ADU · Westchester County
Can you build an ADU in Hastings-on-Hudson, NY?
Village of Hastings-on-Hudson has 24 districts. 9 districts prohibit ADUs, 9 allow them with occupancy restrictions. 6 districts have incomplete data - verify with the building department at (914) 478-3400. Check your address to confirm the district that applies to your parcel:
What the Hastings-on-Hudson 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 |
|---|---|---|---|---|
| Marine Waterfront | 0.4591 ac | — | 30 ft | No |
| One-Family Residence | 0.4591 ac | — | 35 ft | Occupancy restricted |
| Two Family Residence | 0.1722 ac | — | 35 ft | Occupancy restricted |
| One-Family Residence | 0.2296 ac | — | 35 ft | Occupancy restricted |
| One-Family Residence | 0.1722 ac | — | 35 ft | Occupancy restricted |
| Two Family Residence | 0.0803 ac | — | 35 ft | Occupancy restricted |
| Multi-Family Residence/Office | 0.1148 ac | — | 40 ft | Occupancy restricted |
| Multi-Family Residence | 0.0344 ac | — | 40 ft | Occupancy restricted |
| Multi-Family Residence | 0.0574 ac | — | 35 ft | Occupancy restricted |
| Multi-Family Residence/Commercial | 0.0574 ac | — | 40 ft | Occupancy restricted |
| Limited Office | 4 ac | — | 40 ft | No |
| Central Commercial | 0.0574 ac | — | 40 ft | No |
| Central Office | 0.2296 ac | — | 35 ft | No |
| Limited Commercial | 0.9183 ac | — | 35 ft | No |
| General Industry | 0.6887 ac | — | 40 ft | No |
| Limited Industry | 0.4591 ac | — | 40 ft | No |
| Mixed Use Planned Development | — | — | — | No |
| Public Park, Recreation and Playground | — | — | — | No |
| Conservation/Cluster Housing | — | — | — | — |
| Cluster Zone Overlay | — | — | — | — |
| Gateway Cluster Overlay District | — | — | — | — |
| Multimedia Production Studio Overlay | — | — | — | — |
| Personal Wireless Facilities Overlay District | — | — | — | — |
| View Preservation Overlay | — | — | — | — |
ADUs vs. short-term rentals in Hastings-on-Hudson
No local short-term-rental law on record - which is not the same as permission for Village of Hastings-on-Hudson. No local STR ordinance found as of Jun 2026; standard village zoning and building codes apply. Westchester County hotel occupancy tax (3%) applies to short-term stays. 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 minimum0.0344–0.4591 ac — an ADU still has to fit the district's lot and setback envelope.
- UtilityCon Edison territory.
- Building dept(914) 478-3400
- Last reviewed2026-06-08
ADU FAQ — Hastings-on-Hudson, NY
Are ADUs allowed in Hastings-on-Hudson, NY?
Village of Hastings-on-Hudson has 24 districts. 9 districts prohibit ADUs, 9 allow them with occupancy restrictions. 6 districts have incomplete data - verify with the building department at (914) 478-3400. Check your address with the free ADU checker.
Do I need a special permit for an ADU in Hastings-on-Hudson?
No district in Village of Hastings-on-Hudson requires a special-use permit for an ADU - 9 districts prohibit ADUs, 9 allow them with occupancy restrictions. Site-plan review or a building permit may still apply.
Can I use an ADU as a short-term rental in Hastings-on-Hudson?
No local short-term-rental law on record - which is not the same as permission for Village of Hastings-on-Hudson. 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 Hastings-on-Hudson
Permission is one question and budget is another. An 800 sq ft accessory unit here runs roughly $235k–310k 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 Hastings-on-Hudson, priced by size.
More on Hastings-on-Hudson: Full zoning for new construction · ADU build cost · House build cost · All Westchester County towns
ADU information for Village of Hastings-on-Hudson is compiled from the municipal code (last reviewed 2026-06-08) 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 (914) 478-3400 before relying on any answer. Source: Offsite / Aldo zoning dataset, municipalData.js.