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 |
| Ducks | Same rules as chickens |
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.
What about ducks?
Ducks are treated like chickens. Mansfield regulates fowl together with other farm livestock, allowed as an accessory use on lots of 40,000 square feet or more, fenced in, with shelters meeting the setback rules.
§§ 363-24A, 363-25E; § 123-26A: "if ponies, horses, cows, sheep, fowl of other farm livestock are kept on the farm, and a building is provided for the shelter and care of such animals" Duck coops we build.
Building a coop in Mansfield Township (Warren)?
Triano Farms builds custom, predator-proof chicken coops on-site across Warren County and all of New Jersey, sized to your flock and built to your town's rules.
In an HOA? The town allowing hens is not the same as your association allowing them. What an HOA can and cannot stop.
New to this? Start with how to raise chickens in NJ, or what a coop costs.
Chicken rules in nearby Warren County towns
Compare them side by side in the Warren County table.
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.