1 county-level rule, plus city-specific rules for 2 cities in Jefferson County, Colorado.
Verified from official government sources
Jefferson County's Animal Control Regulation (Resolution CC24-042, effective March 10, 2024) requires every dog in unincorporated Jefferson County to be on a physical leash, cord, or chain no longer than 10 feet, or confined on the owner's premises. A dog off the owner's premises and not under control is a 'dog at large' (Section A.15); a dog off premises but in the owner's visual sight without control is 'off leash' (Section A.29). Dog at large and dog off leash are Petty Offenses; if the dog bites and causes bodily injury, the owner faces a Class II Misdemeanor. State authority: C.R.S. 30-15-401(1)(j). All dogs over 4 months must be licensed.
2 cities in Jefferson County have their own animal ordinances rules. Each link goes to that city's dedicated page with code citations.
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