NJ chicken rules · Warren County
Can you keep chickens in Mansfield Township (Warren), NJ?
Yes. Mansfield Township in Warren County permits keeping fowl. On a lot of 40,000 sq ft (about 0.9 acre) or more it's a by-right accessory use; on smaller lots it's a conditional use that needs Planning Board site-plan approval. Livestock must be fenced.
The rules at a glance
| Chickens allowed | Yes, with conditions |
| Hens | No stated numeric limit |
| Roosters | Not specified |
| Permit | By-right on 40,000+ sq ft; Planning Board approval required below that |
| Coop setback | Livestock kept within fenced enclosures; accessory-structure setbacks apply |
| Lot size | 40,000 sq ft is the threshold between by-right and conditional use |
Good to know
- This is the Warren County Mansfield (Ch. 363 zoning) — not the Burlington County one, which has different rules.
- Farms are a permitted use; livestock rules don't apply to house pets.
Source: Mansfield Township (Warren) Zoning Code (eCode360), Ch. 363, §§ 363-24 to 363-26 — view the ordinance
Verified 2026-09. Ordinances change and zoning can differ by district — always confirm the current rules with the Mansfield Township (Warren) clerk or zoning office before you build.
Building a coop in Mansfield Township (Warren)?
Triano Farms builds custom, predator-proof chicken coops on-site across WarrenCounty and all of New Jersey, sized to your flock and built to your town's rules.
New to this? Start with how to raise chickens in NJ, or what a coop costs.
Ready to keep your flock safe?
Tell us about your animals and your land. We'll design a coop built to last, on-site, just for you.