Swimming Pools & Spas in Seattle, WA (2026)
2 verified swimming pools & spas rules for Seattle, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Pool Permits
Constructing a residential swimming pool in Seattle requires an SDCI building permit under Table D-2 for SMC 22.900D.010, which sets fees as multiples of the project's base fee: four times base fee for an unenclosed pool accessory to a single-family (Group R-3) home, six times base fee for pools accessory to other occupancies or principal-use pools, and lower multiples for standard-plan reviews.
Seattle Swimming Pool Permit Fees
Some RestrictionsSeattle Municipal Code § 22.900D.010, Table D-2 (Item 17)
17. Swimming pools: 4 a. Unenclosed pools accessory to Group R-3 occupancy Base fee × 4 b. Unenclosed pools accessory to occupancies other than Group R-3 Base fee × 6 c. Principal use unenclosed pools Base fee × 6 d. Future construction of an unenclosed swimming pool Base fee × 1 e. Initial approval of standard plan for swimming pool accessory to Group R-3 occupancy Base fee × 5 f. Subseq...
Fencing & Safety Requirements
Seattle's Water Recreation Facility Code (SMC 10.12) and Swimming and Spa Pool Code (SMC 10.56) require a Public Health–Seattle & King County permit to build or operate a spa pool, but SMC 10.12.050 exempts any facility used solely by residents and guests at a single-family dwelling.
Seattle Spa and Hot Tub Permit Rules
Some RestrictionsSeattle Municipal Code §§ 10.12.050, 10.56.030
This Code applies to all water recreation facilities regardless of whether ownership is public or private and regardless of whether the intended use is commercial or private, except that this chapter shall not apply to: A.Any water recreation facility for the sole use of residents and invited guests at a single-family dwelling;B.Therapeutic water facilities operated exclusively for physical the...
Looking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Seattle city rules.
Swimming Pools & Spas in King County →