Westamerica Bank, History

The following are major historical events for Westamerica Bank, including mergers and acquisitions.

1884-02-24Institution established: Original name:The First National Bank of Cloverdale
1980-02-04Changed name to The First National Bank of Mendocino County
1980-02-11Moved bank headquarters from CLOVERDALE, CA to UKIAH, CA
1983-07-01Moved bank headquarters from UKIAH, CA to SAN RAFAEL, CA
1983-07-01Acquired Bank of Marin (18617) in SAN RAFAEL, CA
1983-07-01Acquired Gold Country Bank (21835) in GRASS VALLEY, CA
1983-07-01Changed name to Westamerica Bank, National Association
1983-07-01Acquired Vaca Valley Bank (17528) in VACAVILLE, CA
1983-07-01Acquired Bank of Sonoma County (1302) in SANTA ROSA, CA
1983-07-01Acquired Bank of Lake County (8010) in LAKEPORT, CA
1985-10-31Acquired Westamerica Trust Company (90549) in SAN RAFAEL, CA
1992-02-28Acquired John Muir National Bank (25912) in MARTINEZ, CA
1993-05-21Acquired Suisun Valley Bank (23302) in FAIRFIELD, CA
1993-08-31Changed primary regulatory agency from COMPTROLLER OF THE CURRENCY to FEDERAL RESERVE BOARD
1993-08-31Changed name to Westamerica Bank
1995-02-24Acquired Pacific Valley National Bank (24183) in MODESTO, CA
1995-06-10Acquired CapitolBank Sacramento (22260) in SACRAMENTO, CA
1995-09-16Acquired Novato National Bank (26234) in NOVATO, CA
1996-04-12Acquired Napa Valley Bank (20432) in NAPA, CA
1997-06-21Acquired ValliWide Bank (21166) in FRESNO, CA
2000-08-19Acquired Bank of Lake County (27320) in LAKEPORT, CA
2000-09-16Acquired First Counties Bank (26250) in CLEARLAKE, CA
2002-06-21Acquired Kerman State Bank (24228) in KERMAN, CA
2005-03-12Acquired National Bank of the Redwoods (25910) in SANTA ROSA, CA
2008-01-14Changed institution class to INSURED COMMERCIAL BANKS, STATE, NOT MEMBERS OF THE FRS
2008-01-14Changed primary regulatory agency from FEDERAL RESERVE BOARD to FEDERAL DEPOSIT INSURANCE CORPORATION
2009-02-06Acquired County Bank (22574) in MERCED, CA as part of a government assisted transaction.
2010-08-20Acquired Sonoma Valley Bank (27259) in SONOMA, CA as part of a government assisted transaction.
2011-05-27Changed institution class to INSURED COMMERCIAL OR SAVINGS BANKS, STATE, MEMBERS FRS
2011-05-27Changed primary regulatory agency from FEDERAL DEPOSIT INSURANCE CORPORATION to FEDERAL RESERVE BOARD