ADU rules for West Windsor Township
Accessory Dwelling Unit (ADU) Rules for West Windsor Township, NJ
Is your property eligible for an ADU?
# of Properties
9,164
Owner-occupied
84%
Zoning districts
71
Avg Home Value
$513,322
Median Lot Size
0.51 acres
Avg Income
$198,929
Residential Types:
9,164 housing units
2-3 Family
89%
Other
11%
Zoning Districts:
9,601 parcels · 71 districts
R-30
20%(1,968)
R-20
20%(1,914)
R-4
7%(636)
PRRC
6%(576)
Other
47%(4,507)
ADU Rules
What can you build in West Windsor Township, NJ?
West Windsor Township, NJ follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not addressed in the local bylaw
ADU State Law
What can you build in New Jersey?
- –New Jersey does not have a statewide ADU mandate; ADU rules are set by individual municipalities.
- –Building/fire codes are set statewide, but whether an ADU is allowed is local zoning.
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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Learn the key rules and size limits for ADUs
Is your property eligible for an ADU?
ADU rules in other New Jersey municipalities
Rules change at the town line. Check the municipality your property is actually in.
Mercer County