Contact Us

Sea West knows the importance of making banking easy! That’s why we provide our members with so many ways to access Sea West 24 hours a day, 365 days a year.


  • Email Us at Please note: Email is not secure. Do not send sensitive information to this email address. Secure email can be accessed through Virtual Branch Online Banking.


  • Call Us – Our Member Service Representatives are available to assist you between the hours of 8:30 a.m. and 4:30 p.m. Monday through Friday, excluding Federal holidays. Just give us a call at 800-SEA-WEST (800-732-9378) or visit us at our Alameda or Petaluma branch locations.


Sea West Branch Locations:


Coast Guard Island, Alameda –
P.O. Box 5008
Alameda, CA 94501-8505
Phone: 800-SEA-WEST (732-9378)
Fax: 510-434-6001


ATM located on site


Petaluma USCG Training Center (Restricted Access)
202 Pennsylvania Avenue
Petaluma, CA 94952-9161
Phone: 800-SEA-WEST (732-9378)
Fax: 510-434-6052


ATM located on site


Administrative Office Mailing Address:

P.O. Box 4949
Oakland, CA 94605-6949
Phone: 800-SEA-WEST (732-9378)
Fax: 510-434-6090


Additional Sea West ATM Locations

ISC Alameda, Building 16, Coast Guard Island, Alameda, CA (Restricted Access)

• 99 Mosley Avenue, USCG Housing Office, Alameda, CA

• Coast Guard Galley, Yerba Buena Island (Restricted Access)


You can conduct business with us around the clock by selecting any of the following services:



Virtual Branch allows you to check balances, transfer money between accounts, view cleared checks and make payments to your Sea West loans and credit cards. Virtual Branch also allows you to send secure email to us.



Pay your bills online at your leisure.