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Union Twp · New Jersey
Can you build an ADU in Union Twp, NJ?
An accessory dwelling unit (ADU), a granny flat, in-law suite, or backyard home, can add rental income or family space. Whether Union Twp allows one, and how big, comes down to the town’s zoning and your specific lot. Here’s what we know, and how to check yours.
Union Twp zoning & ADU rules
We have not sourced Union Twp's zoning ordinance or its ADU rules yet, so we cannot say what Union Twp permits on your lot. That is our gap, not Union Twp's. Run your address to see what we hold for it today.
Accessory dwelling units (ADUs) in Union Twp, New Jersey
New Jersey has no single statewide ADU law. Each of the state's 564 municipalities, Union Twp (NJ) included, sets its own zoning for accessory dwelling units (granny flats, in-law suites, backyard homes). Whether you can build one in Union Twp, how big, and how tall depends on the town's ordinance and your specific lot. We have not sourced Union Twp's zoning ordinance yet, so we cannot tell you what Union Twp permits on your lot. That is a gap in our record, not a finding about Union Twp. What we can do today is measure the lot itself: its dimensions, what already sits on it, and its flood exposure.
Backyard homes that could fit a Union Twp lot
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ADU FAQ
Can I build an ADU in Union Twp, NJ?
Union Twp sets its own ADU rules under New Jersey's home-rule system. Many NJ towns allow ADUs by right in residential zones; some require a variance. We have not sourced Union Twp's ordinance yet, so we cannot confirm what it permits. Run your Union Twp address and we will show you what we do hold for that lot, and say plainly what we do not.
How much does an ADU cost in Union Twp?
A detached ADU in Union Twp typically runs $150,000 to $300,000+ all-in depending on size, site, and finishes. Because the build is financed, you can add rental income to your Union Twp property without paying the build cost up front, and the rent helps carry the loan.
Do I need to live on-site to build an ADU in Union Twp?
Some NJ towns require owner-occupancy; others (like Jersey City) don't. We check Union Twp's specific ordinance for you when you run your address.
See exactly what your Union Twp lot allows
Enter your address and we read Union Twp’s zoning against your parcel and tell you if an ADU fits, how big, and what it could earn. Free.
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