Backyard Chicken Laws in Montana
Summary of state-level and major-city rules for keeping hens, roosters, and small backyard flocks in Montana. Updated 2026.
Hens allowed
Yes
Roosters allowed
Yes in most cities
Typical flock limit
No state cap
Permit required
No state permit
What makes Montana different
Grizzly and mountain lion territory: predator-proofing is critical.
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.