Credit union
1st Northern California Credit Union
Martinez, California, Contra Costa County, CA
$829M in total assets and 32,174 members, the 548th largest of 4,298 US credit unions and 76th of 229 headquartered in California.
- NCUA charter
- 68668
- Charter
- State chartered (CA)
- Chartered
- 1949
- NCUA insured since
- 1971
- Website
- http://www.1stnorcalcu.org/
Earlier filings under Contra Costa Federal Credit Union (charter 6333), before a charter conversion, are included in the history below.
At a glance
Compared with 79 federally insured credit unions in California with $100 million to $1 billion in assets, as of June 30, 2026.
| Measure | This credit union | Percentile | Peer range, middle 90% | Peer median |
|---|---|---|---|---|
| Total assets | $829M | 89% | $277M | |
| Loans | $420M | 80% | $154M | |
| Deposits (shares) | $720M | 87% | $252M | |
| Members | 32,174 | 81% | 16,315 | |
| Return on assets | 0.56% | 54% | 0.49% | |
| Net interest income to assets | 2.74% | 19% | 3.46% | |
| Efficiency ratio | 79.4% | 49% | 80.1% | |
| Net worth ratio | 11.81% | 54% | 11.05% | |
| Loans to shares | 58% | 29% | 74% | |
| Cost of deposits | 1.25% | 52% | 1.24% |
Ratios are annualized from year-to-date figures. Return on assets uses average assets, as NCUA does. Cost of deposits includes dividends on shares.
Growth
Total assets grew 2.1% a year over 10 years but fell 0.9% a year over the last 5, including 1 merger in the last 10 years. Membership grew 0.8% a year over 5 years, to 32,174.
Mergers and acquisitions
| Closed | Absorbed | Assets at last filing |
|---|---|---|
| Jul 2020 | C & H Sugar Employees Federal Credit Union Credit union, Crockett, CA | $8M |
| May 2014 | Pittsburg Employees Federal Credit Union Credit union, Pittsburg, CA | $6M |
Where they operate
6 branches in 2 counties.
Largest counties by branches
| County | Branches | Share of all branches | Rank |
|---|---|---|---|
| Contra Costa County, CA | 5 | 2.2% | 10 of 56 |
| Solano County, CA | 1 | 1.4% | 13 of 21 |
Credit unions do not report deposits by branch, so these are branch counts: this credit union's branches against every bank and credit union branch in the county. Rank is among all banks and credit unions with a branch there.
Branches by year
| Year end | Branches | Change |
|---|---|---|
| 2016 | 6 | |
| 2017 | 6 | 0 |
| 2018 | 5 | −1 |
| 2019 | 5 | 0 |
| 2020 | 7 | +2 |
| 2021 | 7 | 0 |
| 2022 | 7 | 0 |
| 2023 | 7 | 0 |
| 2024 | 7 | 0 |
| 2025 | 6 | −1 |
| Jun 2026 | 6 | 0 |
Member-serving offices as listed in NCUA call reports. Changes include branches gained in mergers.
Earnings and credit
Return on assets
Year to date, annualized, with the peer median.
Credit and capital
| This credit union | Peer median | |
|---|---|---|
| Delinquent loans, 60+ days | 0.03% | 0.48% |
| Net worth ratio | 11.81% | 11.05% |
| Loans to shares | 58% | 74% |
Delinquent loans are two or more months past due. Net worth is NCUA's capital measure for credit unions.
Related
Credit unions of similar size in California
Most branches in Contra Costa County, CA
Figures as of June 30, 2026 from the credit union's NCUA call report (Form 5300), NCUA's credit union locator and FFIEC merger records.