feet over 1,000 square feet from any side yard which adjoins a street. No attached garage shall exceed thirty three percent (33%) of the square footage of the principal building. Any deviation from said plans, specifications, landscaping or driveway location as approved by the corporate authorities shall void any variance granted from said six thousand five hundred (6,500) square foot requirement. Refer to section 8-5-7: MAXIMUM BUILDING AND IMPERVIOUS SURFACE COVERAGE for additional provisions on total lot coverage area limits.

         c.   Open Space: Permanent open space shall consist of granted open space, detention easements and landscape buffer easements, all of which shall be maintained by the developer or a homeowners' association, unless otherwise determined by the village.

         d.   Buildable Area On A Lot: The minimum buildable area on a lot measured within the setback lines of the lot shall not be less than six thousand (6,000) square feet and not less than seventy feet (70') in any dimension. All structures on a lot shall be within the buildable area and no accessory structures, patios, decks, etc., are permitted outside the buildable area.

         e.   Unit Sizes: The minimum size single-family dwelling shall be two thousand eight hundred fifty (2,850) square feet of habitable area or such larger area as may be agreed upon by the developer in seeking a density bonus.

         f.   Minimum Lot Area And Frontage: Notwithstanding the bonus density granted, the minimum area of a lot shall not be less than twenty one thousand four hundred (21,400) square feet and the minimum width of a lot shall be one hundred feet (100') measured at the minimum front yard setback line.

         g.   Setbacks: The following minimum setbacks shall define the buildable area of any lot:

            (1)   Front or side abutting any internal local street: Thirty feet (30') from property line.

            (2)   Front, side or rear abutting any collector or arterial street: Forty feet (40') from property line.

            (3)   Side: Fifteen feet (15') from property line or from stormwater detention easement line.

            (4)   Rear: Thirty feet (30') from property line or from stormwater detention easement.

         h.   Landscaped Buffer Easement:

            (1)   A permanent thirty foot (30') wide landscaped buffer easement area shall be established along all property lines which are contiguous with any lot line of any adjoining residential subdivision, and shall be densely landscaped or screened to provide privacy for the benefit of the residents of the adjoining subdivision.

            (2)   A permanent forty foot (40') wide landscaped berm and buffer easement shall be established along all property lines which abut any collector or arterial roadway.

            (3)   All such buffer easements shall be established as open space and maintained by the developer or a homeowners' association.

         i.   Driveways: Driveways shall not be permitted closer than five feet (5') from any side property line or easement line.

         j.   Minimum Subdivision Size: The minimum gross area of any bonus cluster subdivision shall be thirty five (35) acres.

         k.   Plans: A sketch plan or preliminary site plan and supporting documents shall be submitted and approved and incorporated as a condition of the special use permit.

         l.   Phasing: The preliminary plat, engineering plans, and final plat shall only be accepted for review and approval for the entire subdivision. No phasing shall be allowed.

         m.   Utilities: A bonus cluster subdivision shall be serviced by public potable water supply, sanitary sewage system, and storm sewer system with curb and gutter street drainage in addition to any enhancements provided to obtain density bonus.

         n.   Trail Systems: All lots shall have pedestrian access to common open space areas within the subdivision, and shall have access to a pedestrian trail system which connects to all adjoining residential subdivisions. Sidewalks on a public street right of way along one side of an internal local street may be part of such pedestrian trail system.

         o.   Parkway Landscaping Standards: Bonus cluster subdivisions shall meet the following standards:

            (1)   Plans and specifications for required street/parkway landscaping shall be submitted as part of the final engineering plans for the subdivision.

            (2)   The street frontage of the lots shall be planted with native trees and shrubbery. The plant material shall not be planted in a row along the street, but clustered and randomly spaced on the thirty foot (30') street frontage setback area.

            (3)   The minimum number of trees shall be one 21/2-inch caliper tree per fifty feet (50') of street frontage and four (4) 4-foot shrubs per fifty feet (50') of street frontage.

            (4)   With appropriate guarantees by the developer, the actual planting of the trees and shrubbery may be deferred until the time a building permit is issued.

         p.   Other Conditions: Such other and further conditions or requirements as the village authorities may set forth when permitting the development of a specific bonus cluster subdivision as may be appropriate to assure that the subdivision meets the intent and purpose of this special use. (Ord. 94-07, 5-25-1994)

   E.   Infill cluster subdivision development with individual residential lot requirements reduced in lot area, provided that the development shall meet the following standards:

      1.   Density: The maximum number of single-family dwellings permitted shall not exceed one dwelling per acre (43,560 square feet) of gross site area.

