Can I keep chickens in O'Fallon, MO?
No — O'Fallon does not allow backyard chickens in residential zones. (Code of Ordinances Sec. 210.170 (Ch. 210, Animal Control), verified June 2026)
The full rules
| Chickens allowed | No |
|---|---|
| Coop rules | Poultry (including chickens) is permitted only in agricultural zoning districts as allowed by applicable zoning regulations; not permitted in residential zones. |
| Code section | Code of Ordinances Sec. 210.170 (Ch. 210, Animal Control) |
O'Fallon's animal control code permits the keeping of poultry, including chickens, only in agricultural zoning districts, not in residential zones. Residential backyard chickens are therefore not allowed under the city code. Anyone seeking to keep chickens would need agriculturally zoned property.
Common questions
Can I keep chickens in O'Fallon?
No — chickens are not allowed in O'Fallon (Code of Ordinances Sec. 210.170 (Ch. 210, Animal Control)).
What law covers backyard chickens in O'Fallon?
Code of Ordinances Sec. 210.170 (Ch. 210, Animal Control). Read the official text at the source linked on this page.
The actual law
Code of Ordinances Sec. 210.170 (Ch. 210, Animal Control) — read the official code
“The keeping of farm animals, cattle, swine, sheep, horses, goats, and poultry is permissible only in agricultural zoning districts where and as may be permitted pursuant to applicable zoning regulations.” source
Last verified June 13, 2026. Always confirm with your municipality — HOA rules can be stricter than city code. How we verify →
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