ADUs are allowed in Caldwell BoroughTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Caldwell Borough, NJ
Is your property eligible for an ADU?
# of Properties
263
Owner-occupied
26%
Zoning districts
17
Avg Home Value
$890,387
Median Lot Size
0.20 acres
Avg Income
$118,230
Residential Types:
263 housing units
Single Family
10%
2-3 Family
9%
Apts (4+ units)
67%
Condos
14%
Zoning Districts:
2,226 parcels · 17 districts
R-A
60%(1,334)
R-D
12%(273)
B
9%(204)
R-B
9%(202)
Other
10%(213)
ADU Rules
What can you build in Caldwell Borough, NJ?
Caldwell 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 permitted
Parking
- –2 spaces per ADU; driveway 40 ft+ counts as 2 spaces, driveway <40 ft counts as 1 space; Planning Board may waive spaces if unnecessary or excessive
Rental Restrictions
- –Rentals restricted to income-eligible households for at least 10 years from initial occupancy; a recorded deed/covenant limits subsequent rentals during the control period; rents set using the affordable rental methodology.
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.
Essex County
Belleville TownshipBloomfield TownshipCedar Grove TownshipCity Of Orange TownshipEast OrangeEssex Fells BoroughFairfield Township (Essex)Glen Ridge BoroughIrvington TownshipLivingston TownshipMaplewood TownshipMillburn TownshipMontclair TownshipNewarkNorth Caldwell BoroughNutley TownshipRoseland BoroughSouth Orange VillageVerona TownshipWest Caldwell TownshipWest Orange Township