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ADU rules for Green Brook Township

Accessory Dwelling Unit (ADU) Rules for Green Brook Township, NJ

Is your property eligible for an ADU?

# of Properties
2,731
Owner-occupied
79%
Zoning districts
25
Avg Home Value
$734,000
Median Lot Size
0.42 acres
Avg Income
$191,184
Residential Types:
2,731 housing units
Single Family
4%
2-3 Family
86%
Apts (4+ units)
6%
Condos
3%
Zoning Districts:
2,875 parcels · 25 districts
MD
24%(685)
SMD
13%(375)
AHD
12%(336)
LD-3
12%(334)
Other
40%(1,145)

ADU Rules

What can you build in Green Brook Township, NJ?

Green Brook Township, 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 (single-family; non-AHD districts)

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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How can we help you?

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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.

Somerset County

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