Summary of state-level and major-city rules for keeping hens, roosters, and small backyard flocks in Missouri. Updated 2026.
| Hens allowed | Yes |
|---|---|
| Roosters allowed | Restricted in St Louis, Kansas City limits |
| Typical flock limit | St Louis: up to 8 hens per lot with permit |
| Permit required | Local permit common |
What makes Missouri different
Right to Farm amendment (Article I, Section 35) protects agricultural use.
Official sources
Verify locally before you buy birds
This is a summary. City, county, and HOA rules usually override state guidance. Check your local zoning office, health department, and any HOA covenants before adding hens or roosters to your property.
