Cal Fire says a fire has spread to about 100 acres Monday afternoon near Esparto.
Calling it the Capay Fire, crews say it started off County Roads 23 and 81 at around 11:40 a.m.
No evacuations have been ordered.
Firefighters were able to stop forward progress of the fire at 200 acres. Full containment came a little before 4 p.m., Cal Fire officials ntoed.