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ADUs are allowed in Passaic
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Passaic, NJ

Is your property eligible for an ADU?

# of Properties
7,499
Owner-occupied
46%
Zoning districts
16
Avg Home Value
$382,059
Median Lot Size
0.10 acres
Avg Income
$68,710
Residential Types:
7,499 housing units
Single Family
2%
2-3 Family
75%
Apts (4+ units)
6%
Condos
2%
Other
15%
Zoning Districts:
8,052 parcels · 16 districts
R-3
44%(3,577)
R-2
16%(1,256)
R-1
13%(1,085)
R-1A
6%(464)
Other
21%(1,670)

ADU Rules

What can you build in Passaic, NJ?

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

Interior / Attached ADU Size Limits

  • Maximum size of 50% of the principal dwelling unit’s living area for an internal/attached ADU.

Detached ADU Size Limits

  • Detached ADUs (backyard cottages) are not authorized; maximum permitted area is 0 sq ft.

Max Units

  • 1 ADU per lot (one- or two-family principal residence)

Owner Occupancy

  • Owner occupancy is not required.

Parking

  • No ADU-specific min/max; cannot eliminate existing on-site parking; 2 off-street spaces per dwelling unit for 1- and 2-family dwellings; no separate ADU spaces.

Rental Restrictions

  • 20-year deed-restricted affordability: rents capped to HUD limits; tenant income limits apply.
  • Short-term rentals prohibited; ADU must be residential (no transient occupancy).

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.

Passaic County

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