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An accessory dwelling unit (ADU), a granny flat, in-law suite, or backyard home, can add rental income or family space. Whether Teaneck 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.
We have not sourced Teaneck's zoning ordinance or its ADU rules yet, so we cannot say what Teaneck permits on your lot. That is our gap, not Teaneck's. Run your address to see what we hold for it today.
Sources: DERIVED, not stated: Teaneck Article IX sets no storey limit; 33-56(i) caps a detached ADU at 24 feet, and 33-56(j) expressly allows an ADU 'constructed above a permitted detached accessory structure', i.e. a second storey over a garage. Recorded as 2 so the engine does not fall back to its silent 1-storey default.; Township of Teaneck Code Chapter 33 (Development Regulations), Article IX 'Accessory Dwelling Units', Sections 33-54 to 33-62, '[Added by Ord. No. 6-2025, 2-11-2025]'; Sections 33-55 (definitions), 33-56 (requirements) and 33-61 (inspections) '[Amended by Ord. No. 32-2025, 9-9-2025]'. Codified text read 2026-10-08 on ecode360; the ecode360 New Laws list that day showed no pending ordinance affecting Chapter 33. Earlier drafts Ord 39-2023 and 45-2023 (introduced, ecode360 LF1987867 / LF1987866) are NOT the adopted law and were not used for values.; Teaneck Code 33-56(e): 'The total floor area of an attached ADU shall not exceed 40% of the floor area of the PDU, or to a maximum floor area of 800 square feet, whichever is greater'. Because it is 'whichever is greater', 800 sf is the minimum the cap ever allows, and a PDU over 2,000 sf allows 40% of its floor area; recorded as 800 only so a 'whichever is less' reader does not under-size large homes. Applies to attached ADUs only.
See exactly what your lot allowsNew Jersey has no single statewide ADU law. Each of the state's 564 municipalities, Teaneck (Bergen County, NJ) included, sets its own zoning for accessory dwelling units (granny flats, in-law suites, backyard homes). Whether you can build one in Teaneck, how big, and how tall depends on the town's ordinance and your specific lot. We have not sourced Teaneck's zoning ordinance yet, so we cannot tell you what Teaneck permits on your lot. That is a gap in our record, not a finding about Teaneck. What we can do today is measure the lot itself: its dimensions, what already sits on it, and its flood exposure.
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Explore all modelsTeaneck 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 Teaneck's ordinance yet, so we cannot confirm what it permits. Run your Teaneck address and we will show you what we do hold for that lot, and say plainly what we do not.
A detached ADU in Teaneck typically runs $150,000 to $300,000+ all-in depending on size, site, and finishes. The build is financed and the rent helps carry the loan. You own the home.
Some NJ towns require owner-occupancy; others (like Jersey City) don't. We check Teaneck's specific ordinance for you when you run your address.
Enter your address and we read Teaneck’s zoning against your parcel and tell you if an ADU fits, how big, and what it could earn. Free.
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