ADU · Rensselaer County
Can you build an ADU in Berlin, NY?
Town of Berlin has 5 districts. All districts prohibit ADUs. Check your address to confirm the district that applies to your parcel:
What the Berlin 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 |
|---|---|---|---|---|
| Residential | 1 ac | 50 / 25 / 50 ft | 35 ft | No |
| Residential | 2 ac | 50 / 50 / 50 ft | 35 ft | No |
| Commercial | 1 ac | 25 / 25 / 50 ft | 35 ft | No |
| Industrial | 2 ac | 100 / 50 / 100 ft | 35 ft | No |
| Rural Use | 3 ac | 75 / 100 / 75 ft | 35 ft | No |
ADUs vs. short-term rentals in Berlin
Short-term rentals allowed with local rules for Town of Berlin. BERLIN HAS NO SHORT-TERM-RENTAL LAW, BUT ITS CODE STILL GATES THE ACTIVITY — WHICH IS WHY THIS IS RECORDED AS REGULATED RATHER THAN AS AN ABSENCE. The Town's Land Use Regulations ARE published online, contrary to what was previously assumed here: berlinnyus.gov carries the full 55-page text (Local Law #2, adopted October 13, 1988; the posted file is the May 2012 digital transcription). Read in full 2026-08-27. The phrase 'short-term rental' appears nowhere, and neither does any rental-registration or rental-permit chapter — the thirteen articles run title/scope, districts, use regulations, area and bulk, supplementary regulations, special permit review, site plan review, non-conformities, administration, ZBA, amendments, definitions and interpretation. WHAT DOES THE REGULATING IS THE TOURIST HOME. Article XII defines 'TOURIST HOME — A building where, for compensation, lodging, meals or both are provided or offered for transient guests', and separately defines 'TRANSIENT — A person passing through or visiting for a brief stay, generally less than one week.' Read together those two definitions describe a short-term rental exactly. THE TOURIST HOME IS A LISTED, PERMIT-GATED USE IN EVERY RESIDENTIAL DISTRICT. In the District Schedule of Use Regulations (Article III) 'Tourist home' is SP* in R1, SP* in R2, P* in C and SP* in RU, and X in I — that is, a special permit under Article VI plus site plan review under Article VII in all three districts where houses sit, and permitted with site plan review in the commercial district. A 'Bed and breakfast establishment' is separately listed at SP* / SP* / P* / X / SP* and is defined as a private dwelling offering one to four rooms for rent for transient occupancy. THE SCHEDULE IS NOT A CLOSED LIST, AND ITS CATCH-ALL POINTS THE SAME WAY: 'For uses not specifically listed in this Schedule, the Building Inspector shall determine which category best applies.' An unlisted 'short-term rental' therefore does not fail for want of a listing — it gets assigned to the nearest category, and the nearest category is the tourist home. WHAT THE CODE DOES NOT ANSWER is whether the Town in practice applies the tourist-home definition to a modern listing, and that answer materially changes the underwriting: a special permit plus site plan review is a discretionary, hearing-bearing process, not a filing. Do not assume either way — get the Building Department's position in writing at (518) 658-0211 before underwriting short-term rental income on a Berlin property. Separately, New York State's 2025 STR registry requires every host statewide to register the unit through the Rensselaer County registry regardless of what the municipality allows. 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. Municipal source
Good to know
- Residential lot minimum1–3 ac — an ADU still has to fit the district's lot and setback envelope.
- UtilityNational Grid territory.
- Building dept(518) 658-0211
- Last reviewed2026-08-05
ADU FAQ — Berlin, NY
Are ADUs allowed in Berlin, NY?
Town of Berlin has 5 districts. All districts prohibit ADUs. Check your address with the free ADU checker, or confirm with the building department at (518) 658-0211.
Do I need a special permit for an ADU in Berlin?
No. No district in Town of Berlin permits an ADU, so there is no permit to apply for. Codes change, so verify with the building department at (518) 658-0211 before ruling it out.
Can I use an ADU as a short-term rental in Berlin?
Short-term rentals allowed with local rules for Town of Berlin. 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 Berlin
Permission is one question and budget is another. An 800 sq ft accessory unit here runs roughly $195k–255k 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 Berlin, priced by size.
More on Berlin: Full zoning for new construction · ADU build cost · House build cost · All Rensselaer County towns
ADU information for Town of Berlin is compiled from the municipal code (last reviewed 2026-08-05) 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 (518) 658-0211 before relying on any answer. Source: Offsite / Aldo zoning dataset, municipalData.js.