Find a Community Services Office (CSO)

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


Columbia River CSO # 53

Counties Served: Clark, Cowlitz

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

What is the Physical Address of the office?

800 NE 136th Avenue Suite 110
Vancouver, WA 98684

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.

Columbia River CSO Documents PO Box 8985
Vancouver, WA 98668-9975

Admin Phone | 360-397-0002
Admin Fax | 866-684-6635



Ellensburg Branch CSO # 19

Counties Served: Kittitas

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

What is the Physical Address of the office?

100 E. Jackson Avenue Suite 300
Ellensburg, WA 98926

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 | 509-925-0380
Admin Fax | 877-208-9573



Everett CSO # 31

Counties Served: Snohomish

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

What is the Physical Address of the office?

840 N. Broadway, Suite 200
Everett, WA 98201

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.

PO Box 6056
Arlington, WA 98223-9956

Admin Phone | 425-339-4000
Admin Fax | 425-339-4890



Federal Way CSO # 45

Counties Served: King

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

What is the Physical Address of the office?

Federal Way CSO
616 S 348th St.
Federal Way, WA 98003-7023

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.

P O Box 1917
Tacoma, WA 98401

Admin Phone | 253-681-5000
Admin Fax | 253-661-4981



Forks Branch CSO # 64

Counties Served: Clallam

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

What is the Physical Address of the office?

421 5th Ave
Forks, WA 98331-9100

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.

Forks CSO Documents PO Box 45453
Olympia, WA 98501-5453

Admin Phone | 360-374-3510
Admin Fax | 360-374-5464



Goldendale Branch CSO # 62

Counties Served: Klickitat

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

What is the Physical Address of the office?

808 S. Columbus Ave
Goldendale, WA 98620

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.

Goldendale CSO Documents PO Box 8985
Vancouver, WA 98668-9975

Admin Phone | 509-773-7450
Admin Fax | 509-773-4282



Kelso CSO # 8

Counties Served: Cowlitz, Wahkiakum

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

What is the Physical Address of the office?

711 Vine St.
Kelso, WA 98626

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.

PO BOX 330
Kelso, WA 98626

Admin Phone | 360-501-2400
Admin Fax | 360-577-2296



Kennewick #3

Counties Served: Benton, Franklin, Walla Walla

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

What is the Physical Address of the office?

1120 N. Edison St.
Kennewick, WA 99336

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.

PO Box 12502
Yakima, WA 98909

Admin Phone | 509-735-7119
Admin Fax | 509-454-4233



King Eastside CSO # 40

Counties Served: King, Snohomish

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

What is the Physical Address of the office?

805 156th Ave NE N40-1
Bellevue, WA 98007

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 | 425-401-4600
Admin Fax | 1-877-655-1340



King North CSO # 42

Counties Served: King

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

What is the Physical Address of the office?

9600 College Way North
Seattle, WA 98103

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 | (206) 545-7600
Admin Fax | (206) 934-7434