With services that range from checking and savings accounts to ID theft protection and even auto and home insurance, we offer Castro Valley residents more than just a credit union. At 1st United Credit Union, our mission is not just to offer great financial services, but to do it in the friendliest, professional, and knowledgeable way we know how. We aren’t just your banking representatives, we live here too!

Schedule an appointment or simply drop in at 3365 Castro Valley Boulevard in Castro Valley, CA - near the I-580 freeway. You can also reach us by chat or phone or apply online.

Photo of 1st United's branch

Stop in today to find out what we can do for you

1st United Credit Union
Castro Valley Branch
3365 Castro Valley Blvd
Castro Valley, CA 94546
(800) 649-0193


Due to COVID-19 and the Bay Area Shelter in Place order, branch hours have been temporarily reduced.
Monday - Friday: 10:00 a.m. - 4:00 p.m.
Saturday: 9:00 a.m. - 1:00 p.m.

ATM: Available 24/7

Get Directions  Schedule an Appointment  Apply Online