Building Permits in Bothell, WA

WA (covering parts of ZIP 98012), small at-grade concrete slabs (patios, walkways, generator pads) under approximately 200 sq ft typically don't require a building permit. Larger slabs intended as a future structure foundation require permits. Verify impervious-surface coverage against Bothell's stormwater code; new slabs may push the lot over its allowed coverage and trigger drainage review. Critical-areas buffers along North Creek and Sammamish River may add review.

WA (covering parts of ZIP 98012), permits are issued by the City of Bothell Permit Center, enforcing the 2021 International Codes adopted by Washington effective March 15, 2024. All applications go through the regional mybuildingpermit.com portal. Most residential fences 6 feet and under don't require a building permit, though Bothell zoning typically caps front-yard fence height lower (often 4 ft) than rear or side yards (6 ft). Fences over 6 feet, masonry fences, and pool barriers require permits. Pool barriers must meet 2021 ISPSC requirements with 48-inch minimum height and self-closing self-latching gate.

WA (covering parts of ZIP 98012), permits are issued by the City of Bothell Permit Center, enforcing the 2021 International Codes adopted by Washington effective March 15, 2024. At-grade patios (paver, concrete, flagstone) typically don't require a building permit. Verify drainage and impervious-surface limits, which are tracked under Bothell's stormwater code (aligned with the WA Department of Ecology Stormwater Manual for Western Washington). Covered patios or pergolas may require a permit due to roof structure. Critical-areas buffers along North Creek and Sammamish River may add review.

WA (covering parts of ZIP 98012), permits are issued by the City of Bothell Permit Center, enforcing the 2021 International Codes adopted by Washington effective March 15, 2024. Sheds 200 sq ft or under without electrical service are typically exempt from a building permit under IRC R105.2, but Bothell zoning setbacks for accessory structures still apply. Larger sheds, sheds with electrical, or sheds in critical-areas buffers require permits. If shed has electrical, the electrical permit goes through Washington L&I (not the city) per RCW 19.28.