Swimming Pools & Spas in Adams County, CO (2026)

2 county-level rules, plus city-specific rules for 2 cities in Adams County, Colorado.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Adams County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Pool Permits

Unincorporated Adams County requires pools and spas to be built under the 2024 International Swimming Pool and Spa Code, adopted by reference through Ordinance No. 12 and administered by the Building Safety Division. The county did not rewrite the model code's permit section, so the adopted 2024 ISPSC's application and permit requirements govern residential pool construction as published.

Swimming Pool Permits in Adams County

Some Restrictions

Adams County Swimming Pool and Spa Code §§ 101.1, 103.1 (Ord. No. 12)

101.1 Title. These regulations shall be known as the Swimming Pool and Spa Code of Adams County, hereinafter referred to as "this code." ... 103.1 The Building Safety Division is hereby created and the official in charge thereof shall be known as the code official. The function of the agency shall be the implementation, administration, and enforcement of the provisions of this code.

Full ordinance details →Official source ↗

Fencing & Safety Requirements

Unincorporated Adams County requires a barrier restricting entry to any pool or spa area under Section 305.1 of the county's Swimming Pool and Spa Code. A pool or spa with a powered or lockable safety cover meeting ASTM F1346 is excused from the detailed barrier design rules in Sections 305.2 through 305.7.

Adams County Pool Barrier and Fence Rules

Some Restrictions

Adams County Swimming Pool and Spa Code § 305.1 (Ord. No. 12)

305.1 General. The provisions of this section shall apply to the design of barriers for restricting entry into areas having pools and spas. Where spas or hot tubs are equipped with a lockable safety cover complying with ASTM F1346 and swimming pools are equipped with a powered safety cover that complies with ASTM F1346, the areas where those spas or hot tubs or pools are located shall not be re...

Full ordinance details →Official source ↗

Swimming Pools & Spas by City in Adams County

2 cities in Adams County have their own swimming pools & spas rules. Each link goes to that city's dedicated page with code citations.

ThorntonPop. 141,867

1 verified rule • Pool Permits

WestminsterPop. 116,317

2 verified rules • Fencing & Safety Requirements, Pool Permits

All Adams County ordinances

See every category we cover for Adams County: parking, noise, fences, fires, animals, pools, and more.

Adams County Ordinance Hub →