ADUs are allowed in Delaware TownshipTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Delaware Township, NJ
Is your property eligible for an ADU?
# of Properties
1,566
Owner-occupied
72%
Zoning districts
11
Avg Home Value
$367,593
Median Lot Size
3.03 acres
Avg Income
$193,097
Residential Types:
1,566 housing units
Condos
5%
Other
95%
Zoning Districts:
2,348 parcels · 11 districts
A-1
57%(1,338)
A-2
36%(835)
V-1
6%(133)
V-2
1%(23)
Other
1%(19)
ADU Rules
What can you build in Delaware Township, NJ?
Delaware 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 of 1,200 sq ft of gross floor area for an internal or attached accessory apartment (excluding garage space).
Detached ADU Size Limits
- –Maximum detached ADU area of 1,200 sq ft (excluding garage space); in the V-1 zone the cap is 750 sq ft.
Max Units
- –Accessory apartments: up to 1 per lot if <2× min lot area; up to 2 per lot if ≥2× min lot area.
- –Conversions (Accessory building): V-1/V-2 zones max 1 additional dwelling unit per qualifying lot; A-1/A-2 zones max 2 additional dwelling units per qualifying lot.
- –Farm rental units (A-1/A-2): max 3 per lot; max 1 per 35 acres.
Owner Occupancy
- –Owner must reside in the converted dwelling unit or principal dwelling.
Parking
- –1 off-street space per ADU; principal dwelling parking cannot drop below 2 spaces. Exceptions: new ADU driveways/spaces must be set back at least 5 ft from side/rear property lines and screened; conversions require appropriate off-street parking located out of sight of public roads where feasible.
Rental Restrictions
- –ADUs must be rented as moderate-income units under COAH with restricted rents; a 10-year affordable deed restriction; affirmative marketing by the Township’s Affordable Housing Administrative Agent; leases must be executed in the Agent’s presence and witnessed.
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.
Hunterdon County
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