NCUA-insured credit union
1st Northern California
Credit Union headquartered in Martinez, California.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | Po Box 509 Martinez, CA 94553 |
| County | Contra Costa |
| Website | not published in NCUA data |
| Phone | (925) 228-7550 |
NCUA record
| NCUA Charter | 68668 |
| Federal Reserve RSSD ID | 11387 |
| Status | Active |
| Charter type | 2 (STATE) |
| Financials as of | March 31, 2026 |
Routing number
NCUA does not publish ABA routing numbers, and many credit unions use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this credit union, the "account details" screen in its online banking, or its official website.
See how your odds compare before you apply at 1st Northern California.
Offices
| Martinez main office Martinez, CA |
1111 Pine St, 94553 (925) 228-7550 M-W 9:00 am - 4:00 pmTh 9:00 am - 6:00 pm F 9:00 am - 5:00 pm |
| Benicia Benicia, CA |
560 1St St Ste B106, 94510 (925) 228-7550 M - W 9:00 am - 4:00 pmTh 9:00 am - 6:00 pm F 9:00 am - 5:00 pm |
| Brentwood Brentwood, CA |
8660 Brentwood Blvd Ste E, 94513 (888) 387-8632 M-W 9:00-4:00, Th 9:00-6:00, F 9:00-5:00 |
| Muir Station Martinez, CA |
538 Center Ave, 94553 (925) 228-7550 M - W 9:00 am - 4:00 pmTh 9:00 am - 6:00 pm F 9:00 am - 5:00 pm |
| Pittsburg/Antioch Pittsburg, CA |
4261 Century Blvd, 94565 (925) 228-7550 M - W 9:00 am - 4:00 pmTh 9:00 am - 6:00 pm F 9:00 am - 5:00 pm |
| Richmond Richmond, CA |
2500 Nevin Ave, 94804 (925) 228-7550 M - W 9:00 am - 4:00 pmTh 9:00 am - 6:00 pm F 9:00 am - 5:00 pm |
Where 1st Northern California has offices
Other credit unions headquartered in Martinez
| Mckesson & Healthcare Providers | $93.29 million |
| Shell Western States | $69.33 million |