Westamerica Bank

  • Bank Name:Westamerica Bank
  • Bank Class:State Chartered - FED Member Bank
  • Member FDIC:Certificate #3430
  • Routing Number:ACH & Wire - 121140218
  • Locations:77 Branches in California
  • Web Address:westamerica.com
Headquarters:1108 Fifth Avenue, San Rafael, California 94901

Westamerica Bank Information

Westamerica Bank was founded in February 1884 and is based in San Rafael, California. The bank operates as a subsidiary of Westamerica Bancorporation. According to the Federal Deposit Insurance Corporation records and based on the institution's charter type, Westamerica Bank is classified as a commercial bank, state charter and Fed member, supervised by the Federal Reserve (FRB). Westamerica Bank is a FDIC-insured bank with certificate number of 3430. The assigned Fed RSSD ID of Westamerica Bank is 697763.

Westamerica Bank currently operates with 77 branches located in California. Westamerica Bank is the 11th largest bank in California. The bank does not have any offices outside California. As of today, Westamerica Bank is the 94th largest bank in US by branch count.

A routing number is a nine-digit code used to identify a financial institution. The bank has one routing number in our database and the routing number for Westamerica Bank is 121140218. This routing number is necessary to process ACH transfers, wire transactions, direct deposits, bill payments, and other monetary transfers within the US.

The full address of bank headquarters is 1108 Fifth Avenue, San Rafael, CA 94901. You can visit the official website of the bank at https://www.westamerica.com for more information and online banking service if available. For a comprehensive list of Westamerica Bank branches, including detailed information such as hours of operation, contact numbers, addresses, available services, and more, please narrow your search by selecting a location from the map or list below.

Map Of Branch Locations

Bank Offices In California

3421 Broadway, Suite E2, American Canyon 94503
735 Bellevue Road, Atwater 95301
2130 Chester Avenue, Bakersfield 93301
20 Solano Square, Benicia 94510
1110 Washington Street, Calistoga 94515
1788 Mitchell Road Suite 104, Ceres 95307
15342 Lakeshore Drive, Clearlake 95422
536 Shaw Ave, Clovis 93612
1333 Willow Pass Road, Suite 100, Concord 94520
1507 Center Street, Dos Palos 93620
2400 Hilborn Road, Fairfield 94534
1312 P Street, Firebaugh 93622
2440 Tulare Street, Suite 110, Fresno 93721
1172 East Shaw Avenue, Fresno 93710
7032 North First Street, Fresno 93720
5751 South Elm Avenue, Fresno 93706
2150 West Shaw Ave, Fresno 93711
13751 Arnold Drive, Glen Ellen 95442
375 Brunswick Road, Grass Valley 95945
39225 Highway 1 South, Gualala 95445
16265 Main Street, Guerneville 95446
890 West Lacey Boulevard, Hanford 93230
511 Healdsburg Avenue, Healdsburg 95448
8019 North Lander Avenue, Hilmar 95324
36582 Dinero Way, Huron 93234
4025 Main Street, Kelseyville 95451
306 South Madera Avenue, Kerman 93630
1400 Draper Street, Kingsburg 93631
6100 Lake Isabella Boulevard, Lake Isabella 93240
650 N Main Street, Suite A, Lakeport 95453
1115 Magnolia Avenue, Larkspur 94939
640 Main Street, Livingston 95334
953 West Pacheco Boulevard, Los Banos 93635
401 West Yosemite Avenue, Madera 93637
5121 Highway 140, Mariposa 95338
590 Center Avenue, Martinez 94553
605 W 18th St, Merced 95341
490 West Olive Avenue, Merced 95340
21058 Calistoga Road, Middletown 95461
64 East Blithedale Avenue, Mill Valley 94941
750 Redwood Highway Frontage Rd, Ste 1222, Mill Valley 94941
1524 Mchenry Avenue, Modesto 95350
901 N. Carpenter Road, Suite 90, Modesto 95351
1 Financial Plaza, Napa 94558
1507 West Imola Avenue, Napa 94559
7333 Redwood Boulevard, Novato 94945
300 Ignacio Boulevard, Novato 94949
11240 Pleasant Valley Road, Penn Valley 95946
203 South Mcdowell Boulevard, Petaluma 94954
5700 Stoneridge Mall, Suite 110, Pleasanton 94588
2893 Sunrise Boulevard, Suite 106, Rancho Cordova 95742
300 Rohnert Park Expressway, Rohnert Park 94928
1610 Arden Way, Suite 199, Sacramento 95815
300 Capitol Mall Ste150, Sacramento 95814
1000 Adams Street, Saint Helena 94574
834 Sir Francis Drake Boulevard, San Anselmo 94960
343 Sansome Street, San Francisco 94104
1108 Fifth Avenue, San Rafael 94901
1177 East Francisco Boulevard, San Rafael 94901
1 Mitchell Boulevard, San Rafael 94903
1500 7th Street, Sanger 93657
111 Santa Rosa Avenue, Suite 120, Santa Rosa 95404
2498 Guerneville Road, Santa Rosa 95403
1 Harbor Drive, Sausalito 94965
105 North Main Street, Sebastopol 95472
600 James Street, Shafter 93263
202 West Napa Street, Sonoma 95476
1311 Sanguinetti Road 1311-A, Sonora 95370
811 Center Street, Taft 93268
1917 Hillman Street, Tulare 93274
2891 Geer Road, Turlock 95382
325 East Perkins, Ukiah 95482
138 Peabody Road, Vacaville 95687
1660 Tennessee Street, Vallejo 94590
800 West Main Street, Visalia 93291
1676 North California Blvd., #p-120, Walnut Creek 94596
6470 Washington Street, Yountville 94599

