1 county-level rule, plus city-specific rules for 2 cities in Boulder County, Colorado.
Verified from official government sources
Unincorporated Boulder County enforces the 2021 International Residential Code (IRC) Appendix G as adopted in the Boulder County Building Code Amendments effective March 31, 2025. Pool and spa barriers must be at least 48 inches high (and not greater than 54 inches at the top), with self-closing, self-latching gates and openings that will not pass a 4-inch sphere. Colorado has no state-specific pool barrier statute; local IRC adoption controls.
2 cities in Boulder County have their own swimming pools & spas rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Boulder County — parking, noise, fences, fires, animals, pools, and more.
Boulder County Ordinance Hub →