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ADUs are allowed in Jersey City
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Accessory Dwelling Unit (ADU) Rules for Jersey City, NJ

Is your property eligible for an ADU?

# of Properties
55,923
Owner-occupied
36%
Zoning districts
276
Avg Home Value
$867,055
Median Lot Size
0.05 acres
Avg Income
$118,392
Residential Types:
55,923 housing units
Single Family
11%
2-3 Family
77%
Apts (4+ units)
9%
Other
3%
Zoning Districts:
60,872 parcels · 276 districts
R-1
43%(25,931)
H
6%(3,457)
R-3
4%(2,617)
RDP-53
3%(1,938)
Other
44%(26,929)

ADU Rules

What can you build in Jersey City, NJ?

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

Max Units

  • 1 ADU per lot (accessory structure only)

Owner Occupancy

  • No owner-occupancy requirement.

Parking

  • 0 spaces/ADU; ADUs exempt from minimum; no max stated; other residential minimums apply to principal dwellings; zone rules still apply.

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.

Hudson County