Branch Presence
Banks with Branches in San Mateo, CA
Bank of America, N.A. is the biggest bank in San Mateo, CA, with $1.66B in deposits at its San Mateo branches, 22.3% of the city's total as of the June 30, 2026 FDIC Summary of Deposits. JPMorgan Chase Bank, N.A. has the most branches here, with 4.
19 banks operate 27 branches in San Mateo, 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 $7.48B held in San Mateo, 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 San Mateo | Local deposits | Deposit share |
|---|---|---|---|
| JPMorgan Chase Bank, N.A. | 4 | $1.66B | 22.2% (#2) |
| Wells Fargo Bank, N.A. | 3 | $1.27B | 17.0% (#3) |
| Bank of America, N.A. | 2 | $1.66B | 22.3% (#1) |
| East West Bank | 2 | $798.9M | 10.7% (#4) |
| Citibank, N.A. | 2 | $546.0M | 7.3% (#5) |
| First-Citizens Bank & Trust Company | 1 | $269.2M | 3.6% (#6) |
| Citizens Business Bank, N.A. | 1 | $245.7M | 3.3% (#7) |
| U.S. Bank N.A. | 1 | $216.2M | 2.9% (#8) |
| EverBank, N.A. | 1 | $169.9M | 2.3% (#9) |
| Commercial Bank of California | 1 | $147.9M | 2.0% (#10) |
| Tri Counties Bank | 1 | $113.4M | 1.5% (#11) |
| BMO Bank N.A. | 1 | $68.2M | 0.9% (#12) |
| Zions Bancorporation, N.A. | 1 | $66.3M | 0.9% (#13) |
| Fifth Third Bank, N.A. | 1 | $56.0M | 0.7% (#14) |
| First Bank | 1 | $52.5M | 0.7% (#15) |
| Beacon Business Bank, N.A. | 1 | $43.6M | 0.6% (#16) |
| Cathay Bank | 1 | $40.6M | 0.5% (#17) |
| Southwestern National Bank | 1 | $39.6M | 0.5% (#18) |
| First Commercial Bank (U.S.A) | 1 | $10.9M | 0.1% (#19) |
County deposit market: San Mateo, CA
The $38.86B held across 30 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 San Mateo, 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 | JPMorgan Chase Bank, N.A. | 24.4% | $9.48B | 24 |
| 2 | Wells Fargo Bank, N.A. | 23.2% | $9.03B | 23 |
| 3 | Bank of America, N.A. | 18.3% | $7.13B | 17 |
| 4 | Citibank, N.A. | 7.7% | $2.97B | 10 |
| 5 | U.S. Bank N.A. | 5.8% | $2.25B | 13 |
| 6 | Valley National Bank | 5.2% | $2.01B | 1 |
| 7 | East West Bank | 2.8% | $1.11B | 3 |
| 8 | Tri Counties Bank | 2.3% | $905.5M | 8 |
| 9 | EverBank, N.A. | 1.2% | $482.9M | 3 |
| 10 | BMO Bank N.A. | 1.2% | $459.7M | 7 |
Metro area deposit market: San Francisco-Oakland-Berkeley, CA
The $512.65B held across 69 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 San Francisco-Oakland-Berkeley, 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 | Bank of America, N.A. | 48.7% | $249.87B | 98 |
| 2 | Wells Fargo Bank, N.A. | 17.7% | $90.77B | 123 |
| 3 | JPMorgan Chase Bank, N.A. | 10.9% | $55.66B | 130 |
| 4 | Citibank, N.A. | 3.2% | $16.54B | 63 |
| 5 | Bank of America California, N.A. | 2.4% | $12.31B | 1 |
| 6 | BMO Bank N.A. | 2.0% | $10.35B | 50 |
| 7 | U.S. Bank N.A. | 1.8% | $9.21B | 58 |
| 8 | Citizens Bank, N.A. | 1.6% | $8.41B | 4 |
| 9 | East West Bank | 1.2% | $6.39B | 17 |
| 10 | HSBC Bank USA, N.A. | 1.0% | $5.10B | 2 |
Banks in San Mateo: common questions
What is the biggest bank in San Mateo, CA?
Bank of America, N.A. is the biggest bank in San Mateo, CA, with $1.66B in deposits at its San Mateo branches, 22.3% of the city's total as of the June 30, 2026 FDIC Summary of Deposits. JPMorgan Chase Bank, N.A. has the most branches there, with 4.
How many banks are in San Mateo, CA?
19 FDIC-insured banks operate 27 branches in San Mateo, 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 San Mateo, CA?
Ranked by deposits held in San Mateo branches as of the June 30, 2026 FDIC Summary of Deposits: 1. Bank of America, N.A. (22.3%); 2. JPMorgan Chase Bank, N.A. (22.2%); 3. Wells Fargo Bank, N.A. (17.0%); 4. East West Bank (10.7%); 5. Citibank, N.A. (7.3%). 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.