Deck / Patio Permit Requirements in Shoreline, WA
WA 2021 IRC.
When you DON'T need a permit
Freestanding decks not exceeding 30 inches above grade are exempt in Tacoma, WA.
Source: Shoreline Municipal Code Title 2 / 2021 Washington State Residential Code
When you DO need a permit
Attached decks require a building permit in Tacoma, WA.
Estimated fee: $95 – $385
Typical timeline: About 3 weeks
Source: Shoreline Municipal Code Title 2 / 2021 Washington State Residential Code
Decks over 30 inches above grade require a building permit in Tacoma, WA.
Estimated fee: $145 – $575
Typical timeline: About 4 weeks
Source: Shoreline Municipal Code Title 2 / 2021 Washington State Residential Code
Covered decks require permits in Tacoma, WA. Rain drainage considerations required.
Estimated fee: $240 – $770
Typical timeline: About 4 weeks
Source: Shoreline Municipal Code Title 2 / 2021 Washington State Residential Code
What Makes Shoreline Different
Here's how Shoreline's deck / patio rules stack up against the standard IRC baseline that most of the country follows.
Stricter Than the IRC
Attached decks require a building permit in Tacoma, WA.
Decks over 30 inches above grade require a building permit in Tacoma, WA.
1 rule match the IRC baseline — no surprises there.
Deck / Patio Permit Costs: Shoreline vs. Nearby
Shoreline comes in on the low side for Washington. You're looking at $95 – $770 here, compared to the state average of $133 – $442.
| City | Estimated Fee |
|---|---|
| Shoreline | $95 – $770 |
| Seattle | $120 – $480 |
| Seattle | $180 – $720 |
| Seattle | $300 – $960 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation.
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.
Check your specific project
Answer a few quick questions to get a personalized answer for your exact project.
Check Now — Free →Building Department Contact
Frequently Asked Questions
Estimated permit fees for Deck / Patio projects in Shoreline, WA range from $95 – $385. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Deck / Patio 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 in Shoreline 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 / Patio permits in Shoreline is About 3 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 / Patio Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Deck / Patio Guide →