(A) General provisions.
(1) In any district in which single-family dwellings are permitted, a single-family dwelling and customary accessory buildings may be erected on any single nonconforming lot of record (see § 153.052).
(2) Bulk refers to the height and lot coverage for structures in specific districts.
(3) See Table II for lot area, yard, and bulk regulations for the designated districts.
Table II - Lot Area, Yard and Bulk Regulations | |||||||||||
District | Width | Area | Yard | Bulk | |||||||
Minimum Lot Width (Feet) | Non-Residential Use Minimum Area (Square Feet) | Minimum Lot Size Residential Use Minimum Lot Size Area/Family (Square Feet) | Minimum Required Yard (Feet) | Minimum Yard Abutting Residential District (Feet) | Maximum Lot Coverage | Maximum Structure Height (Feet) | |||||
Single Family | Multi Family | Zero Lotline | Front | Side | Rear | ||||||
B | 65 | 7,000 | 6,500 | 4,000 | N/A | None | None | None | 15 | 100% | 45 |
IC | 65 | 7,000 | 6,500 | 4,000 | 4,000 | 25 | 15(a) | 20 | 30(b) | 40% | 45 |
I-1 | 65 | 7,000 | N/A | N/A | N/A | 35 | 15 | None | 25 | 40% | 45 |
RC | 150 | 1 acre | N/A | N/A | N/A | 50 | 25 | 50 | 20 | 10% | 35 |
RD | 65 S-F 40 Z-L | 8,000 | 8,000 (c) or 4,000 (d) | (e) | 4,000 | 30 | (a), (f) and (g) | 10 | N/A | 40% for M-F 60% for S-F | 45 |
RE-1 | 75 S-F 40 Z-L | 8,000 | 8,000 | N/A | 4,000 | 30 | (a) (h) | 20 | N/A | 40% | 35 |
RM | 80 | 8,000 | N/A | (i) | N/A | 30 | 10 | 20 | N/A | 50% | 45 |
RS | 100 S-F 50 Z-L | 18,500 | 18,500 | N/A | 6,000 | 30 | 10(a) | 20 | N/A | 30% | 35 |
RU | 150 | 1 acre | 1 acre | N/A | N/A | 50 | 25 | 30 | 30 | 20% | 35 |
(a) Zero feet along common lotline for zero lotline dwellings on which a conditional use permit has been issued (b) May also be subject to buffer requirements (c) For lots established after August 15, 1977 (d) For lots established prior to August 15, 1977 (e) 8,000 square feet minimum with 2,500 square feet for each 3 bedroom dwelling unit; 2,000 square feet for each 2 bedroom dwelling unit; 1,500 square feet for each 1 bedroom dwelling unit (f) 6 feet for lots 60 feet or less in width; 10% of lot width for lots over 60 feet in width, to a maximum of 10 feet (g) For 3 story multi-family buildings, a minimum of 10-foot side yards are required (h) 8 feet for lots 80 feet or less in width; 10% of lot width for lots over 80 feet in width, to a maximum of 10 feet (i) 8,000 square feet minimum with 3,000 square feet for each 3 bedroom dwelling unit; 2,500 square feet for each 2 bedroom dwelling unit; 2,000 square feet for each 1 bedroom dwelling unit M-F Multi-family S-F Single family Z-L Zero lotline N/A Not applicable | |||||||||||
(B) Front yards.
(1) The front yard setbacks indicated in Table II shall apply to these respective zoning districts except where 30% or more of a block front is improved with buildings. In that event, the setback may be decreased to a line joining the 2 adjacent corners of the building on either side thereof, or, where there is a building on only 1 side, a line projected from the corresponding adjacent corner of the building.
(2) Where a block front is divided among districts with different front yard requirements, the deepest front yard required shall apply to the entire block front.
(3) On corner lots there must be a front yard setback on both streets. On a corner lot, any lot line or yard not considered a front lot line or yard shall be a side lot line or side yard.
(4) On double frontage lots, such as, lots fronting on 2 nonintersecting streets, there shall be a front yard and a rear yard. The front and rear shall be determined by the existing usage of the lot.
(5) Front yards shall be devoted entirely to landscaped areas and the necessary paving of driveways and sidewalks to reach parking or loading areas in the side or rear yards.
(6) All front yards must meet intersection sight distance requirements as determined by the Illinois Department of Transportation's Bureau of Local Roads (BLR) manual.
(7) See division (E).
(C) Rear yards.
(1) The extent of required setbacks for each zoning district shall be as set forth in Table II.
(2) Swimming pools, basketball courts, tennis courts and home barbecue grills may occupy a rear yard provided that they are not located closer than 5 feet to the rear lot lines.
(3) See division (E).
(D) Side yards.
(1) Required side yards shall be maintained on each side of the dwelling or building. The extent of the required yard for each zoning district shall be as set forth in Table II.
(2) No side yard shall be required where dwellings are erected above commercial structures, except side yards as may be required for a commercial dwelling in the district in which it is located.
(4) On corner lots, there must be a front yard setback on both streets. On a corner lot, any lot line or yard not considered a front lot line or yard shall be a side lot line or side yard.
(5) For purposes of the side yard regulations, a multi-family dwelling unit shall be considered 1 building occupying lot.
(6) For 3-story multi-family buildings, a minimum of 10-foot side yards are required.
(7) The minimum width of side yards for schools, libraries, churches, community buildings and other public and semi-public buildings in RU, RS, RC, RE-1, and RM districts shall be 25 feet, except where a side yard is adjacent to a commercial or industrial district, in which case the width of the yard required in the adjoining district shall be required for that yard.
(8)
Swimming pools, basketball courts, tennis courts and home barbecue grills may occupy a side yard provided that they are not located closer than 5 feet to the side lot lines.
(9) See division (E).
(E) All yards.
(1) Sills, window air-conditioning units, chimneys, roofs, cornices, and ornamental features may project into a required yard a distance not to exceed 24 inches.
(2) Open fire escapes and fireproof outside stairways and ordinary projections of chimneys and flues into a required yard for a distance of not more than 3½ feet may be permitted when so placed as to not obstruct light and ventilation.
(3) Those parts of existing buildings that violate yard requirements may be repaired and remodeled in accordance with § 153.053, but not reconstructed to structurally altered in such a way as to increase their nonconformity.
(4) Filling station pumps and pump islands may occupy required yards provided, however, that they are not less than 15 feet from all lot lines.
(5) Walkways, retaining walls, decorative lights, flag poles, birdbaths, bird houses, and the like may be located in any yard, so long as they are a minimum of 2 feet from any lot line.
(F) Height regulations.
(1) Maximum height limits established for buildings and structures are as follows:
(a) Thirty-five feet in the RU, RC, RS and RE-1 districts.
(b) Forty-five feet in the RD, RM, B, I-1 and IC districts.
(2) Buildings and structures greater in height than the abovementioned limits may be constructed only after issuance of a variance.
(Am. Ord. 2008-56, passed 10-14-2008; Am. Ord. 2016-78, passed 11-28-2016)