Window / Door Permit Requirements in Sammamish, WA
Washington State Building Code (based on 2021 IBC/IRC with WA amendments). All permits via MyBuildingPermit.com regional portal. 15% technology fee on most permits. Located in King County.
When you DON'T need a permit
Replacing windows or exterior doors in the same size opening does not require a permit.
Source: City of Sammamish Building Division / Washington State Building Code (based on 2021 IRC)
Replacing interior doors in the same size opening does not require a permit.
Source: City of Sammamish Building Division / Washington State Building Code (based on 2021 IRC)
When you DO need a permit
Changing a window or door opening size requires a building permit.
Typical timeline: About 2 weeks
Source: City of Sammamish Building Division / Washington State Building Code (based on 2021 IRC)
What Makes Sammamish Different
Here's how Sammamish's window / door rules stack up against the standard IRC baseline that most of the country follows.
Stricter Than the IRC
Changing a window or door opening size requires a building permit.
2 rules match the IRC baseline — no surprises there.
Zoning & HOA Considerations
If you live in an HOA community: hOAs in some communities regulate exterior window styles, frame colors, and door designs. Changing window types or adding new openings may require architectural review approval.
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Frequently Asked Questions
Contact Sammamish's building department for current Window / Door permit fee information. Fees typically vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Window / Door 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 Sammamish 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 Window / Door permits in Sammamish 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 Window / Door Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Window / Door Guide →