Work Source Affiliate Downtown Seattle Work Source Affiliate King County
Affiliate Office
2024 3rd Avenue
Seattle, WA 98121
Seattle, WA Unemployment Offices
Updated July 2026
Seattle has 5 locations serving ZIP codes 98103, 98106, 98108, 98121 and 98144, spanning about 10.9 miles. Each office may set its own hours, so calling ahead is always a good idea.
How to File for Unemployment in Washington
Step-by-step filing instructions and what you'll need to apply.
Check Your Unemployment Claim Status in Washington
See what your claim status means and how to check it online or by phone.
How Your Unemployment Benefit Amount Is Calculated
How your payment is calculated, and what it could look like for your household.
Work Source Affiliate Rainier Work Source Affiliate King County
Affiliate Office
2531 Rainier Avenue South
Seattle, WA 98144
TTY: 800-833-6388
Fax: 206-721-5987
Monday, Tuesday, Wednesday, Friday, 8:00am - 5:00pm; Thursday, 9:00am - 5:00pm
Work Source Affiliate South Seattle College Work Source Affiliate King County
Affiliate Office
6000 16th Avenue SW Robert Smith Building 79 (Mail Stop 4RS79)
Seattle, WA 98106
View Services (1)
✓ File Unemployment Insurance Claim
Work Source Center North Seattle
Career Center
9600 College Way North Opportunity Center for Employment & Education
Seattle, WA 98103
View Services (11)
✓ UI Filing Assistance by Phone
✓ UI Filing Assistance Online
✓ UI Filing Assistance from Staff
✓ File Unemployment Insurance Claim
✓ Start Your Own Business Guidance
✓ Improve Job Skills
✓ Job Skills Training
✓ Interview Preparation
✓ Job Openings
✓ Resume Help
✓ Post Your Resume
Work Source Connection South Seattle College Georgetown Campus Work Source Connection King County
Affiliate Office
6737 Corson Avenue Building B, Room 124
Seattle, WA 98108
View Services (8)
✓ File Unemployment Insurance Claim
✓ Start Your Own Business Guidance
✓ Improve Job Skills
✓ Job Skills Training
✓ Interview Preparation
✓ Job Openings
✓ Resume Help
✓ Post Your Resume
Helpful Guides
What to Do After Losing Your Job: A Step-by-Step Checklist
The first two weeks after a layoff matter most. Here is the order to tackle unemployment benefits, health insurance, and your budget.
Learn more →Unemployment Eligibility Requirements: Who Qualifies
The three tests every state uses to decide unemployment eligibility, and the separation reasons that typically help or hurt your claim.
Learn more →