ADUs are allowed in Flemington BoroughTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Flemington Borough, NJ
Is your property eligible for an ADU?
# of Properties
877
Owner-occupied
66%
Zoning districts
22
Avg Home Value
$479,885
Median Lot Size
0.23 acres
Avg Income
$86,922
Residential Types:
877 housing units
Condos
5%
Other
95%
Zoning Districts:
1,180 parcels · 22 districts
SF
40%(473)
TR
22%(263)
DB
9%(108)
TC
6%(69)
Other
23%(267)
ADU Rules
What can you build in Flemington Borough, NJ?
Flemington 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
- –1 accessory apartment per lot
Owner Occupancy
- –Owner must reside in the primary dwelling
Parking
- –1 off-street space per ADU; applies as a conditional use in the SF District; general parking provisions allow on-street credit and shared reductions (not ADU-specific).
Rental Restrictions
- –Attached/Internal ADU: must be rented only to a low- or moderate-income household at initial occupancy; 10-year affordability deed restriction; rents must be affordable and include a utility allowance. Detached ADU: no explicit rental restrictions stated.
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.
Hunterdon County
Alexandria TownshipBethlehem TownshipBloomsbury BoroughCalifon BoroughClintonDelaware TownshipEast Amwell TownshipFranklin Township (Hunterdon)Frenchtown BoroughGlen Gardner BoroughHampton BoroughHigh Bridge BoroughHolland TownshipKingwood TownshipLambertvilleLebanon BoroughMilford BoroughReadington TownshipTewksbury TownshipUnion Township (Hunterdon)West Amwell Township