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ADUs are allowed in Town Of Wappinger
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Accessory Dwelling Unit (ADU) Rules for Town Of Wappinger, NY

Is your property eligible for an ADU?

# of Properties
8,188
Owner-occupied
72%
Zoning districts
21
Avg Home Value
$401,008
Median Lot Size
0.52 acres
Avg Income
$116,466
Residential Types:
8,188 housing units
2-3 Family
78%
Apts (4+ units)
20%
Other
1%
Zoning Districts:
8,456 parcels · 21 districts
R-20
35%(2,967)
R-40
27%(2,251)
RMF-5
13%(1,069)
R-20/40
6%(491)
Other
20%(1,678)

ADU Rules

What can you build in Town Of Wappinger, NY?

Town Of Wappinger, 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 size of 1,000 sq ft for an internal accessory apartment within a one-family home.
  • Maximum size of 35% of the principal dwelling’s gross floor area for an internal accessory apartment within a one-family home.

Max Units

  • 1 per lot for accessory apartments in conjunction with a one-family detached dwelling.
  • 0 for two-family or multifamily principal structures.
  • 1 per lot for a temporary housing unit (ECHO) incidental to a one-family dwelling.

Owner Occupancy

  • Owner must occupy either the principal or ADU as primary residence

Parking

  • 3 min; 3 max (2 for the primary dwelling + 1 for the ADU); exceptions: 200-ft off-site parking allowed and up to 50% waiver if area reserved for future construction; 55+ nonfamilial occupants capped at 2 on-site; ADU parking per Article X.

Rental Restrictions

  • Short-term rentals prohibited in ADUs; STRs only in a single-occupancy building.
  • Long-term occupancy restrictions limit rental eligibility (owner must reside in one unit; only certain family relationships or an age-based non-family occupant allowed).

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.

Dutchess County