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NJ chicken rules · Mercer County

Can you keep chickens in Township of Hamilton, NJ?

Hamilton lets you keep poultry, but a coop or pen can't sit within 100 feet of any door or window of a dwelling, and a real per-bird allowance (100 fowl per 1/4 acre) exists only in the rural RRC zone, so a normal suburban lot is tightly constrained.

The rules at a glance

Chickens allowedYes, with conditions
HensNo set count on a typical lot; the RRC rural zone allows up to 100 fowl per 1/4 acre
RoostersNot addressed
PermitNone required by the animal code
Coop setbackNo coop or pen within 100 ft of any door or window of a dwelling; in the RRC zone, 200 ft from every property line
Lot sizeNo general minimum; RRC density is measured per 1/4 acre
DucksSame rules as chickens

Good to know

  • The animals chapter is otherwise a dog/cat code; its only poultry rule is the 100-ft setback and sanitation clause.
  • The 100-fowl-per-quarter-acre figure is a zoning agriculture provision for the RRC zone, not a small-lot backyard right.
  • This is Hamilton Township in Mercer County (08609), not Hamilton Township in Atlantic County.

What about ducks?

Ducks are treated like chickens. Hamilton's rules cover poultry and fowl in general: coops and pens must be at least 100 feet from any door or window of a dwelling, and in the RRC zone up to 100 fowl per quarter acre may be kept 200 feet from property lines.

§ 108-5; § 550-73: "No person shall erect, construct or maintain within the Township any shed, coop, runway or pen, for horses, swine, sheep, goats, rabbits, poultry or pigeons, which is nearer than 100 feet to any door or window of a dwelling" Duck coops we build.

Source: Township of Hamilton (Mercer Co.) Code, Ch. 108 Animals & Zoning (eCode360), § 108-5; Zoning Art. III, RRC Zone (view the ordinance)
Verified 2026-09. Ordinances change and zoning can differ by district; always confirm the current rules with the Township of Hamilton clerk or zoning office before you build.

Building a coop in Township of Hamilton?

Triano Farms builds custom, predator-proof chicken coops on-site across Mercer County and all of New Jersey, sized to your flock and built to your town's rules.

Get a free quoteSee our coops

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.

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.

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