Contact Employment Security

Select a category to be taken to the most helpful contact page: 


General contact information:

Agency headquarters

Mailing address
P.O. Box 9046
Olympia, WA 98507
(US Postal Service only. No UPS or FedEx)

Street address
212 Maple Park Ave. SE
Olympia, WA 98501-2347
(Customer services not available here. Also, no US Postal Service delivery. UPS and FedEx OK)
*Office currently closed due to COVID-19 pandemic* 

Phone number

WorkSource offices

Go to the WorkSource website to find the WorkSource location nearest you.

Paid Family and Medical Leave



Tax center

Go to the tax center web page for mailing addresses and fax numbers by topic.

Mailing address
For tax rate, penalties or benefits claimed by a former employee
Experience Rating/Benefits Charging Unit
P.O. Box 9046
Olympia, WA 98507

Phone number
Persons with hearing or speaking impairments can call Washington Relay Service 711

Mailing addresses and fax numbers for employers regarding employee-benefit claims

Additional contacts:

Agency leaders | Public records | Legislative | Economist | Governor's Committee on Disability Issues and Employment | Web site issues