[3] Joining Vallejo in 1949 league play were the Klamath Falls Gems, Marysville Braves, Medford Nuggets, Pittsburg Diamonds, Redding Browns, Santa Rosa Pirates and Willows Cardinals.
The Vallejo franchise replaced the Oroville Red Sox in league play.
[4][5] Beginning play in the Far West League on April 29, 1949, the Vallejo Chiefs folded during the season.
At the time they folded, the Chiefs had compiled a 34–58 record, playing under manager Lou Vezilich.
[2][5] The Vallejo Chiefs played minor league home games at A.F.