Authorities have not said if the operations were linked to one another but in total, they recovered 20,133 plants and detained 24 people in Alameda County.
The San Francisco district attorney's office is partnering with the nonprofit Code for America to proactively wipe out thousands of cannabis convictions using a computer algorithm.
Officials seized roughly 100 pot-growing houses that they say were purchased with money wired to the United States by a Chinese-based crime organization.
A raid on a marijuana grow site in Santa Cruz County turned into a shootout, leaving a suspect in stable condition.
Contra Costa County Firefighters discovered a large marijuana grow operation while responding to a fire on Bugle Way in Antioch Sunday afternoon.
A routine traffic stop in the East Bay led to a big pot bust.