

ADUs are allowed in Alpha BoroughTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Alpha Borough, NJ
Is your property eligible for an ADU?
# of Properties
104
Owner-occupied
15%
Zoning districts
14
Avg Home Value
$357,378
Median Lot Size
0.28 acres
Avg Income
$92,139
Residential Types:
113 housing units
Single Family
42%
Apts (4+ units)
50%
Condos
8%
Zoning Districts:
1,122 parcels · 14 districts
R-4
68%(759)
AH
8%(87)
B-2
6%(64)
R-5
5%(61)
Other
13%(151)
ADU Rules
What can you build in Alpha Borough, NJ?
Alpha Borough, 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: Not addressed in the local bylaw
Max Units
- –Detached ADU: 0 per lot (prohibited)
Parking
- –2 off-street spaces per dwelling unit; no max; ADUs must have parking on the same lot; driveways (min 8 ft wide) may count; LU Board may reduce paved parking area if full required area is shown on site plan.
Rental Restrictions
- –Detached ADU rental prohibited; No accessory structure shall be used as a dwelling.
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