

ADUs are allowed in Kinnelon BoroughTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Kinnelon Borough, NJ
Is your property eligible for an ADU?
# of Properties
3,759
Owner-occupied
87%
Zoning districts
8
Avg Home Value
$554,658
Median Lot Size
1.19 acres
Avg Income
$186,495
Residential Types:
3,759 housing units
Other
100%
Zoning Districts:
3,937 parcels · 8 districts
A
95%(3,755)
AH
2%(87)
RC
1%(46)
C
1%(38)
Other
0%(11)
ADU Rules
What can you build in Kinnelon Borough, NJ?
Kinnelon 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: By Right
Interior / Attached ADU Size Limits
- –Maximum internal ADU size cannot exceed the gross floor area of the existing principal dwelling.
Detached ADU Size Limits
- –Maximum detached ADU size shall not exceed the gross floor area of the existing principal dwelling on the lot.
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –1 space/ADU; max not specified; off-street parking on the same lot; stalls 18 ft by 10 ft; no 3-space minimum for dwellings; accessory-apartment applications must show required spaces for both units; must not encroach on required yards.
Rental Restrictions
- –Must rent to very-low-, low-, or moderate-income households for at least 10 years with deed restrictions; rents must remain affordable.
- –Rents set by the administrative agent; written lease required; tenants income-certified; application fees capped at 5% of monthly rent; affordability persists on sublease/assignment.
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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ADU rules in other New Jersey municipalities
Rules change at the town line. Check the municipality your property is actually in.
Morris County
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