ADUs are allowed in Frelinghuysen TownshipTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Frelinghuysen Township, NJ
Is your property eligible for an ADU?
# of Properties
134
Owner-occupied
16%
Zoning districts
8
Avg Home Value
$243,871
Median Lot Size
3.06 acres
Avg Income
$122,685
Residential Types:
134 housing units
Single Family
84%
Apts (4+ units)
16%
Zoning Districts:
1,203 parcels · 8 districts
AR-6
84%(1,014)
VN-1
8%(102)
VN-2
3%(33)
NC
2%(22)
Other
3%(32)
ADU Rules
What can you build in Frelinghuysen Township, NJ?
Frelinghuysen Township, NJ follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
Interior / Attached ADU Size Limits
- –Maximum size of 25% of the existing dwelling’s net habitable floor area
Detached ADU Size Limits
- –Maximum size of 25% of the existing dwelling’s habitable floor area
Max Units
- –Legacy AR-3/AR-4 zones: 1 per lot
Owner Occupancy
- –No owner-occupancy restriction.
Parking
- –2 spaces per ADU; driveway of a single-family dwelling may count as a required space; no waivers stated
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.
Warren County