

ADUs are allowed in Stillwater TownshipTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Stillwater Township, NJ
Is your property eligible for an ADU?
# of Properties
2,212
Owner-occupied
59%
Zoning districts
10
Avg Home Value
$179,665
Median Lot Size
0.86 acres
Avg Income
$114,733
Residential Types:
2,212 housing units
Single Family
24%
2-3 Family
75%
Other
1%
Zoning Districts:
2,650 parcels · 10 districts
R-7.5
45%(1,182)
R-5
26%(695)
R-30
17%(454)
RC
6%(163)
Other
6%(156)
ADU Rules
What can you build in Stillwater Township, NJ?
Stillwater Township, 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
Owner Occupancy
- –Owner must occupy the property; ADU occupant must be a family member.
Parking
- –2 spaces per dwelling unit minimum; no ADU-specific rate or waiver; accessory housing requires adequate on-site parking; RSIS applies
Rental Restrictions
- –Detached ADUs: occupant must be a family member; unit cannot be rented to the public; must be owned by a nonprofit or governmental entity. Attached ADUs: only relatives may inhabit; no other occupants (two persons + a caretaker).
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.
Sussex County
Andover BoroughAndover TownshipBranchville BoroughByram TownshipFrankford TownshipFredon TownshipGreen TownshipHamburg BoroughHardyston TownshipHopatcong BoroughLafayette TownshipMontague TownshipNewtonOgdensburg BoroughSandyston TownshipSparta TownshipStanhope BoroughSussex BoroughVernon TownshipWantage Township