ADU rules for Allentown Borough
Accessory Dwelling Unit (ADU) Rules for Allentown Borough, NJ
Is your property eligible for an ADU?
# of Properties
77
Owner-occupied
43%
Zoning districts
19
Avg Home Value
$554,377
Median Lot Size
0.25 acres
Avg Income
$120,714
Residential Types:
77 housing units
Single Family
40%
Apts (4+ units)
57%
Other
3%
Zoning Districts:
876 parcels · 19 districts
R-10
18%(157)
R-6
17%(152)
AR
15%(134)
HR-5
13%(112)
Other
37%(321)
ADU Rules
What can you build in Allentown Borough, NJ?
Allentown 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
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.
Monmouth County
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