Jacobus Baas was born in The Netherlands in 1945. He immigrated to the United States in or around 1955.
He settled in southern California and became a well-known landscape painter. He is a founding member of the
Laguna Plein Air Association. He is also a signature member of the Plein Air Painters of Hawaii.

The art of Jacobus Baas is or has been exhibited in museums, galleries, art fairs and other locations including but not necessarily limited to the following:
Arts Commission Building, Augusta, ME
Blaine House, Governor’s Residence, Augusta, ME
Bolsa Chica Plein Air Competition, Huntington Beach, CA
Bowers Museum, Santa Ana, CA
Cape Ann Plein Air Event, Cape Ann, MA
Carmel Plein Air Competition, Carmel, CA
Casa Romantica, San Clemente, CA
Crystal Cove Art Exhibition, Newport Beach, CA
Dowling and Walsh Gallery, Rockland, ME
Esther Wells Collection, Laguna Beach, CA
Festival of Arts, Laguna Beach, CA
Gallerie Amsterdam, Carmel, CA
Irvine Museum, Irvine, CA
Laguna Art Museum, Laguna Beach, CA
Maine Capitol Building, Augusta, ME
Maui Plein Air Invitational, Maui, HI
Morseburg Gallery, Los Angeles, CA
Nicholson's Antiques, Laguna Beach, CA
Orange County Museum of Art, Newport Beach, CA
Pacific Edge Gallery, Laguna Beach, CA
Pasadena Art Monkeys, Pasadena, CA
Pasadena Historical Museum, Pasadena, CA
Portico Fine Art Gallery, Montecito, CA
Santa Ana City Hall, Santa Ana, CA
Village Gallery, Lahaina, Maui, HI