FDIC-insured bank
Westamerica Bank — San Rafael, CA
Bank headquartered in San Rafael, California, part of WESTAMERICA BCORP.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 1108 5th Ave San Rafael, CA 94901 |
| County | Marin |
| Metro area | San Francisco-Oakland-Berkeley, CA |
| Website | www.westamerica.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 3430 |
| Federal Reserve RSSD ID | 697763 |
| Status | Active |
| Charter class | SM (STATE) |
| Holding company | WESTAMERICA BCORP |
| Domestic offices | 75 |
| Financials as of | June 30, 2026 |
How to find your Westamerica Bank routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.westamerica.com.
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Offices nearest to headquarters
| Westamerica Bank main office San Rafael, CA |
1108 5th Ave, 94901 |
| Larkspur Branch Larkspur, CA |
1115 Magnolia Ave, 94939 |
| Francisco-Irene Branch San Rafael, CA |
1177 Francisco Blvd E, 94901 |
| San Anselmo Branch San Anselmo, CA |
834 Sir Francis Drake Blvd, 94960 |
| Northgate Branch San Rafael, CA |
1 Mitchell Blvd, 94903 |
| Mill Valley Branch Mill Valley, CA |
64 E Blithedale Ave, 94941 |
| Strawberry Branch Mill Valley, CA |
750 Redwood Hwy Frontage Rd, 94941 |
| Ignacio Branch Novato, CA |
300 Ignacio Blvd, 94949 |
| Sausalito Branch Sausalito, CA |
1 Harbor Dr, 94965 |
| Novato Branch Novato, CA |
7333 Redwood Blvd, 94945 |
| Washington Square Branch Petaluma, CA |
203 S Mcdowell Blvd, 94954 |
| Vallejo Branch Vallejo, CA |
1660 Tennessee St, 94590 |
75 offices in total. Browse them by city through the state pages.
Where Westamerica Bank has offices
Cities with the most Westamerica Bank offices
Other banks headquartered in San Rafael
| First Federal Savings and Loan Association of San Rafael | $222.12 million |
Largest banks headquartered elsewhere in California
| City National Bank Los Angeles | $99.10 billion |
| East West Bank Pasadena | $84.32 billion |
| Banc of California Los Angeles | $34.90 billion |
| Axos Bank San Diego | $28.87 billion |
| Cathay Bank Los Angeles | $24.64 billion |
| Mechanics Bank Walnut Creek | $21.25 billion |
| Citizens Business Bank, National Association Ontario | $21.18 billion |
| Bank of Hope Los Angeles | $18.99 billion |
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