Town of Perinton, NY: zoning for new construction

Class AA Residential - A corner lot takes a larger lot: 30,000 sq ft on 150 ft of width, and it must hold the full front setback from each street or highway rather than a side yard. A single-family dwelling must also include a two-car private garage as a condition of the use.

• Minimum ground area of the main structure is 1,400 sq ft for a one-storey building, 1,200 sq ft for a one-and-a-half-storey and 1,000 sq ft for a two- or two-and-a-half-storey.
• Under § 208-34A(1), the Planning Board may permit townhouses in an AA, A, B or C residential subdivision of at least 40 developable acres.
• Townhouses may occupy no more than 10% of the developable area, and the application must be made with the pre-preliminary subdivision application.
• Townhouses must be in harmony with and complementary to the single-family houses proposed, and must meet the garage requirement of the district they sit in.
• The lot minimum in AA is a single figure that does not change with sewer service.

Class A Residential - The figures shown apply to lots served by public sewer. A corner lot must be larger: 27,000 sq ft on 135 ft of width, and it has to meet the full front setback from each street or highway rather than a side yard.

• A lot not served by sanitary sewers takes 20,000 sq ft on 100 ft of width, against 18,000 sq ft on 90 ft where sewers are available, and a corner lot 30,000 sq ft on 150 ft.
• Townhouses may be permitted by the Planning Board under § 208-34A(1) only in an AA, A, B or C residential subdivision of at least 40 developable acres, on no more than 10% of the developable area.
• A townhouse application must be made with the pre-preliminary subdivision application, be complementary to the single-family houses proposed, and meet the district's garage requirement.
• A single-family dwelling must have a two-car private garage.
• Minimum ground area of the main structure is 1,200 sq ft for a one-storey building, 1,000 sq ft for a one-and-a-half-storey and 850 sq ft for a two- or two-and-a-half-storey.

Class B Residential - The figures shown apply to a sewered single-family lot. This district publishes four sets of lot standards, crossing sewered against unsewered and single-family against two-family, and an unsewered lot owes a 15 ft side yard rather than 12 ft.

• An unsewered lot takes 20,000 sq ft on 100 ft of width, nearly 40% more than the 14,400 sq ft a sewered lot needs, with a 15 ft side setback; a corner lot takes 22,750 sq ft on 130 ft.
• A two-family needs 17,600 sq ft (0.404 acres) on 110 ft sewered or 21,875 sq ft (0.5022 acres) on 125 ft unsewered; corner lots are 20,800 sq ft on 130 ft and 26,250 sq ft on 150 ft.
• A corner lot takes more land: 19,200 sq ft on 120 ft of width, and its setback from each street or highway is the full front setback rather than a side yard.
• Minimum ground area runs 1,000 / 850 / 750 sq ft for a single-family dwelling, and for a two-family 1,800 sq ft one-storey, 1,300 one-and-a-half-storey and 1,100 two-storey.
• A semidetached dwelling may have one zero-foot side yard; an agricultural structure takes 140 ft front, 30 ft side and 50 ft rear; a two-family hearing is noticed to owners within 500 ft.
• Under § 208-34A(1) the Planning Board may permit townhouses in an AA, A, B or C subdivision of at least 40 developable acres, on no more than 10% of it, with the pre-preliminary application.

Class C Residential - The figures shown apply to a sewered single-family lot. This district publishes four lot rows, crossing sewered against unsewered and single-family against two-family, and an unsewered lot owes a 15 ft side yard rather than 12 ft.

• An unsewered lot takes 20,000 sq ft on 100 ft of width, nearly 40% more than the 14,400 sq ft a sewered lot needs, with a 15 ft side setback; a corner lot takes 22,750 sq ft on 130 ft.
• A two-family needs 17,600 sq ft (0.404 acres) on 110 ft sewered or 21,875 sq ft (0.5022 acres) on 125 ft unsewered; corner lots are 20,800 sq ft on 130 ft and 26,250 sq ft on 150 ft.
• A corner lot takes a larger lot, 19,200 sq ft on 120 ft of width, and its setback from each street or highway is the full front setback rather than a side yard.
• Minimum ground area runs 900 / 800 / 650 sq ft for a single-family dwelling, and for a two-family 1,800 sq ft one-storey, 1,300 one-and-a-half-storey and 1,100 two-storey.
• A semidetached dwelling may have one zero-foot side yard, and a two-family hearing is noticed to every owner within 500 ft at least a week and no more than three weeks before it.
• Under § 208-34A(1) the Planning Board may permit townhouses in an AA, A, B or C subdivision of at least 40 developable acres, on no more than 10% of it, complementary to the houses proposed.

Apartment District - Land area runs 15,000 sq ft for the first dwelling unit in each apartment building plus 3,000 sq ft for each additional unit. An apartment building must hold at least four units and no more than twelve, so a three-unit building is not permitted.

• The 30% building coverage is measured against the developable project area, not the whole parcel.
• The 40 ft side and rear figure is measured from all property lines.
• Minimum unit sizes are 550 sq ft for an efficiency, 675 for a one-bedroom, 800 for a two-bedroom and 950 for a three-bedroom; efficiencies may be no more than 25% of the units.
• Buildings in a group must stand 20 ft apart, or the height of the highest adjacent building if greater. No exterior wall may run more than 100 ft without a lateral offset of at least eight feet.
• A building or group of more than 12 units needs direct access to a county or state highway by a private driveway or a road dedicated to the Town by the developer.
• Open parking may not sit in a front or side yard.