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ADUs are allowed in Rockleigh Borough
Types:DetachedInternal

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

Is your property eligible for an ADU?

# of Properties
36
Owner-occupied
25%
Zoning districts
7
Avg Home Value
$5,592,131
Median Lot Size
5.00 acres
Avg Income
$95,393
Residential Types:
36 housing units
Single Family
22%
Apts (4+ units)
42%
Condos
36%
Zoning Districts:
111 parcels · 7 districts
A
48%(53)
A-HF
17%(19)
C
14%(15)
A-AH
12%(13)
Other
10%(11)

ADU Rules

What can you build in Rockleigh Borough, NJ?

Rockleigh Borough, 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 ADU size no larger than the main dwelling’s total floor area

Max Units

  • 1 ADU per single-family building; cap: 5 town-wide approvals.
  • 0 ADUs on lots with more than one dwelling unit.

Owner Occupancy

  • Owner must occupy a dwelling unit on the lot as full-time residence.

Parking

  • 2 off-street spaces per dwelling unit; no maximum stated; additional parking areas must be paved only when proven necessary and screened and buffered from adjacent properties to the extent possible.

Rental Restrictions

  • Renter eligibility restricted to occupants meeting COAH income limits (moderate or very low income).

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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