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
2,359
Owner-occupied
48%
Zoning districts
76
Avg Home Value
$544,782
Median Lot Size
0.22 acres
Avg Income
$145,862
Residential Types:
2,359 housing units
Single Family
71%
Apts (4+ units)
27%
Other
2%
Zoning Districts:
26,668 parcels · 76 districts
R-22
22%(5,964)
R-10
19%(5,143)
R-30
10%(2,619)
R-7
8%(2,166)
Other
40%(10,776)
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 size may not exceed the gross floor area of the principal dwelling
Detached ADU Size Limits
- –Maximum ADU size cannot exceed the gross floor area of the existing principal dwelling
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
- –ADU rentals must be to a low- or moderate-income household for at least 10 years from initial occupancy; rents must meet COAH/UHAC affordability.
- –Deed restriction limits subsequent rental or sale; written leases 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