1 county-level rule, plus city-specific rules for 2 cities in St. Louis County, Missouri.
Verified from official government sources
St. Louis County Revised Ordinances (SLCRO) Section 611.200 prohibits dogs, cats, and other animals from being 'at large' in unincorporated St. Louis County. If not in a cage or building, an animal must be on a leash, in a car, or on the owner's property. In St. Louis County Parks, leashes may not exceed 6 feet. Enforcement is by St. Louis County Animal Care & Control (Public Health).
2 cities in St. Louis County have their own animal ordinances rules. Each link goes to that city's dedicated page with code citations.
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