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ADUs are allowed in Alpha Borough
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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.

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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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.

Warren County

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