The fire burned near and around homes, but only one uninhabited home was destroyed.
The first call came in at 2:45 p.m. Wednesday, near Tesla and Corral Hollow roads, a Cal Fire official said. Carnegie Motocross Park at 18600 Corral Hollow Road was evacuated.
The fire burned on both sides of Tesla Road, Cal Fire fire prevention specialist Pam Temmermand said.
VIDEO: Viewers sent in photos of smoke seen from Livermore
Lawrence Livermore National Lab is nearby, but said the fire is not moving toward the lab.
PHOTOS: Crews battle fire near Livermore
Alameda County fire, Cal Fire, and additional crews are working throughout the night to try to contain this fire. Air drops were suspended overnight due to safety concerns, but they will resume in Thursday morning.
#TeslaFire [update] off Tesla Rd between Tracy & Livermore (Alameda County) is now 1000 acres.— CAL FIRE (@CAL_FIRE) August 20, 2015
Firefighters are battling a 100 acre wildfire off Corall Hollow Rd & Tesla Rd between Tracy & Livermore (Alameda County). #TeslaFire— CAL FIRE (@CAL_FIRE) August 19, 2015
Current conditions near the fire off Tesla Road: warm, dry, and breezy. We're updating on abc7 News at 4pm. pic.twitter.com/0IwD6DrBYp— Spencer Christian (@SpencerABC7) August 19, 2015
Bay City news contributed to this report.