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Weld County, CO Swimming Pools & Spas: Pool Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified July 2026

Swimming pool permit rules in Weld County, CO, also covering above-ground pools, in-ground pools, and spa installations, set fencing, barrier, alarm, and inspection requirements.

Key Facts

Building permit
Required (unincorporated)
Adopted codes
2018 IBC / IRC / ISPSC
Permit exemption
Prefab pool <24in, <5,000gal
Public pools
5 CCR 1003-5 plan review
In cities
City permits apply

Summary

Unincorporated Weld County requires a building permit for pool and spa installation under the county's adopted 2018 IBC/IRC and International Swimming Pool and Spa Code. Public and semi-public pools must also submit plans to the state (CDPHE) at least 30 days before construction.

City-specific rules exist: Greeley has its own pool permits rules that differ from Weld County's county-level regulations. If you live in Greeley, check the city-specific page instead.

At least thirty (30) days prior to the construction, extension, enlarging, remodeling or modification of a public swimming area or related facilities, the plans and specifications... shall be submitted for review and recommendations to the Colorado Department of Health.

View official code

Full Breakdown

Weld County's Building Inspection Division enforces the 2018 IBC, 2018 IRC and 2018 ISPSC (effective January 1, 2022) on unincorporated land, so an in-ground pool, spa, or hot tub needs a building permit and electrical permit. Small prefabricated above-ground pools under 24 inches deep and 5,000 gallons are exempt from the building permit. Public and semi-public pools are additionally regulated by Colorado's health rule, 5 CCR 1003-5, which requires plans be submitted to the state at least 30 days before construction. Home-rule cities such as Greeley and Evans issue their own pool permits.

Violations & Fines

Installing a regulated pool or spa without the required building and electrical permits is a code violation subject to stop-work orders and the county's building code enforcement.

Frequently Asked Questions

Do I need a permit for a backyard pool in Weld County?
Yes. On unincorporated land, in-ground pools, spas, and hot tubs need a building and electrical permit under the county's adopted 2018 ISPSC. Small prefab above-ground pools under 24 inches deep are exempt.
Who permits a pool inside Greeley?
Greeley and Evans are home-rule cities that issue their own pool permits through their building departments, not the county.

Sources & Official References

Other rules in Weld County

Fence Regulations: Height LimitsSome RestrictionsFencing & Safety RequirementsSome RestrictionsNoise Ordinances: Barking DogsSome RestrictionsNoise Ordinances: Decibel LimitsSome RestrictionsNoise Ordinances: Vehicle NoiseSome RestrictionsParking Rules: Loading ZonesSome RestrictionsParking Rules: EV ChargingFew Restrictions

All Weld County rules

Compare Weld County to another location·View the Colorado swimming pools & spas overview

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Pool Permits in Cities Across Weld County

Greeley, CO