Can you build an ADU in Sidney, NY?

Residential R-1 - The rear yard must be at least as deep as the principal building is tall, and the 4 ft side yard must also keep at least 12 ft from any existing building on an adjacent lot.

• Any lot with two sides fronting a public street is a corner lot, and every yard facing a street must meet the full front yard standard.
• A lot in a subdivision whose approved plan, filed with the Village and the Delaware County Clerk, shows a shallower front yard keeps that filed figure.
• An unenclosed porch or deck on piers, even if roofed, may project up to 12 ft into a required front, side or rear yard (§ 215-20C).
• An accessory building may sit 3 ft from a side or rear lot line but not within 12 ft of an existing dwelling.

Residential R-1A - The rear yard must be at least as deep as the principal building is tall, and the 4 ft side yard must also keep at least 12 ft from any existing building on an adjacent lot.

• A townhouse development is stated as area per unit rather than a lot minimum: 5,000 sq ft of total development area per unit, so a 2-acre site carries about seventeen townhouses.
• Townhouse developments have their own minimum requirements under § 215-8.
• Any lot with two sides fronting a public street is a corner lot, and every yard facing a street must meet the full front yard standard.
• A lot in a subdivision whose approved plan, filed with the Village and the Delaware County Clerk, shows a shallower front yard keeps that filed figure.

Residential R-2 - A two-family dwelling is permitted as of right on the same 10,500 sq ft lot that R-1 requires for one, with no per-unit density standard or added land for the second unit (§ 215-9A).

• The rear yard must be at least as deep as the principal building is tall.
• The 4 ft side yard must also keep at least 12 ft from any existing building on an adjacent lot.
• Any lot with two sides fronting a public street is a corner lot, and every yard facing a street must meet the full front yard standard.
• A lot in a subdivision whose approved plan, filed with the Village and the Delaware County Clerk, shows a shallower front yard keeps that filed figure.
• An unenclosed porch or deck on piers, even if roofed, may project up to 12 ft into a required front, side or rear yard (§ 215-20C).
• An accessory building may sit 3 ft from a side or rear lot line but not within 12 ft of an existing dwelling.

Residential R-3 - Each side yard must be at least one third of the principal building's height and the rear yard at least its full height, so a 40 ft building needs 13 ft 4 in on each side and a 24 ft one needs eight feet.

• A multiple dwelling needs not less than 1,000 sq ft for each dwelling unit (§ 215-10E(1)), and the 10,500 sq ft lot minimum still applies, but that lot then carries up to 10 units.
• Any lot with two sides fronting a public street is a corner lot, and every yard facing a street must meet the full front yard standard.

Commercial B-1 - The figures shown apply to a residential lot, which takes the R-3 requirements in full. A nonresidential lot has no area, density or yard requirements, except R-3's side and rear yards where it adjoins an existing residential lot or district.

• A nonresidential building's maximum height here is 50 ft.
• Each side yard must be at least one third of the principal building's height, and the rear yard at least its full height; at 40 ft that is 13 ft 4 in per side, at 24 ft eight feet.
• In the B-1A overlay, on Main Street between the railroad and Bridge Street and parts of seven side streets, every street-level storefront must be commercial use only (§ 215-12C).

Commercial B-2 - The figures shown apply to a residential lot, which takes the R-3 requirements in full. A nonresidential lot has no area, density or yard requirements, except R-3's side and rear yards where it adjoins an existing residential lot or district.

• Each side yard must be at least one third of the principal building's height, and the rear yard at least its full height; at 40 ft that is 13 ft 4 in per side, at 24 ft eight feet.
• A nonresidential building's height cap is 50 ft, and the Planning Board may allow more where special conditions require it.
• B-2 adds hotels, lodging and rooming houses, motels, tourist homes, motor vehicle sales and wholesale businesses to the B-1 uses, and certain light manufacturing by special permit.

General Industrial - Under § 215-14D, no area, height, density or yard requirement applies in I-1, and § 215-14A permits all uses not otherwise prohibited by law except residential uses.

• A use that is noxious or injurious by dust, smoke, refuse, odour, fumes, noise or vibration is prohibited, though the Planning Board may allow it by special use permit with conditions.
• Adult uses are allowable only in I-1, under the separation and concentration rules of § 215-14E.
• Off-street parking follows § 215-15.