Swimming Pools & Spas in Grays Harbor County, WA (2026)
1 rule for unincorporated Grays Harbor County, Washington.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Grays Harbor County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Pool Permits
A residential swimming pool needs a county building permit in unincorporated Grays Harbor County unless it is a prefabricated, above-ground pool under 24 inches deep that holds no more than 5,000 gallons; anything deeper, in-ground, or larger needs a permit from the building official first.
Pool Permit Rules in Grays Harbor County
Some RestrictionsGrays Harbor County Code § 15.04.020(K), item (9) (IBC § 105.2)
Permits shall not be required for the following: Building: ... (9)Prefabricated swimming pools accessory to a Group R-3 occupancy that are less than twenty-four inches deep, do not exceed five thousand gallons and are installed entirely above ground.
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