The following regulations shall apply in all R-3 Districts. A precise plan shall be submitted to the Planning and Zoning Board by the developer for its approval and only after obtaining approval may the developer proceed with construction of the project.
The purposes of the R-3 District are:
A. 
To delineate those areas where residential development has occurred or is likely to occur in multifamily structures in accordance with the Comprehensive Plan of the City of Lockport.
B. 
To provide a variety of dwelling unit and structure types to accommodate the needs of the City's population.
Permitted principal uses in the R-3 District shall be as follows:
A. 
Two-family dwellings.
B. 
Multifamily dwellings or apartment houses.
C. 
Planned unit development.
D. 
Private clubs.
E. 
Nursing homes.
F. 
Churches.
G. 
Rooming houses, tourist homes and boardinghouses.
H. 
Hospitals and sanitariums.
I. 
Day-care center.
[Amended 3-15-1995]
J. 
Bed-and-breakfast residences.
[Added 5-4-1988]
Permitted accessory uses in the R-3 District shall be as follows:
A. 
Any accessory uses permitted in the R-2 Residential District.
B. 
Off-street parking areas for the storage of private vehicles in connection with occupants of multifamily structures.
C. 
Garage space or parking space for not more than two motor vehicles for each dwelling unit. For each 2,000 square feet that the area of the lot exceeds 5,000 square feet, one additional motor vehicle may be garaged or parked; provided, however, that no commercial vehicles may be so garaged or parked, except one vehicle, 3/4 ton or less. Space for one motor vehicle, but not including a commercial vehicle, may be rented to a person not residing on the same premises.
(1) 
On all occupied lots, at least one automobile off-street parking space or garage must be located on the same lot as the dwelling unit for each car to be domiciled. No required front or side yard except designated driveway space shall be used for the open-air parking or storage of motor vehicles, boats, trailers, campers, recreation vehicles, or parts thereof.
(2) 
No more than one unlicensed vehicle shall be parked or stored on a lot in a residential area.
Special uses in the R-3 District shall be as follows:
A. 
Any special uses permitted in the R-2 Residential District.
B. 
Multifamily structures over three stories or 35 feet in height.
C. 
Inside parking of private vehicles where said vehicles are stored within the principal residential structure.
D. 
Mobile home parks.
Other permitted uses and restrictions are as follows:
A. 
Building height limit.
(1) 
One- and two-family residences: three stories, but not exceeding 35 feet. See Building Code.[1]
[1]
Editor's Note: See Ch. 66, Building Construction Administration.
(2) 
Multiple residences, as regulated by State of New York Multiple Residence Law.
(3) 
There shall be no height limit for other types of buildings.
B. 
Required lot area.
(1) 
Each lot shall have a minimum of 20,000 square feet and a minimum width of 70 feet.
(2) 
Except in multiple residences, where more than one family is located on a lot, there shall be at least 2,500 square feet of lot area for each family unit. There shall also be at least 600 square feet of living quarters, exclusive of basement, cellar or storage space, for each family unit.
C. 
Percentage of lot coverage. All buildings, including accessory buildings, shall not cover more than 35% of the area of the lot.
D. 
Yards required.
(1) 
Except as noted below, each lot shall have front, side and rear yards not less than the following:
(a) 
Front yard setback: 30 feet.
(b) 
Each side yard setback: 10 feet.
(c) 
Rear yard setback: 20 feet.
(2) 
Exceptions. A detached garage, barn, toolhouse, shed, workshop or playhouse, for uses incidental to the residential use of the main building, may be located on the same lot a minimum distance of five feet to the rear of the foundation wall or any projection of the main building.
E. 
Conversions. Any building, residential or otherwise, existing at the time of adoption of this chapter, being altered in any manner for occupancy by one or two families, shall provide at least 600 square feet of living space, exclusive of the basement, cellar or storage area, for each family unit, and there shall be at least 1,700 square feet of lot area for each family unit.