History Of Westamerica Bank

Westamerica Bank is a regional bank based in California, originally established on February 24, 1884, as The First National Bank of Cloverdale. The institution underwent several name changes and regulatory transitions throughout its history. In February 1980, it became The First National Bank of Mendocino County, and on July 1, 1983, it adopted the name Westamerica Bank, National Association. The bank relocated its main office to San Rafael, California, during the same year and later changed its name to simply Westamerica Bank on August 31, 1993. Over the years, Westamerica Bank expanded through multiple acquisitions, including notable mergers with institutions such as the National Bank of the Redwoods in 2005 and Sonoma Valley Bank in 2010, many of which were conducted under government-assisted merger programs. In January 2008, the bank withdrew from the Federal Reserve System, later returning and becoming a member again in May 2011. Today, Westamerica Bank operates as a state-chartered bank and is regulated by the Federal Reserve.

Below is a list of some important events in bank's history, including mergers and acquisitions.

05-27-2011Changed Primary Federal Regulatory Agency to FED.

05-27-2011Changed Bank Class to State Chartered Bank, member of the Federal Reserve System (FRS).

05-27-2011Institution becomes member of the Federal Reserve System.

08-20-2010Acquired Sonoma Valley Bank in Sonoma, CA as part of a government assisted merger.

02-06-2009Acquired County Bank in Merced, CA as part of a government assisted merger.

View 27 More Events in Bank's History …

Reviews & Complaints

Chris Spangler
Chris Spangler · 2 December 2023
Branch review: Sebastopol Branch

My mother was frauded by a fake life insurance burial scheme 117.00 month for two years and the people at this bank didn't help her file a claim with fraud dept. My mom is 83 years old. Shame on this bank wow do your business somewhere else.... Read more

Jo-Ren Sensei
Jo-Ren Sensei · 25 March 2022
★★★★★ Branch review: Visalia Branch

I have had a checking account with Westamerica for over 7 years. I am living on social security and a small income. On top of that, I am 80. I could never imagine a kinder and more helpful group of people. I have had not even one complaint.... Read more

Carol Weser
Carol Weser · 9 October 2021
Branch review: Santa Rosa Branch

COMPLAINT: I arrived late afternoon Thursday 10/7 and because of the remodeling of the building I couldn't get to the drop box but a lady inside the suite took my deposit envelope through the crack in the door. . However, they didn't open the envelope on Friday and the deposits aren't on my web account. I suspect the envelope was put in the wrong place or lost or? Since Monday is a bank holiday, I... Read more

View 2 More Comments & Reviews …

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Bank Rating & Reviews
3.5 / 5
  • Rating 3.50/

Bank rating displayed here is the average value for all Westamerica Bank branches. A total of 22 customers had cast their vote for 77 branches and in average, Westamerica Bank got a score of 3.5 out of 5 stars. The bank has 5 reviews or customer complaints filed.

Popular Branches
800 West Main Street, Visalia, CA 93291
15342 Lakeshore Drive, Clearlake, CA 95422
5121 Highway 140, Mariposa, CA 95338
650 N Main Street, Suite A, Lakeport, CA 95453
1108 Fifth Avenue, San Rafael, CA 94901
7333 Redwood Boulevard, Novato, CA 94945
375 Brunswick Road, Grass Valley, CA 95945
Newly Opened Branches

No new branches were opened in the last 12 months...

Closed Branches

No branches were closed in the last 12 months...

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