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ADUs are allowed in Kinnelon Borough
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.

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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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.

Morris County

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