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ADU rules for Dunellen Borough

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

Is your property eligible for an ADU?

# of Properties
2,130
Owner-occupied
77%
Zoning districts
12
Avg Home Value
$474,930
Median Lot Size
0.17 acres
Avg Income
$105,787
Residential Types:
2,130 housing units
Single Family
4%
2-3 Family
91%
Apts (4+ units)
5%
Condos
1%
Zoning Districts:
2,327 parcels · 12 districts
RA
69%(1,598)
RB
14%(319)
RAR
7%(173)
RAP
6%(140)
Other
4%(97)

ADU Rules

What can you build in Dunellen Borough, NJ?

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

Max Units

  • 0 ADUs per lot (not permitted)

Owner Occupancy

  • No owner-occupancy requirement

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.

Middlesex County

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