Contact and Locations

2025 Holiday Closures

Our Branches are closed to observe the following federal holidays:

Get In Touch

Sea West knows the importance of making banking easy! That’s why we provide our members with so many ways to access Sea West.

Call Us

(800) SEA-WEST (800) 732-9378
Monday – Friday: 8:30 a.m. till 4:30 p.m. Excluding Holidays

Mail

PO Box 4949
Oakland, CA 94605

Email Us

Fsr@seawest.coop
Secure email can be accessed through Online Banking.

Fax

Sea West Main Fax:
(510) 434-6090

Coast Guard Island Branch Fax:
(510) 434-6001

Petaluma USCG Training Center Branch Fax:
(510) 434-6052

Locations and Hours

Coast Guard Island, Alameda

Alameda, CA 94501
Phone: (800) 732-9378
Fax: (510) 434-6001

Administrative Office

8750 Mountain Blvd
Oakland, CA 94605
Phone: (800) 732-9378
Fax: (510) 434-6090

Petaluma USCG Training Center (Restricted Access)

202 Pennsylvania Avenue
Petaluma, CA 94952
Phone: (800) 732-9378

Sea West Self Service Kiosks/ATM Locations

Alameda Branch
Coast Guard Island
Foot of Dennison Street
Alameda, CA 94501

Petaluma Branch
202 Pennsylvania Ave
Petaluma, CA 94952

USCG MWR Building 16 (Kiosk/ATM)
Coast Guard Island
Alameda, CA 94501

USCG Yerba Buena Island (Kiosk/ATM)
1 Yerba Buena Island Road
San Francisco, CA 94130

USCG Los Angeles/Long Beach (Kiosk/ATM)
1001 South Seaside Ave
San Pedro

Lost or Stolen Cards

If you believe your card has been lost or stolen, call immediately to report it.

During Business Hours

Please contact the credit union at (800) 732-9378

After hours ONLY

Report a lost or stolen Visa Credit Card at this toll-free number: (800) 543-5073.
Report a lost or stolen ATM or Mastercard Debit Card by calling (888) 241-2510; Or if you’re calling from outside the U.S., (909) 941-1398

Routing Number

321171265