ADUs are allowed in Shrewsbury BoroughTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Shrewsbury Borough, NJ
Is your property eligible for an ADU?
# of Properties
297
Owner-occupied
69%
Zoning districts
18
Avg Home Value
$1,425,080
Median Lot Size
0.33 acres
Avg Income
$144,531
Residential Types:
297 housing units
Single Family
41%
Apts (4+ units)
59%
Zoning Districts:
1,706 parcels · 18 districts
R-3
26%(441)
R-4
16%(268)
R-1
14%(244)
R-1A
11%(189)
Other
33%(564)
ADU Rules
What can you build in Shrewsbury Borough, NJ?
Shrewsbury Borough, 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: Conditional Use Permit
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –Off-street parking per RSIS (N.J.A.C. 5:21); no numeric min/max; parking must be shared with nonresidential uses and be conveniently located and adequately illuminated
Rental Restrictions
- –For ADUs under the affordable housing program: must be rented only to income-eligible households for at least 10 years with deed restrictions on subsequent rental; rents/leases regulated by the administrative agent.
- –Tenants must occupy the unit as their principal residence for at least 260 days per year (prohibits short-term/vacation rentals).
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.
Monmouth County
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