The following regulations shall apply in all R-2 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 purpose of the R-2 District is to delineate those areas where residential development has occurred or is likely to occur in one- and two-family structures in accordance with the Comprehensive Plan for the City of Lockport.
Permitted principal uses in the R-2 District shall be as follows:
A. 
Single-family detached dwellings.
B. 
Two-family dwellings.
C. 
Boardinghouse for not more than two persons.
D. 
Conversions of a single-family structure to a two-family structure.
Permitted accessory uses in the R-2 District shall be as follows:
A. 
Any accessory use permitted in the R-1 Residential District.
B. 
Off-street yard parking space.
Special uses in the R-2 District shall be as follows:
A. 
All special uses permitted in the R-1 Residential District.
B. 
Nursing homes.
C. 
Sanitariums.
D. 
Bed-and-breakfast residences.
[Added 5-4-1988]
Other permitted uses and restrictions are as follows:
A. 
Two-family residences, either new or converted. Two or more off-street parking spaces or garage spaces shall be provided for each unit. No required front yard shall be used for the open-air parking of motor vehicles. See § 190-110C.
(1) 
Garage space or parking space for not more than two motor vehicles. 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.
(2) 
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.
(3) 
No more than one unlicensed vehicle shall be parked or stored on a lot in a residential area.
B. 
Building height limit. The building height limit shall be 2 1/2 stories, but not exceeding 35 feet.
C. 
Required lot area. The required lot area shall be not less than 12,000 square feet and a lot width not less than 70 feet.
D. 
Percentage of lot coverage. All buildings, including accessory buildings, shall not cover more than 30% of the area of the lot.
E. 
Yards required.
(1) 
Except as noted below, each lot shall have front, side and rear yards not less than the depths or widths following:
(a) 
Front yard depth: 30 feet.
(b) 
Each side yard width: 10 feet.
(c) 
Rear yard depth: 25 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.
F. 
Conversions. Any building, residential or otherwise, existing at the time of the 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 basement, cellar or storage area, for each family unit, and there shall be at least 6,000 square feet of lot area for each family unit.