Swimming Pools & Spas in Longmont, CO (2026)
4 verified swimming pools & spas rules for Longmont, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Pool Permits
Longmont requires a building permit for any swimming pool (in-ground or above-ground over 24 inches deep), spa, or hot tub. Permits are issued by Building Services at 385 Kimbark Street under the city's adopted 2021 International Codes (effective January 1, 2022). Pool barriers, electrical bonding, and gas/plumbing all require inspection.
Swimming Pool Permits in Longmont
Heavy RestrictionsFencing Requirements
Longmont requires every pool deeper than 24 inches and every hot tub or spa to be enclosed by a barrier at least 4 feet (48 inches) tall, with no opening larger than 4 inches, per LMC 15.05.100 and the adopted 2021 IRC Appendix V. Gates must self-close and self-latch, opening outward away from the pool, with the latch release at least 54 inches high.
Pool Fencing Requirements in Longmont
Heavy RestrictionsSafety Rules
Beyond the 4-foot barrier rule in LMC 15.05.100, Longmont enforces the 2021 IRC Appendix V and 2021 IBC pool-safety provisions: anti-entrapment drain covers compliant with the federal Virginia Graeme Baker Pool & Spa Safety Act, equipotential electrical bonding around the pool shell, alarms on dwelling doors that open directly to the pool area, and required final inspection before filling the pool.
Swimming Pool Safety Rules in Longmont
Heavy RestrictionsHot Tub Rules
Hot tubs and spas require a building permit in Longmont and must be enclosed by a 4-foot fence with openings under 4 inches per LMC 15.05.100 - OR they may use a lockable safety cover capable of supporting at least 150 pounds, which must be locked when the spa or hot tub is not in use. Electrical work must comply with the adopted 2020 NEC Article 680 (GFCI protection and bonding).
Hot Tub and Spa Rules in Longmont
Heavy RestrictionsLooking for Boulder County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Longmont city rules.
Swimming Pools & Spas in Boulder County →