ADU rules for Leonia Borough
Accessory Dwelling Unit (ADU) Rules for Leonia Borough, NJ
Is your property eligible for an ADU?
# of Properties
225
Owner-occupied
23%
Zoning districts
20
Avg Home Value
$946,767
Median Lot Size
0.17 acres
Avg Income
$126,911
Residential Types:
225 housing units
Single Family
21%
Apts (4+ units)
31%
Condos
48%
Zoning Districts:
2,964 parcels · 20 districts
A-3
58%(1,715)
B
18%(528)
A-2
8%(233)
A-1
4%(128)
Other
12%(360)
ADU Rules
What can you build in Leonia Borough, NJ?
Leonia Borough, NJ follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not addressed in the local bylaw
Rental Restrictions
- –Renting impermissible ADU units is prohibited (units lacking CO/permits or exceeding allowed unit counts).
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.
Bergen County
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