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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 Chester 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.
We've mapped Chester Twp's residential zoning. An ADU on your lot follows the town's accessory-structure standards: check your specific address for the exact size, height, and setback it allows.
Source: Part 5, Section 113-243 · https://ecode360.com/CH1594 (via Composite Zoning 2024 (NJ), ArcGIS FeatureServer, accessed 2026-08-11)
From 1,685 real Chester Twp permits in the New Jersey DCA record. The largest group, international residential code, takes a median of 38 days from filing to issue (n=1,281). This is elapsed time, not review hours: it includes the waiting and the corrections.
| Project type | Permits | Fastest 25% | Median | Slowest 25% |
|---|---|---|---|---|
| International Residential Code | 1,281 | 19d | 38d | 97d |
| Accessory buildings and miscellaneous structures | 374 | 21d | 53d | 141d |
| Business Uses | 20 | 21d | 125d | 214d |
| Educational | 10 | 22d | 91d | 216d |
New Jersey has no single statewide ADU law. Each of the state's 564 municipalities, Chester Twp (Morris County, NJ) included, sets its own zoning for accessory dwelling units (granny flats, in-law suites, backyard homes). Whether you can build one in Chester Twp, how big, and how tall depends on the town's ordinance and your specific lot. We've mapped Chester Twp's residential zoning: buildings are capped around 35 ft / 2.5 stories. Your ADU follows the town's accessory-structure standards on top of that.
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Explore all modelsChester Twp sets its own ADU rules, and we've mapped its residential zoning. Whether your specific lot qualifies, and how big an ADU it allows, comes down to your parcel's size, setbacks, and the accessory-structure standards. Check your Chester Twp address to see for sure, free.
A detached ADU in Chester 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 Chester Twp property without paying the build cost up front, and the rent helps carry the loan.
Some NJ towns require owner-occupancy; others (like Jersey City) don't. We check Chester Twp's specific ordinance for you when you run your address.
Enter your address and we read Chester Twp’s zoning against your parcel and tell you if an ADU fits, how big, and what it could earn. Free.
Check if your Chester Twp lot qualifies, free
