Swimming Pools & Spas in Franklin County, WA (2026)
2 rules for unincorporated Franklin County, Washington.
Verified from official government sources
Pool Permits
An in-ground pool in unincorporated Franklin County needs a $300 building permit, and an above-ground pool or hot tub needs a $100 permit. Every pool must have a four-foot enclosure with self-latching gates approved before water goes in, per the zoning code's accessory-use standards.
Franklin County Swimming Pool Permit Rules
Some RestrictionsFranklin County Code §§ 15.12.190, 17.66.220
Swimming pools and hot tubs may be constructed and placed as an accessory use for a residence provided that: ... B.Swimming pools shall be entirely enclosed by buildings, fences or walls not less than four (4) feet in height and with no openings that are greater in size than four inches. Such fences shall be equipped with self-latching gates or doors, the latching device being located not less ...
Fencing & Safety Requirements
In unincorporated Franklin County, any swimming pool must be entirely enclosed by a fence, wall or building at least four feet tall with no gaps wider than four inches. The gate has to self-latch, with the latch mounted at least four feet off the ground.
Franklin County Pool Fence & Gate Rules
Some RestrictionsFranklin County Code § 17.66.220(B)
B.Swimming pools shall be entirely enclosed by buildings, fences or walls not less than four (4) feet in height and with no openings that are greater in size than four inches. Such fences shall be equipped with self-latching gates or doors, the latching device being located not less than four feet above the ground. All fencing must be in place and approved by the building department before wate...
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