Summary of state-level and major-city rules for keeping hens, roosters, and small backyard flocks in Colorado. Updated 2026.
| Hens allowed | Yes |
|---|---|
| Roosters allowed | Prohibited in Denver, Aurora, Boulder city limits |
| Typical flock limit | Denver: up to 8 fowl total |
| Permit required | Denver requires a livestock license |
What makes Colorado different
Front Range cities set setback and coop size rules.
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.
