Swimming Pools & Spas in Benton County, WA (2026)
2 county-level rules, plus city-specific rules for 1 city in Benton County, Washington.
Verified from official government sources
Pool Permits
An above-ground pool holding water over 24 inches deep needs a Benton County building permit and must meet the 2021 ISPSC barrier rules, though a pool wall at least 48 inches high can itself serve as the barrier.
Benton County Above-Ground Pool Rules
Some Restrictions2021 International Swimming Pool and Spa Code, Section 305.2 (via WAC 51-51-0327)
An onground residential pool wall structure or a barrier mounted on top of an onground residential pool wall structure shall serve as a barrier where the bottom of the wall is on grade, the top of the wall is not less than 48 inches (1219 mm) above grade for the entire perimeter of the pool, the wall complies with the requirements of Section 305.2 and the pool manufacturer allows the wall to se...
Fencing & Safety Requirements
A residential pool, spa, or hot tub in unincorporated Benton County must be enclosed by a barrier at least 48 inches high, with no opening a 4-inch sphere can pass and gates that self-close and self-latch, under the 2021 ISPSC adopted through WAC 51-51.
Benton County Pool Fencing Requirements
Heavy Restrictions2021 International Swimming Pool and Spa Code, Section 305.2 (via WAC 51-51-0327)
The top of the barrier shall be not less than 48 inches (1219 mm) above grade where measured on the side of the barrier that faces away from the pool or spa.
Swimming Pools & Spas by City in Benton County
1 cities in Benton County have their own swimming pools & spas rules. Each link goes to that city's dedicated page with code citations.
All Benton County ordinances
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