ADUs are allowed in Demarest BoroughTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Demarest Borough, NJ
Is your property eligible for an ADU?
# of Properties
91
Owner-occupied
33%
Zoning districts
13
Avg Home Value
$1,827,676
Median Lot Size
0.57 acres
Avg Income
$182,799
Residential Types:
91 housing units
Single Family
24%
Apts (4+ units)
11%
Condos
65%
Zoning Districts:
2,002 parcels · 13 districts
R-D
54%(1,072)
R-C
16%(330)
R-B
11%(213)
R-A
8%(160)
Other
11%(227)
ADU Rules
What can you build in Demarest Borough, NJ?
Demarest Borough, NJ follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: Not permitted
Interior / Attached ADU Size Limits
- –Maximum size up to the gross floor area of the existing principal dwelling
Parking
- –4 spaces total (2 per unit); driveway may substitute for a space; must show parking for both units.
Rental Restrictions
- –ADUs must be rented only to income-qualified households for at least 10 years from initial occupancy; rents must be affordable with a written lease; a deed covenant runs with the land.
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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