A fire was reported at the Gridley farm labor camp at 2:00 p.m. on Monday. The camp is located at 850 East Gridley Road.
According to CAL FIRE, the first crew arrived to find about a 1/2 acre fire burning in grass and berry bushes at a moderate rate of speed.
It took about an hour for the firefighters to stop progress at 1 1/2 acres.
CAL FIRE officials say the clean up will take a couple of hours.