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When a permit is required
Permit triggers and exempt work for SeaTac
A building permit is required for most construction within the City of SeaTac.
- Exempt Per state building code exemptions
Note: Contact Permit Center for specific questions about exemptions.
- Completed permit application
- Site plan
- Electronic plans (PDF format per General Standards)
- Construction specifications
- 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.
Source: Permit Center Division (Community and Economic Development) ↗
Application process
Typical processing: Varies by permit type.
- 01 Access LAMA portal at https://lama.seatacwa.gov
- 02 Create new user account
- 03 Complete online application forms
- 04 Upload electronic plans (PDF format, follow General Standards for Electronic Documents)
- 05 Pay fees online
- 06 Application routed to appropriate departments
- 07 Receive electronic permit notification upon approval
Typical processing time: Varies by permit type.
Source: Permit Center Division (Community and Economic Development) ↗
Required inspections
Scheduling and sequence
- Customer portal (online)
- Scheduling deadline
- Requests received before 5:00 PM scheduled for next business day
- Inspection hours
- Monday, Tuesday, Thursday, Friday: 9:00 AM - 4:00 PM; Wednesday: 10:00 AM - 5:00 PM
Typical sequence: Permits and approved plans required on-site
Source: Permit Center Division (Community and Economic Development) ↗
Frequently asked
Common questions about SeaTac permits
01 Do I need a building permit in SeaTac, WA? ▸
02 How do I apply for a building permit in SeaTac, WA? ▸
03 How long does it take to get a building permit in SeaTac, WA? ▸
04 What work is exempt from building permits in SeaTac, WA? ▸
05 How do I schedule a building inspection in SeaTac, WA? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Permit Center Division (Community and Economic Development) before applying. Jaspector is not legal advice.