On this page 6
When a permit is required
Permit triggers and exempt work for Sammamish
A building permit is required for most construction within the City of Sammamish.
- Exempt One-story detached accessory structures under 200 sq ft
- Exempt Decks under 30 inches above grade
- Exempt Fences under 8 feet in height
- Exempt Retaining walls under 4 feet
- Exempt Re-roofing
- Exempt Window/door replacement in-kind
Note: See Tip Sheet 00 for complete list. Construction hours: Mon-Fri 7:00 AM-8:00 PM, Sat 9:00 AM-6:00 PM, no construction on Sundays/holidays.
- Completed permit application
- Site plan
- Construction plans (PDF format)
- Architectural plans
- Building code
- 2021 Washington State Building Code
- Permit validity
- Varies by permit type.
- Contractor requirements
- Contractors must hold a valid Washington State L&I registration.
Application process
Typical processing: Varies by permit type.
- 01 Access MyBuildingPermit.com (24/7)
- 02 Create account
- 03 Select Sammamish as jurisdiction
- 04 Complete online application forms
- 05 Upload PDF plans and documents
- 06 Pay submittal fees at application
- 07 City staff reviews application
- 08 Receive electronic permit upon approval
- 09 Pay issuance fees before permit release
Typical processing time: Varies by permit type.
Fee schedule
Effective Current
Submittal fees at application (plan review); Issuance fees when approved (inspection and impact fees)
Fees change periodically. Confirm at the official fee schedule ↗ (effective Current) before budgeting.
Required inspections
Scheduling and sequence
- MyBuildingPermit.com (online)
- inspections@sammamish.us (email)
- Inspection hours
- Monday-Friday, 7:00 AM - 8:00 PM; Saturday 9:00 AM - 6:00 PM
Frequently asked
Common questions about Sammamish permits
01 Do I need a building permit in Sammamish, WA? ▸
02 How do I apply for a building permit in Sammamish, WA? ▸
03 How long does it take to get a building permit in Sammamish, WA? ▸
04 What work is exempt from building permits in Sammamish, WA? ▸
05 How do I schedule a building inspection in Sammamish, WA? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Permit Center (Community Development) before applying. Jaspector is not legal advice.