Pool Barriers: Kent vs Seattle
How do pool barriers rules compare between Kent, WA and Seattle, WA?
Kent and Seattle have similar restriction levels.
Kent, WA
King County
Private pools in Kent must have a barrier at least 4 feet tall with self-closing, self-latching gates per IBC Appendix G and IRC Section R326. Public pools must meet the 6-foot (72-inch) barrier under WAC 246-260.
View full Kent rules →Seattle, WA
King County
King County follows Washington State Building Code pool barrier rules. Residential pools and spas over 24 in deep need a 48-in barrier with self-closing, self-latching gates opening outward from the pool.
View full Seattle rules →Key Facts Comparison
| Fact | Kent | Seattle |
|---|---|---|
| Residential Barrier | 48 inches minimum | - |
| Public Pool Barrier | 72 inches (WAC 246-260) | - |
| Gate | Self-closing, self-latching | Self-closing, self-latching |
| Sphere Test | 4 inch max opening | - |
| Trigger Depth | - | Water over 24 in |
| Barrier Height | - | 48 in minimum |
| Climb Guard | - | No 4-in openings |
| Code | - | IRC Appendix G / WA |
Highlighted rows indicate differences between cities.
Kent FAQ
How tall must a pool fence be in Kent?
48 inches for a residential pool under IRC R326. Public pools and apartment pools need 72 inches under WAC 246-260-031.
Does a hot tub need a fence in Kent?
Hot tubs with a locking safety cover meeting ASTM F1346 are exempt from the 4-foot barrier rule. Otherwise fencing is required.
Seattle FAQ
Does my spa need a pool fence in unincorporated King County?
Not if the spa has a locking, ASTM F1346 safety cover. Without a compliant cover, any spa holding water over 24 inches deep requires a 48-inch barrier with self-closing, self-latching gate.
Can my house wall be part of the pool barrier?
Yes, but doors from the house to the pool must have audible alarms, or the pool must have a powered safety cover. This is inspected at the final building permit sign-off.
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