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ADU rules for Allendale Borough

Accessory Dwelling Unit (ADU) Rules for Allendale Borough, NJ

Is your property eligible for an ADU?

# of Properties
175
Owner-occupied
21%
Zoning districts
29
Avg Home Value
$2,358,953
Median Lot Size
0.51 acres
Avg Income
$202,137
Residential Types:
175 housing units
Single Family
34%
Apts (4+ units)
35%
Condos
31%
Zoning Districts:
2,547 parcels · 29 districts
AA
30%(775)
A
26%(659)
AAA
16%(417)
ML-6
6%(152)
Other
21%(544)

ADU Rules

What can you build in Allendale Borough, NJ?

Allendale Borough, NJ follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Parking

  • 1 space per ADU; and 1 enclosed garage per dwelling unit (garage must contain at least 1 space); affordable housing exempt from the garage requirement; parking on the same lot behind setback lines; minimum 10x20 ft; RSIS may supersede.

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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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.

Bergen County

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