Branch Presence
Banks with Branches in Santa Rosa, CA
Wells Fargo Bank, N.A. is the biggest bank in Santa Rosa, CA, with $3.36B in deposits at its Santa Rosa branches, 27.3% of the city's total as of the June 30, 2026 FDIC Summary of Deposits. Exchange Bank has the most branches here, with 7.
14 banks operate 35 branches in Santa Rosa, CA, ranked below by local branch count from the FDIC Summary of Deposits. This counts every bank with a branch here, not only banks headquartered locally.
Deposit share is each bank's share of the $12.31B held in Santa Rosa, CA, as of the June 30, 2026 FDIC Summary of Deposits, ranked by deposits (#1 is largest). Banks that book deposits at a headquarters branch can show a share that exceeds their local customer base.
| Bank | Branches in Santa Rosa | Local deposits | Deposit share |
|---|---|---|---|
| Exchange Bank | 7 | $1.34B | 10.9% (#3) |
| JPMorgan Chase Bank, N.A. | 5 | $1.03B | 8.4% (#5) |
| Wells Fargo Bank, N.A. | 4 | $3.36B | 27.3% (#1) |
| Poppy Bank | 4 | $3.21B | 26.1% (#2) |
| WaFd Bank | 2 | $1.11B | 9.0% (#4) |
| Bank of America, N.A. | 2 | $952.6M | 7.7% (#6) |
| Columbia Bank | 2 | $220.0M | 1.8% (#8) |
| Westamerica Bank | 2 | $131.1M | 1.1% (#10) |
| BMO Bank N.A. | 2 | $107.8M | 0.9% (#11) |
| Summit State Bank | 1 | $539.9M | 4.4% (#7) |
| U.S. Bank N.A. | 1 | $158.6M | 1.3% (#9) |
| Bank of Marin | 1 | $76.9M | 0.6% (#12) |
| Mechanics Bank | 1 | $37.0M | 0.3% (#13) |
| Tri Counties Bank | 1 | $36.0M | 0.3% (#14) |
County deposit market: Sonoma, CA
The $19.60B held across 14 FDIC-insured banks in this county, as of the June 30, 2026 FDIC Summary of Deposits. The 10 largest are shown; see every bank in the Sonoma, CA market with its change from a year earlier. Banks only: credit unions are not in the Summary of Deposits.
| Rank | Bank | Deposit share | Deposits | Branches |
|---|---|---|---|---|
| 1 | Wells Fargo Bank, N.A. | 24.6% | $4.82B | 11 |
| 2 | Poppy Bank | 17.8% | $3.50B | 6 |
| 3 | Exchange Bank | 13.8% | $2.71B | 16 |
| 4 | JPMorgan Chase Bank, N.A. | 11.9% | $2.32B | 13 |
| 5 | Bank of America, N.A. | 10.0% | $1.96B | 7 |
| 6 | WaFd Bank | 5.7% | $1.11B | 2 |
| 7 | Summit State Bank | 4.3% | $846.1M | 4 |
| 8 | Westamerica Bank | 3.3% | $650.8M | 9 |
| 9 | BMO Bank N.A. | 2.7% | $527.8M | 8 |
| 10 | U.S. Bank N.A. | 2.0% | $397.8M | 3 |
Metro area deposit market: Santa Rosa-Petaluma, CA
The $19.60B held across 14 FDIC-insured banks in this metro area, as of the June 30, 2026 FDIC Summary of Deposits. The 10 largest are shown; see every bank in the Santa Rosa-Petaluma, CA market with its change from a year earlier. Banks only: credit unions are not in the Summary of Deposits.
| Rank | Bank | Deposit share | Deposits | Branches |
|---|---|---|---|---|
| 1 | Wells Fargo Bank, N.A. | 24.6% | $4.82B | 11 |
| 2 | Poppy Bank | 17.8% | $3.50B | 6 |
| 3 | Exchange Bank | 13.8% | $2.71B | 16 |
| 4 | JPMorgan Chase Bank, N.A. | 11.9% | $2.32B | 13 |
| 5 | Bank of America, N.A. | 10.0% | $1.96B | 7 |
| 6 | WaFd Bank | 5.7% | $1.11B | 2 |
| 7 | Summit State Bank | 4.3% | $846.1M | 4 |
| 8 | Westamerica Bank | 3.3% | $650.8M | 9 |
| 9 | BMO Bank N.A. | 2.7% | $527.8M | 8 |
| 10 | U.S. Bank N.A. | 2.0% | $397.8M | 3 |
Banks in Santa Rosa: common questions
What is the biggest bank in Santa Rosa, CA?
Wells Fargo Bank, N.A. is the biggest bank in Santa Rosa, CA, with $3.36B in deposits at its Santa Rosa branches, 27.3% of the city's total as of the June 30, 2026 FDIC Summary of Deposits. Exchange Bank has the most branches there, with 7.
How many banks are in Santa Rosa, CA?
14 FDIC-insured banks operate 35 branches in Santa Rosa, CA as of the June 30, 2026 FDIC Summary of Deposits. This counts every bank with a branch in the city, not only banks headquartered there. Credit unions are not in the Summary of Deposits.
What are the largest banks in Santa Rosa, CA?
Ranked by deposits held in Santa Rosa branches as of the June 30, 2026 FDIC Summary of Deposits: 1. Wells Fargo Bank, N.A. (27.3%); 2. Poppy Bank (26.1%); 3. Exchange Bank (10.9%); 4. WaFd Bank (9.0%); 5. JPMorgan Chase Bank, N.A. (8.4%). The share is each bank's part of all deposits in the city.
Largest banks in California
For the state as a whole, see the largest banks in California, ranked by total assets and by deposits in California branches, or every bank in the California bank directory.
Banks in other California cities:
About this data
Branch counts and local deposits come from the FDIC Summary of Deposits, the annual June 30 survey of branch-office deposits for every FDIC-insured bank. Click any bank to see its full regulatory profile and complete branch network. Looking for banks headquartered here instead? See the US bank directory.