The agency leasing the Treasure Island space where the barge is being built says the four-story vessel is bound for the Port of Stockton, a destination located about 80 miles east of San Francisco.
The Treasure Island Development Authority says it has been notified the barge will move by March 7.
Google Inc. and the Port of Stockton didn't immediately respond to requests for comment.
The barge is leaving because of a Jan. 31 regulatory order concluding that Google didn't have the proper building permits at Treasure Island.
Google says the barge will become a floating technology center once it's done.
Rows of corn, eggplant, and squash grow in an urban garden in Stockton, providing food for more than two dozen families. Organizers hope it's a model for future urban gardens throughout the Central Valley.
Some California prison inmates are getting special training behind bars. Rich Ibarra reports they're learning to train service dogs.
The family of a hostage killed in the chase that followed a bank robbery in Stockton last year has filed a wrongful death suit.