ADU · Sullivan County
Can you build an ADU in Mamakating, NY?
Town of Mamakating has 10 districts. 7 districts prohibit ADUs, 2 require a special-use permit, 1 allows them. Check your address to confirm the district that applies to your parcel:
What the Mamakating code indicates by district
The table below shows how each district treats ADUs, alongside the lot and setback standards that govern a second unit. District boundaries and conditions vary, so treat this as a starting point and confirm the district that applies to your parcel.
| District | Min lot | Setbacks F / S / R | Max height | ADU |
|---|---|---|---|---|
| Village/Agricultural District | 2 ac | 50 / 50 / 50 ft | 30 ft | As of right |
| Agricultural District | 1 ac | 50 / 25 / 25 ft | 30 ft | No |
| Protected Resource Open District | 10 ac | 50 / 50 / 50 ft | 30 ft | No |
| Resort Village Park District | 10 ac | 50 / 50 / 50 ft | 30 ft | No |
| Mixed General District | 10 ac | 50 / 50 / 50 ft | 30 ft | No |
| Rural Agricultural District | 3 ac | 50 / 40 / 50 ft | 30 ft | No |
| Business-Rural District | 2 ac | 50 / 40 / 50 ft | 30 ft | No |
| Neighborhood Retail District | 2 ac | 25 / 40 / 35 ft | 30 ft | Special permit |
| Light Neighborhood District | 2 ac | 25 / 40 / 35 ft | 30 ft | No |
| Highway Commercial District | 1 ac | 25 / 30 / 35 ft | 30 ft | Special permit |
ADUs vs. short-term rentals in Mamakating
Short-term-rental status not confirmed for Town of Mamakating. Town held public hearings on a proposed STR local law in October and November 2024; adoption vote outcome not confirmed in publicly available sources as of Jun 2026. Contact Town Hall to verify current status. These are separate questions from whether you can build an ADU — a unit you're allowed to add isn't automatically one you're allowed to rent nightly, so check both.
Good to know
- Residential lot minimum1–3 ac — an ADU still has to fit the district's lot and setback envelope.
- UtilityOrange & Rockland (O&R) territory.
- Building dept(845) 888-3030
- Last reviewed2026-08-16
ADU FAQ — Mamakating, NY
Are ADUs allowed in Mamakating, NY?
Town of Mamakating has 10 districts. 7 districts prohibit ADUs, 2 require a special-use permit, 1 allows them. Check your address with the free ADU checker, or confirm with the building department at (845) 888-3030.
Do I need a special permit for an ADU in Mamakating?
It depends on the district: 2 of 10 require a special-use permit, the rest do not. Check the district that applies to your parcel before you design.
Can I use an ADU as a short-term rental in Mamakating?
Short-term-rental status not confirmed for Town of Mamakating. ADU occupancy and short-term-rental rules are separate: an ADU you can build isn't automatically one you can rent nightly. Confirm both before you count on STR income.
What an ADU costs to build in Mamakating
Permission is one question and budget is another. An 800 sq ft accessory unit here runs roughly $190k–250k at a standard finish, and the per-square-foot rate comes in above a full house because the kitchen, bath, panel and heating plant cost the same either way. See the full cost to build an ADU in Mamakating, priced by size.
More on Mamakating: Full zoning for new construction · ADU build cost · House build cost · All Sullivan County towns
ADU information for Town of Mamakating is compiled from the municipal code (last reviewed 2026-08-16) and provided for decision-support only — not legal or architectural advice. ADU eligibility, size, owner-occupancy and permit conditions vary by district and often carry exceptions; verify with the building department at (845) 888-3030 before relying on any answer. Source: Offsite / Aldo zoning dataset, municipalData.js.