ADUs are allowed in Blairstown TownshipTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Blairstown Township, NJ
Is your property eligible for an ADU?
# of Properties
297
Owner-occupied
19%
Zoning districts
12
Avg Home Value
$238,659
Median Lot Size
1.19 acres
Avg Income
$120,136
Residential Types:
297 housing units
Single Family
61%
Apts (4+ units)
39%
Zoning Districts:
2,731 parcels · 12 districts
R-5
88%(2,395)
VN
4%(97)
VR
3%(79)
HC-2
2%(52)
Other
4%(108)
ADU Rules
What can you build in Blairstown Township, NJ?
Blairstown Township, NJ follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Not permitted
Max Units
- –1 affordable accessory apartment per residential lot
Parking
- –No numeric ADU parking ratio; applicants must show the required parking spaces for both dwelling units on the site sketch and comply with general design standards in §19-511.
Rental Restrictions
- –ADUs must be rented only to low- or moderate-income households at initial occupancy and for 10 years (income-restricted per UHAC); deed restrictions run with the land. Written leases required; administrative agent sets rents and rent increases; no add-on fees beyond approved rent; application fees capped at 5% of monthly rent.
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.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs
Is your property eligible for an ADU?
ADU rules in other New Jersey municipalities
Rules change at the town line. Check the municipality your property is actually in.
Warren County