Westamerica Bank

Sonoma Valley Bank

Acquisition: Westamerica Bank acquired a new subsidiary, Sonoma Valley Bank, 13 years

View Profile Aug 21 2010

County Bank

Acquisition: Westamerica Bank acquired a new subsidiary, County Bank, 15 years

View Profile Feb 07 2009

Community Banker Services Corporation

Community Banker Services Corporation became a new subsidiary organization for Westamerica Bank.

View Profile Mar 21 2008

National Bank Of The Redwoods

Acquisition: Westamerica Bank acquired a new subsidiary, National Bank Of The Redwoods, 19 years

View Profile Mar 12 2005

Kerman State Bank

Acquisition: Westamerica Bank acquired a new subsidiary, Kerman State Bank, 21 years

View Profile Jun 22 2002

First Counties Bank

Acquisition: Westamerica Bank acquired a new subsidiary, First Counties Bank, 23 years

View Profile Sep 16 2000

Westamerica Mortgage Company

Westamerica Mortgage Company became a new subsidiary organization for Westamerica Bank.

View Profile Sep 30 1999

Valliwide Bank

Acquisition: Westamerica Bank acquired a new subsidiary, Valliwide Bank, 26 years

View Profile Jun 21 1997

Napa Valley Bank

Acquisition: Westamerica Bank acquired a new subsidiary, Napa Valley Bank, 28 years

View Profile Apr 13 1996

Westamerica Property Company

Acquisition: Westamerica Bank acquired a new subsidiary, Westamerica Property Company , 28 years

View Profile Feb 22 1996

Novato National Bank

Acquisition: Westamerica Bank acquired a new subsidiary, Novato National Bank, 28 years

View Profile Sep 16 1995

Capitolbank Sacramento

Acquisition: Westamerica Bank acquired a new subsidiary, Capitolbank Sacramento, 28 years

View Profile Jun 10 1995

Pacific Valley National Bank

Acquisition: Westamerica Bank acquired a new subsidiary, Pacific Valley National Bank, 29 years

View Profile Feb 25 1995

Suisun Valley Bank

Acquisition: Westamerica Bank acquired a new subsidiary, Suisun Valley Bank, 31 years

View Profile May 22 1993

John Muir National Bank

Acquisition: Westamerica Bank acquired a new subsidiary, John Muir National Bank, 32 years

View Profile Feb 29 1992

Weststar Mortgage Corporation

Weststar Mortgage Corporation became a new subsidiary organization for Westamerica Bank.

View Profile Dec 14 1987

Trust Services Branch

Acquisition: Westamerica Bank acquired a new subsidiary, Trust Services Branch , 38 years

View Profile Nov 01 1985

Ukiah Main Branch

Acquisition: Westamerica Bank acquired a new subsidiary, Ukiah Main Branch , 40 years

View Profile Jul 01 1983

Vacaville Office

Acquisition: Westamerica Bank acquired a new subsidiary, Vacaville Office , 40 years

View Profile Jul 01 1983

Bank Of Sonoma County

Acquisition: Westamerica Bank acquired a new subsidiary, Bank Of Sonoma County, 40 years

View Profile Jul 01 1983

Bank Of Lake County

Acquisition: Westamerica Bank acquired a new subsidiary, Bank Of Lake County, 40 years

View Profile Jul 01 1983

Gold Country Bank

Acquisition: Westamerica Bank acquired a new subsidiary, Gold Country Bank, 40 years

View Profile Jul 01 1983

Westamerica Property Company

Westamerica Property Company became a new subsidiary organization for Westamerica Bank.

View Profile Jul 01 1983

First National Of Mendocino County Building Corporation, The

Acquisition: Westamerica Bank acquired a new subsidiary, First National Of Mendocino County Building Corporation, The , 42 years

View Profile Sep 01 1981

Westamerica Bancorporation

Westamerica Bancorporation became a new parent organization for Westamerica Bank.

View Profile Dec 31 1972

First National Of Mendocino County Building Corporation, The

First National Of Mendocino County Building Corporation, The became a new subsidiary organization for Westamerica Bank.

View Profile Dec 31 1972

Westamerica Bank

Westamerica Bank was established 140 years ago and is currently headquartered in San Rafael, CA.

Feb 24 1884