

ADU rules for Hillside Township
Accessory Dwelling Unit (ADU) Rules for Hillside Township, NJ
Is your property eligible for an ADU?
# of Properties
6,042
Owner-occupied
83%
Zoning districts
14
Avg Home Value
$139,108
Median Lot Size
0.10 acres
Avg Income
$110,320
Residential Types:
6,042 housing units
Single Family
4%
Apts (4+ units)
4%
Other
92%
Zoning Districts:
6,428 parcels · 14 districts
R40
57%(3,678)
R40T
18%(1,154)
R50
6%(411)
RC
6%(364)
Other
13%(821)
ADU Rules
What can you build in Hillside Township, NJ?
Hillside 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
Parking
- –ADUs not permitted; no ADU parking standards apply in Hillside
Rental Restrictions
- –Short-term rentals (<30 days) prohibited for both detached and internal or attached ADUs.
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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ADU rules in other New Jersey municipalities
Rules change at the town line. Check the municipality your property is actually in.
Union County