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ADUs are allowed in Hudson
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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.

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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Is your property eligible for an ADU?

ADU rules in other New York municipalities

Rules change at the town line. Check the municipality your property is actually in.

Columbia County

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