Get in touch
SeaWest knows the importance of making banking easy! That’s why we provide our members with so many ways to access SeaWest.
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PO Box 4949Oakland, CA 94605
We always appreciate birthday cards, thank you notes, and words of encouragement.
We’re also happy to receive your application forms and deposits and treat them with utmost care.
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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: 844-675-3230.
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
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321171265
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Administrative Office Fax: 510-434-6090
Coast Guard Island Branch Fax: 510-434-6001
Petaluma USCG Training Center Branch Fax: 510-434-6052
Coast Guard Island, Alameda
Coast Guard Island
Alameda, CA 94606
Phone (800) 732-9378
Fax (510) 434-6001
Petaluma USCG Training Center (Restricted Access)
202 Pennsylvania Avenue
Petaluma, CA 94952
Main Phone (800) 732-9378
2025 Holiday Closures
Our branches are closed to observe the federal holidays below.
| HOLIDAY | DATE CLOSED |
|---|---|
| Juneteenth National Independence Day | Thursday, June 19, 2025 |
| Independence Day | Friday, July 4, 2025 |
| Labor Day | Monday, September 1, 2025 |
| Columbus/Indigenous People's Day | Monday, October 13, 2025 |
| Veterans Day | Tuesday, November 11, 2025 |
| Thanksgiving Day | Thursday, November 27, 2025 |
| Christmas Day | Thursday, December 25, 2025 |