Banks in Sonoma, CA
Branches open
9
Banks present
9
Deposits (2026)
$1.1B
Closings on record
3
1 openings
Banks by deposits in Sonoma (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Wells Fargo | $237M | 21% | 1 |
| Chase Bank | $219M | 19.4% | 1 |
| Bank of America | $151M | 13.3% | 1 |
| Westamerica Bank | $146M | 12.9% | 1 |
| Exchange Bank | $137M | 12.1% | 1 |
| U.S. Bank | $118M | 10.5% | 1 |
| BMO Bank | $48M | 4.2% | 1 |
| Bank of Marin | $40M | 3.6% | 1 |
| Mechanics Bank | $34M | 3% | 1 |
All branches
- Wells Fargo — 480 W Napa St$237M
- Chase Bank — 501 Broadway$219M
- Bank of America — 35 W Napa St$151M
- Westamerica Bank — 202 W Napa St$146M
- Exchange Bank — 435 W Napa St$137M
- U.S. Bank — 500 Broadway$118M
- BMO Bank — 201 W Napa St$48M
- Bank of Marin — 136 W Napa St$40M
- Mechanics Bank — 19245 Sonoma Highway$34M
Closings
- 531 5TH ST W · closed May 26, 2023
- 10 MAPLE STREET · closed October 31, 2022
- Umpqua Bank — Sonoma, CAbank exits city135 W. NAPA ST. · closed October 29, 2021
Transcribed from FDIC BankFind Suite active-location records, the annual Summary of Deposits and structure-change records. Deposit figures reflect the office to which deposits are reported and may not represent where depositors live.