ADUs are allowed in BuffaloTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Buffalo, NY
Is your property eligible for an ADU?
# of Properties
83,092
Owner-occupied
31%
Zoning districts
40
Avg Home Value
$222,921
Median Lot Size
0.09 acres
Avg Income
$57,433
Residential Types:
95,855 housing units
Single Family
40%
2-3 Family
29%
Apts (4+ units)
32%
Zoning Districts:
93,456 parcels · 40 districts
N-3R
60%(55,822)
N-2R
17%(15,796)
N-4-30
8%(7,760)
N-3E
4%(3,431)
Other
11%(10,647)
ADU Rules
What can you build in Buffalo, NY?
Buffalo, NY follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size of 1,000 sq ft
- –Must be smaller than the area of the principal dwelling
Detached ADU Size Limits
- –Must be smaller than the area of the principal dwelling
- –Maximum size of 1,000 sq ft
ADU State Law
What can you build in New York?
- –New York does not have a statewide ADU law; all ADU rules are set by individual municipalities.
- –ADUs may also be referenced as "accessory apartments" or "accessory living units," and definitions are not standardized statewide.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other New York municipalities
Rules change at the town line. Check the municipality your property is actually in.
Erie County
City Of TonawandaLackawannaTown Of AldenTown Of AmherstTown Of BostonTown Of CheektowagaTown Of ClarenceTown Of Grand IslandTown Of HamburgTown Of LancasterTown Of Orchard ParkTown Of TonawandaTown Of West SenecaVillage Of AkronVillage Of AldenVillage Of AngolaVillage Of BlasdellVillage Of DepewVillage Of East AuroraVillage Of HamburgVillage Of KenmoreVillage Of LancasterVillage Of North CollinsVillage Of Orchard Park
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