Find a Community Services Office (CSO)

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


Aberdeen CSO # 14

Counties Served: Grays Harbor, Mason

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

What is the Physical Address of the office?

415 W. Wishkah
Aberdeen, WA 98520

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.

415 West Wishkah Suite 1A
Aberdeen, WA 98520

Admin Phone | 360-533-9700
Admin Fax | 360-533-9445



Alderwood CSO # 52

Counties Served: King, Snohomish

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

What is the Physical Address of the office?

20311 52nd Ave W. Suite 100
Lynnwood, WA 98036

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 6054
Arlington, WA 98223-9954

Admin Phone | 425-673-3000
Admin Fax | 425-672-2295



Auburn CSO # 72

Counties Served: King

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

What is the Physical Address of the office?

810 28th St. N.E.
Auburn, WA 98002

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 1917
Tacoma, WA 98401-1917

Admin Phone | 253-288-5300
Admin Fax | 253-931-6344



Bellingham CSO # 37

Counties Served: Whatcom

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

What is the Physical Address of the office?

4101 Meridian St.
Bellingham, WA 98226

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 6057
Arlington, WA 98223-9957

Admin Phone | 360-714-4000
Admin Fax | 360-714-4148



Belltown CSO # 47

Counties Served: King

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

What is the Physical Address of the office?

2106 2nd Ave
Seattle, WA 98121

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 1917
Tacoma, WA 98401

Admin Phone | 206-239-3600
Admin Fax | 206-956-3266



Bremerton CSO # 18

Counties Served: Kitsap

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

What is the Physical Address of the office?

4710 Auto Center Blvd
Bremerton,, WA 98312

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.

Region 5 DMS HUB N27-26 PO Box 1197
Tacoma, WA 98401-1197

Admin Phone | 360-473-2200
Admin Fax | 253-593-2334



Capitol Hill CSO #46

Counties Served: King

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

What is the Physical Address of the office?

1700 E. Cherry St.
Seattle, WA 98112

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 | 206-568-5500
Admin Fax | 206-720-3315



Chehalis CSO # 21

Counties Served: Grays Harbor, Lewis, Thurston

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

What is the Physical Address of the office?

151 NE Hampe Way
Chehalis, WA 98532

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.

Chehalis CSO Documents
PO Box 45460
Olympia, WA 98504-5460

Admin Phone | 360-740-3800
Admin Fax | 360-748-2350



Clarkston Branch CSO #2

Counties Served: Asotin, Garfield

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

What is the Physical Address of the office?

525 Fifth St.
Clarkston, WA 99403

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 | 509-751-4601
Admin Fax | 509-751-4261



Colfax Branch CSO #38

Counties Served: Whitman

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

What is the Physical Address of the office?

418 S Main St Ste 1
Colfax, WA 99111-1769

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.

418 S. Maine Street, Suite 1
Colfax, WA 99111

Admin Phone | 509-397-5050
Admin Fax | 509-397-3498