The R1 Single-Family Detached Residential District is intended to provide for existing low-density areas in which the principal use of land is for single-family dwellings and related uses. The permitted uses, lot areas, setbacks and other requirements are designed to encourage quality residential areas in existing portions of the city consistent with contemporary standards.

(Code 2012, § 17.18.005; Ord. No. 3457, § 2(part), 2-2-2004)

Permitted uses in the R1 Single-Family Detached Residential District shall be:

(1)

Single-family detached dwellings;

(2)

Manufactured homes;

(3)

Day care homes;

(4)

Group homes (small);

(5)

Temporary buildings for construction purposes for a period not to exceed such construction;

(6)

Public land, including parks, playgrounds, forest preserves and recreational areas;

(7)

Accessory uses as set forth in sections 48-103 through 48-109.

(Code 2012, § 17.18.010; Ord. No. 3457, § 2(part), 2-2-2004; Ord. No. 3976, § 3, 7-1-2013)

Conditionally permitted uses in the R1 Single-Family Detached Residential District shall be:

(1)

Athletic fields;

(2)

Bed and breakfasts;

(3)

Cemeteries, and mausoleums, on a lot not less than ten acres in area and provided no building shall be located less than 300 feet from a lot line;

(4)

Colleges, universities and accessory uses including dormitories;

(5)

Community and recreation centers;

(6)

Convents, monasteries, rectories, or parsonages;

(7)

Churches, temples or synagogues;

(8)

Day care center or nursing homes on a lot not less than one acre in area;

(9)

Golf courses, standard; but not including par 3 golf courses, commercially-operated driving ranges, or miniature golf courses; and, provided that no clubhouse or accessory building shall be located less than 200 feet from a lot line;

(10)

Hospitals;

(11)

Libraries;

(12)

Planned developments;

(13)

Private landing strips;

(14)

Private recreational areas or camps, when not operated for profit, on a lot not less than five acres in area, and provided no building or structure shall be located less than 200 feet from a lot line;

(15)

Public utility and governmental service uses on lots having areas, widths, yards and other conditions as approved by the city council which includes the following:

a.

Filtration plants, pumping stations, water reservoirs and wells;

b.

Gas regulator stations;

c.

Police and fire stations;

d.

Railroad rights-of-way and passenger stations but not including classification yards, terminal facilities or maintenance facilities;

e.

Sewage treatment plant;

f.

Microwave relay towers;

g.

Other governmental and utility service uses;

(16)

Schools, boarding or nonboarding, elementary, junior high or high school;

(17)

Seminaries, convents, monasteries and similar religious institutions on a lot not less than five acres in area and provided no building or structure shall be located less than 100 feet from a lot line;

(18)

Medical and dental clinics located on real property immediately adjacent to or within 250 feet of a hospital;

(19)

Transitional shelters.

(Code 2012, § 17.18.020; Ord. No. 3457, § 2(part), 2-2-2004; Ord. No. 3614, § 2, 4-17-2006; Ord. No. 3976, § 4, 7-1-2013)

Lot area requirements for the R1 district shall be:

(1)

Single-family detached dwellings, not less than 9,600 square feet;

(2)

Conditional uses, not less than 40,000 square feet unless otherwise specified.

(Code 2012, § 17.18.030; Ord. No. 3457, § 2(part), 2-2-2004)

Lot width requirements for the R1 district shall be:

(1)

Single-family detached dwellings, not less than 80 feet at the established building setback line;

(2)

Conditional uses, not less than 140 feet at the established building setback line.

(Code 2012, § 17.18.040; Ord. No. 3457, § 2(part), 2-2-2004)

Building height requirements for the R1 district shall be:

(1)

The maximum building height for all residential uses shall be 35 feet;

(2)

The maximum building height to nonresidential uses shall be determined in the ordinance granting approval of the conditionally permitted use.

(Code 2012, § 17.18.050; Ord. No. 3457, § 2(part), 2-2-2004)

Ground floor area per dwelling in the R1 district on all residential structures shall be 1,000 square feet. Ground floor area shall be measured from the outside of the exterior walls.

(Code 2012, § 17.18.060; Ord. No. 3457, § 2(part), 2-2-2004)

Floor area ratio in the R1 district shall be:

(1)

Residential uses, not applicable;

(2)

All other permitted or conditional uses: the total floor area of all buildings or structures shall not exceed 25 percent of the total area of the zoning lot, including accessory structures.

(Code 2012, § 17.18.070; Ord. No. 3457, § 2(part), 2-2-2004)

Except as may be herein otherwise required, yards shall be in accordance with the following regulations:

(1)

Front yard: Not less than 25 feet in depth;

(2)

Side yards: A side yard on each side of the zoning lot of not less than ten percent of the lot width, except where a side yard adjoins a street, the minimum width shall be not less than 25 feet. As to an accessory building located more than 30 feet back of the required front yard setback, there shall be a side yard on each side of the zoning lot of not less than three feet;

(3)

Rear yard: Not less than 25 feet in depth.

(Code 2012, § 17.18.080; Ord. No. 3457, § 2(part), 2-2-2004)

Off-street parking and off-street loading shall be in accordance with the regulations set forth in article XXIII of this chapter.

(Code 2012, § 17.18.090; Ord. No. 3457, § 2(part), 2-2-2004)