Above-ground pools deeper than 24 inches in Bellevue require building permits, barrier compliance, and setbacks from property lines under the adopted Washington State Building Code.
Bellevue Land Use Code Title 20 and the Washington State Building Code (RCW 19.27) apply to above-ground pools. Any pool, spa, or hot tub with water depth over 24 inches is considered a swimming pool and requires a building permit from the Bellevue Development Services Department. The pool must be surrounded by a barrier at least 48 inches high measured from the outside, with self-closing and self-latching gates opening away from the pool. Removable ladders that can be locked or raised out of reach may satisfy barrier requirements on above-ground pools with walls at least 48 inches tall. Setbacks generally match accessory structure standards: 5 feet from side and rear property lines in most residential districts (R-1 through R-7.5), with front-yard placement prohibited. Electrical equipment must be installed by a licensed electrician and inspected per NEC Article 680. Drainage must not flow onto neighboring parcels. Critical areas and shoreline buffer rules in LUC 20.25H may further restrict placement near streams, wetlands, or Lake Washington. Permit fees, inspection scheduling, and inflatable pool exemptions (under 24 inches) can be confirmed with Development Services at (425) 452-6800.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in King County.
See how other cities in King County handle above-ground pools.
See how Bellevue's above-ground pools rules stack up against other locations.
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