ADUs are allowed in Ewing TownshipTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Ewing Township, NJ
Is your property eligible for an ADU?
# of Properties
14,621
Owner-occupied
84%
Zoning districts
33
Avg Home Value
$241,060
Median Lot Size
0.15 acres
Avg Income
$95,923
Residential Types:
14,621 housing units
2-3 Family
92%
Other
8%
Zoning Districts:
16,026 parcels · 33 districts
R-2
63%(10,154)
R-1
18%(2,821)
R-TH
3%(514)
RME
3%(439)
Other
13%(2,098)
ADU Rules
What can you build in Ewing Township, NJ?
Ewing Township, NJ follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: Not addressed in the local bylaw
Interior / Attached ADU Size Limits
- –Maximum size of an internal/attached accessory apartment is 25% of the available living floor space of a single-family dwelling.
Owner Occupancy
- –Residence must be owner-occupied.
Parking
- –2 off-street spaces per dwelling unit; no ADU-specific standard; RSIS may supersede local standards; Planning Board may approve banked parking; rental premises require 1 off-street space per licensed driver.
Rental Restrictions
- –No rent or any fee may be imposed or collected for either unit during the accessory apartment permit term.
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.
Mercer County