ADUs are allowed in Middletown TownshipTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Middletown Township, NJ
Is your property eligible for an ADU?
# of Properties
2,362
Owner-occupied
48%
Zoning districts
77
Avg Home Value
$545,075
Median Lot Size
0.23 acres
Avg Income
$145,846
Residential Types:
2,362 housing units
Single Family
71%
Apts (4+ units)
27%
Other
2%
Zoning Districts:
27,095 parcels · 77 districts
R-22
22%(6,007)
R-10
19%(5,150)
R-30
10%(2,673)
R-7
8%(2,171)
Other
41%(11,094)
ADU Rules
What can you build in Middletown Township, NJ?
Middletown 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: By Right
Interior / Attached ADU Size Limits
- –Maximum ADU size may not exceed the gross floor area of the existing principal dwelling
Detached ADU Size Limits
- –Maximum size not to exceed the gross floor area of the existing principal dwelling
Max Units
- –Domestic employee/farmworker ADUs: 1 per 100,000 sq ft lot area (max 3/lot); ≤1 attached/internal
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –1 space per ADU; 2 spaces if the ADU has 2 bedrooms (two-bedroom ADUs allowed only on lots >30,000 sq ft). Parking may be on an adjacent lot with a 10-year lease guarantee; cannot reduce the principal dwelling’s parking below 2 spaces.
Rental Restrictions
- –Must be rented to low/mod income for at least 10 years, with COAH/UHAC rent limits and a deed restriction; written lease required for restricted 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
Aberdeen TownshipAllenhurst BoroughAllentown BoroughAsbury ParkAtlantic Highlands BoroughAvon By The Sea BoroughBelmar BoroughBradley Beach BoroughBrielle BoroughColts Neck TownshipDeal BoroughEatontown BoroughEnglishtown BoroughFair Haven BoroughFarmingdale BoroughFreehold BoroughFreehold TownshipHazlet TownshipHighlands BoroughHolmdel TownshipHowell TownshipInterlaken BoroughKeansburg BoroughKeyport Borough