      2.   Unit Types: Only detached single-family dwelling units shall be permitted.

      3.   Unit Sizes: The minimum size house shall be two thousand six hundred (2,600) square feet of habitable floor area.

      4.   Lot Coverage For Principal And Accessory Buildings: Refer to section 8-5-2, table 1 of this chapter and to section 8-5-7: MAXIMUM BUILDING AND IMPERVIOUS SURFACE COVERAGE for additional provisions on total lot coverage area limits.

      5.   Open Space: The minimum area of "permanent open space" within the infill cluster subdivision, including stormwater detention basin shall not be less than ten percent (10%) of the gross site area.

      6.   Buildable Area On A Lot:

         a.   The minimum buildable area on a lot measured within the setback lines of the lot and as designated on the plat of subdivision shall not be less than six thousand (6,000) square feet. No lot shall have a building area boundary dimension of less than fifty feet (50') and the combined dimension of any two (2) contiguous building area boundaries shall not be less than one hundred thirty feet (130'). All structures on a lot shall be within the buildable area and no accessory structures, patios, decks, etc., are permitted outside the buildable area.

         b.   On lots adjacent to stormwater detention facilities decks are permitted within the rear yard setback area between the side yard setback lines extended only if located on an easement provided for that purpose and which easement shall not be more than twenty feet (20') beyond the rear yard setback line or ten feet (10') beyond the high water line of the detention basin or detention discharge channel, whichever is greater. All decks shall conform to state and village standards.

      7.   Minimum Lot Area: The minimum area of a lot shall not be less than thirty six thousand (36,000) square feet.

      8.   Minimum Lot Frontage: The minimum lot frontage shall be one hundred thirty feet (130') on a curvilinear street frontage and sixty five feet (65') on a cul-de-sac street frontage.

      9.   Setbacks: The following minimum setbacks shall define the buildable area of any lot:

         a.   Front or side abutting any street: Thirty feet (30') from the edge of the lot line abutting the street.

         b.   Side: Fifteen feet (15').

         c.   Rear: Thirty feet (30'), if not abutting an adjacent residential subdivision.

         d.   Rear: Sixty feet (60') if abutting an adjacent residential subdivision.

      10.   Landscape Buffer Easement: A permanent twenty foot (20') wide landscaped buffer easement area shall be established along all property lines which are contiguous with any adjoining a highway. Such easements shall be considered permanent open space and shall be maintained by the developer or homeowners abutting the easement. Such buffer area shall include landscaping to provide a visual buffer between the abutting properties and the highway, except for along residential properties where the home that is on that residential property was constructed before the development of the infill cluster subdivision and where the home will continue to remain as part of the special use infill cluster subdivision. At a minimum, the landscaping along this area shall include a mix of deciduous canopy and ornamental trees, and evergreen trees as well as staggered rows of deciduous and evergreen shrubs that are initially planted at a minimum height of thirty six inches (36"), and a specific landscape plan shall be submitted at the time of the application for the special use for review and recommendations by the plan commission for approval by the village board.

      11.   Driveways: Driveways shall not be closer than ten feet (10') from any side lot line or landscaped buffer easement.

      12.   Minimum And Maximum Subdivision Size: The minimum area of any infill cluster subdivision shall be seven (7) acres, and the maximum area of any infill cluster subdivision shall be fifteen (15) acres.

      13.   Plans: A sketch plan or preliminary site plan and supporting documents shall be submitted and approved and incorporated as a condition of the special use permit.

      14.   Phasing: The preliminary plat and preliminary engineering plans for an infill cluster subdivision shall only be accepted for review and approval for the entire subdivision. Staged recording of the final plat shall not be permitted.

      15.   Utilities: An infill cluster subdivision shall be serviced by public potable water, sanitary sewer and storm sewer and curb and gutter.

      16.   Site Planning Standards: All open space areas within the subdivision shall be accessible from either a public pedestrian trail or a public street right of way except the street parkway shall provide access to adjoining residential subdivision.

      17.   Tree Preservation: All trees over eight inches (8") in diameter measured at breast height on the residential lots after completion of the subdivision mass grading, roadway, and utility improvements are designated as protected trees and will be designated on the subdivision plat. Removal of any protected tree shall be permitted by the village authorities and replaced with trees totaling a minimum of one-half (1/2) the total diameter of the tree or trees being removed within the residential lot. A landscaping plan must be submitted and approved prior to removal of any tree or trees on a residential lot including trees that are damaged or diseased.

