ADUs are allowed in Closter BoroughTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Closter Borough, NJ
Is your property eligible for an ADU?
# of Properties
367
Owner-occupied
14%
Zoning districts
17
Avg Home Value
$1,492,508
Median Lot Size
0.35 acres
Avg Income
$184,876
Residential Types:
367 housing units
Single Family
16%
Apts (4+ units)
47%
Condos
36%
Zoning Districts:
3,381 parcels · 17 districts
DISTRICT-2
56%(1,886)
DISTRICT-1
33%(1,132)
DISTRICT-3A
3%(89)
DISTRICT-7
2%(66)
Other
6%(208)
ADU Rules
What can you build in Closter Borough, NJ?
Closter 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 of 1,200 sq ft for internal/attached accessory apartment within a single-family dwelling
Max Units
- –Internal/attached ADU: max 1,200 sq ft; no per-lot cap stated.
- –Detached ADU: 0 per lot (prohibited).
Parking
- –No numeric ADU parking minimums or maximums; plan showing required parking spaces for both dwelling units is required.
Rental Restrictions
- –Attached ADU must be rented only to low- or moderate-income households for at least 10 years from initial occupancy, with a 10-year deed restriction running with the land.
- –Rents must be COAH/UHAC-affordable and include a utility allowance; a written lease is required and application fees capped at 5% of one month’s rent.
- –Restricted units may be rented only to certified households; subleasing does not remove affordability controls.
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.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs
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
Allendale BoroughAlpine BoroughBergenfield BoroughBogota BoroughCarlstadt BoroughCliffside Park BoroughCresskill BoroughDemarest BoroughDumont BoroughEast Rutherford BoroughEdgewater BoroughElmwood Park BoroughEmerson BoroughEnglewoodEnglewood Cliffs BoroughFair Lawn BoroughFairview BoroughFort Lee BoroughFranklin Lakes BoroughGarfieldGlen Rock BoroughHackensackHarrington Park BoroughHasbrouck Heights Borough