Find a Community Services Office (CSO)

Type in your 5 digit zip code and/or select your county to find the closest CSO.


Walla Walla CSO # 36

Counties Served: Columbia, Walla Walla

1-877-501-2233
TTY 1-800-209-5446
or use 711

What is the Physical Address of the office?

1371 Pine Street
Walla Walla, WA 99362

Apply for Services Online

Where should you send client documents?

DSHS CSD - Customer Service Center
PO BOX 11699
Tacoma, WA 98411-6699
Fax Number (toll-free) 1-888-338-7410

What is the Mailing Address of the office?
Please note: this phone and address is for office business use, not client cases.

Admin Phone | 509-394-1000
Admin Fax | 509-522-4330