ADUs are allowed in Monroe Township (Middlesex)Types:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Monroe Township (Middlesex), NJ
Is your property eligible for an ADU?
# of Properties
14,478
Owner-occupied
70%
Zoning districts
39
Avg Home Value
$379,629
Median Lot Size
0.06 acres
Avg Income
$143,675
Residential Types:
14,478 housing units
Single Family
5%
2-3 Family
90%
Apts (4+ units)
1%
Other
4%
Zoning Districts:
33,403 parcels · 39 districts
PRC
25%(8,244)
R30
15%(5,085)
RR-FLP
13%(4,387)
PRC-2
9%(3,023)
Other
38%(12,664)
ADU Rules
What can you build in Monroe Township (Middlesex), NJ?
Monroe Township (Middlesex), 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 of 1,000 sq ft or one-third of the principal dwelling’s living space, whichever is less.
Detached ADU Size Limits
- –Maximum ADU size of 1,000 sq ft
- –Maximum ADU size of one-third of the principal dwelling’s living space
Max Units
- –Single-family detached: 1 ADU per lot (within principal or in accessory building)
Owner Occupancy
- –Property owner must occupy either the principal dwelling or ADU as residence
Parking
- –1 off-street space per vehicle registered to occupants of the one-bedroom ADU (in addition to principal-dwelling parking); max: none; ADUs limited to 1 bedroom; generally must comply with current parking standards
Rental Restrictions
- –Short-term use prohibited (<12 months); renting the non-owner-occupied unit is prohibited (owner-occupancy required).
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.
Middlesex County
Carteret BoroughCranbury TownshipDunellen BoroughEast Brunswick TownshipEdison TownshipHelmetta BoroughHighland Park BoroughMetuchen BoroughMiddlesex BoroughMilltown BoroughNew BrunswickNorth Brunswick TownshipOld Bridge TownshipPerth AmboyPiscataway TownshipPlainsboro TownshipSayreville BoroughSouth AmboySouth Brunswick TownshipSouth Plainfield BoroughSouth River BoroughSpotswood BoroughWoodbridge Township