Deck Permit Requirements in Bothell, WA
ZIP 98012 straddles City of Bothell and unincorporated Snohomish County (Mill Creek / Canyon Park). Bothell itself spans King + Snohomish counties. Inside city limits: Bothell Permit Center. Outside city limits in 98012: Snohomish County PDS. All Bothell applications run through mybuildingpermit.com (regional portal). Electrical permits via WA L&I, not the city. 2021 International Codes effective in Bothell since March 15, 2024.
By Joey, Founder · Last verified May 28, 2026 · How we research →
When you need a Deck permit
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 (2021 IRC, 2021 IBC, 2021 UPC, 2021 IMC, 2021 IFGC) plus the 2021 Washington State Energy Code. All applications go through the regional mybuildingpermit.com portal. Bothell straddles King and Snohomish counties, and ZIP 98012 also covers Mill Creek city and unincorporated Snohomish County, so verify your address is inside Bothell city limits before applying. A deck attached to the dwelling, or any deck more than 30 inches above grade, requires a building permit under 2021 IRC R507. Freestanding decks 30 inches or less above grade may be exempt under R105.2; confirm with Bothell.
Deck Permit Costs: Bothell vs. Nearby
| City | Estimated Fee |
|---|---|
| Bothell | N/A |
| Seattle | $120 – $960 |
| Spokane | $100 – $600 |
| Tacoma | $95 – $770 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Bothell permit costs →
Zoning & HOA Considerations
Decks may be subject to zoning setback and lot coverage requirements. Check with your local planning department before building near property lines.
If you live in an HOA community: many HOAs restrict deck materials, colors, size, and placement. Review your CC&Rs and submit an architectural review request before applying for a building permit. HOA approval can take 1–6 weeks.
Estimated Project Timeline
Here's a typical timeline for a deck project:
Timeline is based on the typical about 2 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.
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Frequently Asked Questions
Contact the building department for current Deck permit fee information. Fees typically vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Deck projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Deck permits is about 2 weeks. More complex projects may take longer if plan review is required.
If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate, you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.
Learn More About Deck Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Deck Guide →