Can you build an ADU in New Paltz, NY?

Agricultural (A-1.5), Agricultural (A-3) - A second coverage rule applies on top of the building coverage: at least 65% of the lot has to stay open space, and impervious surface is capped at 35%.

• Clustering is available in A1.5, A3 and R1 at the Planning Board's discretion under § 121-25 and Town Law § 278.
• It has to be submitted for any subdivision of 15 or more acres, or 4 or more lots.
• It caps the lot yield at the conforming lot count and states no reduced lot minimum of its own.

Residential (R-1) - A 0.5 acre lot is permitted where municipal water and sewer are provided. The minimum lot area is otherwise 1.01 acres as printed in the schedule, not a round acre.

• At least 65% of the site must be left as open space and impervious coverage is capped at 35%.
• Clustering is at the Planning Board's discretion under § 121-25 and Town Law § 278, and must be submitted for any subdivision of 15 or more acres or of four or more lots.
• Clustering caps yield at the conforming lot count and sets no reduced lot minimum of its own.

Business-2 (B-2) - The 35 ft front setback rises to 65 ft in the part of B2 east of the Village of New Paltz boundary. Multiple dwellings are permitted, but on a different set of standards: a 10 acre site, or 5 acres for adaptive reuse.

• Multiple dwellings are held to the R-V standards under § 140-20: 300 ft of lot width, 500 ft of depth, 200 ft of frontage on an arterial or collector road.
• Those multiple-dwelling yards are 75 ft front and 75 ft side or rear, and 100 ft where the lot adjoins a single-family district.
• Land per dwelling unit is set by bedroom count: 2,500 sq ft for a studio, 3,000 for one bedroom, 4,000 for two bedrooms, 5,000 for three and 6,000 for four.
• No side yard is required, but any side yard provided has to be at least 12.5 ft.
• Side and rear yards are 50 ft along the NYS Thruway right-of-way.
• Townhouses are permitted.

Light Industrial (I-1) - A second coverage rule applies on top of the building coverage: at least 35% of the lot has to stay open space, and impervious surface is capped at 65%. Height is also capped at 3 stories.

Floodplain Watershed (FW), Floodplain Fringe (FF) - At least 65% of the lot has to stay open space and impervious surface is capped at 35%. This is a floodplain district, governed by § 140-19 and Chapter 82.

General Floodplain (GF) - The schedule states no minimum lot area for GF. At least 65% of the lot has to stay open space, and impervious surface is capped at 35%.

• This is a floodplain district, governed by § 140-19 and Chapter 82.

Main Street Mixed Use (MSMU) - The 25 ft front setback applies on state roads, and grows by 1 ft for every foot of building height over 25 ft, to a maximum of 40 ft. On local and county roads the front is 0 to 10 ft minimum and 20 ft maximum.

• Every principal building must have at least two occupiable stories, to a maximum of 3.
• Any building's footprint is capped at 7,500 sq ft.
• More than one building is allowed on a lot.
• Impervious coverage is capped at 85% for redevelopment of a developed site and 65% for an undeveloped site.
• Side and rear yards are 50 ft along the NYS Thruway right-of-way.

Gateway Business (GB) - Height is two stories and 30 ft, but a third story to 35 ft is allowed where the building meets LEED silver or higher.

• At least 35% of the lot has to stay open space, and impervious surface is capped at 65%.
• Any building's footprint is capped at 10,000 sq ft.
• Side and rear yards are 50 ft along the NYS Thruway right-of-way.

Gateway Hamlet (GH) - The front setback has a maximum as well as a minimum: 15 ft minimum and 35 ft maximum. At least 30% of the lot has to stay open space, and impervious surface is capped at 70%.

• Any building's footprint is capped at 5,000 sq ft.
• Height is also capped at 3 stories.