Pool barriers in Multnomah County must comply with the Oregon Residential Specialty Code Appendix G and OAR 918-480: minimum 48-inch fence, self-closing self-latching gates, 2-inch max ground clearance, and openings that will not pass a 4-inch sphere. Building permits and inspections are required through county or Portland BDS.
Oregon Residential Specialty Code Appendix G (adopted per OAR 918-480) governs residential pool, spa, and hot tub barriers throughout Multnomah County. Minimum barrier height is 48 inches measured on the exterior side, with maximum clearance under the barrier of 2 inches above a non-solid surface (4 inches on solid surfaces like concrete). Horizontal members on the outside of the fence must be more than 45 inches apart, or the fence must have mesh/spacing that prevents a 4-inch sphere from passing through. Chain-link fencing is limited to 2.25-inch mesh (1.75 inches with slats). Gates must be self-closing and self-latching, with latches located at least 54 inches above grade on the pool side. Doors from the house into the pool area must have either a self-closing mechanism with alarm (85 dB at 10 ft, per UL 2017), or a power safety cover meeting ASTM F1346. Pools are defined as any container with water deeper than 24 inches. Portland BDS and Multnomah County Building Division conduct pre-fill and final inspections. Anti-entrapment drain covers compliant with the federal Virginia Graeme Baker Pool and Spa Safety Act (15 U.S.C. Β§8003) are mandatory. Above-ground pools with walls 48+ inches may use the pool wall as the barrier if the ladder is removable or lockable.
Non-compliant barriers: red-tag at inspection; pool may not be filled. Post-installation violations: $200-$1,000 fine plus immediate correction order. Civil liability exposure is significant β wrongful death claims from drownings average $500K-$2M in Oregon.
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