      18.   Other Conditions: Such other and further conditions or requirements as the village authorities may set forth when permitting the development of a particular infill cluster subdivision shall be incorporated as a condition of the special use permit.

      19.   Parkway Landscaping Standards: Infill cluster subdivisions shall meet the following standards:

         a.   Plans and specifications for required street/parkway/cul-de-sac landscaping shall be submitted as part of the final engineering plans for the subdivision.

         b.   The street frontage of lots shall be planted with native trees and shrubbery. Plant material shall not be planted in a row along the street, but clustered and randomly spaced on the thirty foot (30') street frontage setback area.

         c.   The minimum number of trees shall be one 21/2-inch caliper tree per fifty feet (50') on average of street frontage and four (4) shrubs per fifty feet (50') on average of street frontage except at preexisting residential buildings.

         d.   With appropriate guarantees by the developer, the actual planting of trees and shrubbery may be deferred until final landscaping is completed for each individual lot. (Ord. 91-10, 12-18-1991; amd. Ord. 93-01, 1-27-1993; Ord. 93-30, 11-3-1993; Ord. 94-07, 5-25-1994; Ord. 2007-O-15, 10-24-2007; Ord. 2015-O-08, 5-27-2015; Ord. 2023-O-12, 7-26-2023)

No building, structure or premises shall be used and no building or structure shall be hereafter erected or altered within any SR-1A District, unless otherwise provided for in this Title, except in conformity with the regulations established for any SR-2 District as set forth in Article B of this Chapter and SR-1 District as set forth in Article D of this Chapter and except as modified and superseded insofar as said regulations are in conflict with the regulations established and set forth in this Article.

   A.   Lot Area, Width: Every lot, farm or other parcel of land shall have a minimum area of one acre and a width at the building line of at least one hundred thirty feet (130'); except that, the minimum lot frontage on a cul-de-sac shall be sixty five feet (65') and on a curvilinear street shall be one hundred feet (100') at the front lot line.

   B.   Yards:

      1.   Front Yard: There shall be a front yard having a depth of not less than thirty feet (30'); except that, in a cul-de-sac or on a curvilinear street, the lot width at the building line shall be one hundred thirty feet (130') as measured on an arc line from the center of the cul-de-sac or center of the curvature of the street to the building line.

      2.   There shall be two (2) side yards, each of which shall be not less than thirteen feet (13') wide and a side yard adjoining a street shall not be less than thirty feet (30') wide.

      3.   There shall be a rear yard having a depth of not less than thirty feet (30').

   C.   Ground Floor Area: One-story dwellings shall have a total habitable ground floor area of not less than one thousand five hundred (1,500) square feet. Dwellings having more than one story shall have not less than one thousand (1,000) square feet of ground floor area.

   D.   Accessory Buildings: All accessory buildings except garages shall have the same side yard and rear yard requirements as are required for the principal building and shall not be closer to the front lot line than seventy five feet (75'). Garages shall have the same side, rear and front yard requirements and shall be attached to the principal building. No attached garage shall exceed forty five percent (45%) of the square footage of the first floor of the principal residence. The total combined square footage of all accessory buildings shall not exceed seventy five percent (75%) of the square footage of the first floor of the principal building, including the area within an attached garage, except in cases where the lot coverage of the principal building and all accessory buildings and uses is less than fifteen percent (15%), in which case the seventy five percent (75%) limitation of the combined area of accessory buildings as a percentage of the square footage of the principal building shall not apply, and up to ten percent (10%) of the area of the lot may be covered by accessory buildings. For any accessory building receiving an exception to the seventy five percent (75%) of the square footage of the first floor of the principal building limit, the total combined square footage of all accessory buildings shall not exceed 2,000 square feet, except on an agriculture permitted use lot of ten (10) acres or greater, and any detached garage accessory building shall require an additional two (2) feet of setback for every 100 square feet over 1,000 square feet from any side yard which adjoins a street. Refer to section 8-5-7: MAXIMUM BUILDING AND IMPERVIOUS SURFACE COVERAGE for additional provisions on total lot coverage area limits. (Ord. 60-08, 4-27-60; amd. Ord. 65-06, 10-23-65; Ord. 72-06, 11-22-72; Ord. 76-02, 6-23-76; Ord. 78-03, 2-16-78; 1988 Code; Ord. 2023-O-12, 7-26-2023; Ord. 2025-O-01, 1-22-2025)