Definition: A detached building designated or occupied by one (1) family exclusively. (Specification A.17)

Location permitted: See appendix D for land use table.

For a building to meet the location requirements, it must be located:

1.

On a lot which was in single ownership or included in a subdivision of public record in Cook County, Illinois, or before the date of passage of the ordinance from which this specification derives; or

2.

On a lot with a minimum area of nine thousand one hundred (9,100) square feet and a width of seventy (70) feet and a depth of one hundred thirty (130) feet. However, the lot size must be comparable to adjacent lots in the area, whichever is greater.

Further, the building style must be compatible and in character with surrounding development and have the approval of the plan commission.

Floor area: Not less than one thousand (1,000) square feet of finished living area above-grade in a single-story building nor less than one thousand seven hundred (1,700) square feet on a multi-story building.

Height of buildings: Principal building—Normal maximum twenty-five (25) feet or two (2) stories.

Front yard: Twenty (20) percent of average depth of lots in the block with a minimum of twenty-five (25) feet, provided that on through lots, the front yard setback requirements shall apply to the frontage on both ends of the through lot, and provided further, that on through lots, said front yard set back shall be applicable to all buildings, including the principal building and all accessory buildings, particularly including garages.

Side yard: The sum of the side yard shall equal not less than twenty (20) percent of the lot width with a minimum width of six (6) feet for either side yard.

Rear yard: Ten (10) percent of the depth of lot, with a minimum depth of ten (10) feet. One-half (½) of an alley abutting the rear lot may be included in the required rear yard. In cases of through lots, the rear yard requirements are not applicable, and in such cases, the front yard requirements are applicable to both ends of such through lots.

Corner lot side street setback: Minimum of fifteen (15) feet.

Lot coverage, under roof: Thirty-five (35) percent maximum of the total lot.

Lot coverage, impervious material: Fifteen (15) percent maximum.

Accessory buildings, uses permitted:

1.

Private garage, storage, exclusive of industrial or commercial use.

2.

Accessory building shall not be permitted prior to the erection of the principal building, except for storage purposes and not for human occupancy. (Specification A.18)

3.

No detached accessory building shall be located closer to a side lot properly line or other structure than six (6) feet.

4.

Accessory buildings shall not be located within any easement.

5.

Sheds shall not exceed twelve (12) feet in overall height and one hundred fifty (150) square feet in floor area.

Landscaping: Approved landscaping is required for all new developments and major alterations. (See section 6-261)

Vision clearance on corner lot: Eight (8) feet from the intersection of property lines.

Vehicle parking space: See specification F.

Conditional Exceptions

Front yard:

1.

Where twenty-five (25) percent or more of the lots in a block are occupied by buildings, the average setback of such buildings determines the dimension of the front yard in the block, but the maximum front yard need not exceed forty (40) feet in R1 districts; or fifteen (15) feet in other districts.

2.

Front yard or setback line established in recorded subdivisions establish the dimension of front yards in such blocks, except when such setback lines may be less restrictive as provided in article I, section 4.

3.

On lots extending through from one street to another, a front yard is required on each street.

Tapered yard: Where an interior lot abuts a corner lot, or on an alley separating such lots, any accessory building located on the rear lot line of a corner lot shall be set back from the side street as far as the dwelling on the interior lot; for each foot that such accessory building is placed from the rear line towards the front line of the corner lot, the accessory building may be set four (4) inches closer to the side street line, but in no case closer than six (6) feet.

Accessory buddings: No accessory building may be erected having a side wall height higher than nine (9) feet, provided further that an accessory building shall have a roof constructed in conformity with the principal dwelling to which the building is an accessory. The ridge of an accessory building shall not exceed the height of the principal building for one-story buildings or twenty (20) feet on a multi-story building. The permit to construct accessory buildings and garages shall not modify the limitations of lot coverage herein above stated.

(Ord. No. 2006-26, §§ 3, 4, 9-18-06; Ord. No. 2024-8, § 1, 2-13-24; Ord. No. 2024-32, § 2, 7-9-24)