Swimming pool permit rules in Larimer County, CO — also covering above-ground pools, in-ground pools, and spa installations — set fencing, barrier, alarm, and inspection requirements.
Unincorporated Larimer County requires a building permit to construct an in-ground pool or permanent spa. Prefabricated pools under 24 inches deep are exempt. Submit three copies of a site plan showing pool location, deck, equipment, and nearby windows and doors.
The Larimer County Building Division reviews residential pool and spa permits under the adopted 2021 International Swimming Pool and Spa Code (ISPSC). Applicants provide three copies of a site plan plus design plans (wind/snow loads, soil bearing, rebar and shotcrete details, equipment locations, wastewater disposal). Portable and permanent spas require manufacturer specifications and listing labels (UL 1563 / CSA C22.2). Electrical work must meet NFPA 70 bonding rules. Cities such as Fort Collins, Loveland, and Estes Park issue their own pool permits inside their limits.
Building without a required permit can trigger stop-work orders, double permit fees, and mandatory correction or removal of noncompliant work.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Larimer County, CO
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See how Larimer County's pool permits rules stack up against other locations.
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