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Grain Valley City Zoning Code

SECTION 400

090 District "R-3" Multi-Family Residential District.

[R.O. 1996 § 400.090; Ord. No. 1084 § 90, 3-10-1997; Ord. No. 2067, 2-22-2010]
A. 
An "R-3" District is intended primarily to accommodate multi-family residences and apartment buildings generally located adjacent to central areas of the City in proximity to principal areas of commercial development or in convenient relation to outlying major thoroughfares and outlying business centers. This district is sometimes used as a buffer between industrial and commercial districts and single-family districts.
B. 
In District "R-3," no building, structure, land or premises shall be used and no building or structure shall be hereafter erected, constructed, reconstructed, moved or altered, except for one (1) or more of the following uses: (For exceptions, see Section 400.240, Conditional Uses; Section 400.271, Non-Conforming Uses; and Section 400.370, Board Of Adjustment — Power And Duties.)
1. 
Apartment houses or multiple dwellings.
2. 
Two-family dwellings.
3. 
Nursing homes, boarding and lodging houses.
4. 
Uses as permitted in Subsection (B)(2) through (8) in Section 400.070.
5. 
Accessory uses as provided in Section 400.230.
[Ord. No. 2403, 11-28-2022]
C. 
Height And Area Regulations. In District "R-3," the height of buildings hereafter erected, constructed, reconstructed, moved or altered, the minimum dimensions of lots and yards, and the minimum lot area per family permitted on any lot shall be as follows: (For exceptions, see Section 400.250, Setback Regulations, and Section 400.260, Height and Area Exceptions.)
1. 
Height. Buildings or structures shall not exceed forty-five (45) feet and shall not exceed three (3) stories in height.
2. 
Front Yards. There shall be a front yard the minimum depth of which shall be at least thirty (30) feet. (See Section 400.250, Setback Regulations.)
3. 
Side Yards. There shall be a side yard on each side of a building not less than ten (10) feet.
4. 
Rear Yards. There shall be a rear yard the minimum depth of which shall be at least thirty (30) feet.
5. 
Width Of Lot. The mean width of a lot shall be not less than seventy-five (75) feet and shall have a width of not less than seventy-five (75) feet at the building line, provided that where a lot has less width than herein required in separate ownership and conforms with previous zoning ordinances of Grain Valley at the time of the passage of this Chapter, this regulation will not prohibit the erection of a conforming structure.
6. 
Lot Area. Twelve thousand (12,000) square feet minimum, plus one thousand five hundred (1,500) square feet for each unit exceeding four (4).
7. 
Floor Area. Every dwelling unit shall have a minimum floor area, exclusive of basements, open or screened porches and garages, of not less than the following:
a. 
Single-Family Residences — Eleven hundred (1,100) square feet.
b. 
Duplexes — Nine hundred (900) square feet per unit.
c. 
Buildings Exceeding Two (2) Units — Five hundred (500) square feet per unit.
8. 
Parking Regulations. (See Section 400.290, Off-Street Parking Loading Requirements.)
9. 
Play Or Open Space. Suitable play or open space shall be provided which is easily accessible from the living units without encountering traffic hazards and which is so located that it will not impair the views from the fronts of the apartments. Such space shall contain not less than the following area:
a. 
One thousand (1,000) square feet for the first four (4) family units;
b. 
Plus sixty (60) square feet per unit for the next eight (8) units;
c. 
Plus thirty (30) square feet per unit for all units over twelve (12).
10. 
Landscaping And Screening. (See Section 400.280, Landscaping And Screening.)
11. 
Floor Area Ratio (FAR). The ratio between the total square footage of a lot and the total number of square feet of the first floor within the exterior walls of a building placed on that lot shall be no greater than four-tenths (0.4).
12. 
Lot Depth. The minimum lot depth shall be at least one hundred ten (110) feet.