

ADUs are allowed in HudsonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Hudson, NY
Is your property eligible for an ADU?
# of Properties
1,881
Owner-occupied
44%
Zoning districts
15
Avg Home Value
$352,108
Median Lot Size
0.10 acres
Avg Income
$81,186
Residential Types:
1,881 housing units
2-3 Family
83%
Apts (4+ units)
15%
Other
2%
Zoning Districts:
2,288 parcels · 15 districts
R-2
22%(513)
R-4
19%(445)
C-C
18%(423)
R-1
14%(311)
Other
26%(596)
ADU Rules
What can you build in Hudson, NY?
Hudson, 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 ADU size equal to the principal dwelling’s gross floor area
Detached ADU Size Limits
- –Maximum ADU size not to exceed the principal dwelling's gross floor area.
Max Units
- –1 ADU per single-family building lot; not permitted on two-family or multifamily lots.
Owner Occupancy
- –Owner must occupy the principal dwelling or ADU for 12 months post-CO.
Parking
- –0 spaces/ADU; no citywide minimum; follow one-family dwelling parking standards unless the ADU is in a preexisting nonconforming accessory structure; no new driveway access; if parking is provided, a front-yard driveway may count as one space for 1- or 2-family dwellings
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.
Columbia County
Town Of AncramTown Of AusterlitzTown Of CanaanTown Of ChathamTown Of ClaverackTown Of ClermontTown Of CopakeTown Of GallatinTown Of GermantownTown Of GhentTown Of GreenportTown Of HillsdaleTown Of KinderhookTown Of LivingstonTown Of New LebanonTown Of StockportTown Of StuyvesantTown Of TaghkanicVillage Of ChathamVillage Of KinderhookVillage Of PhilmontVillage Of Valatie