Firefighters have closed Highway 395 south of Gardnerville, near Ray May Way, to battle a fast-moving wildland fire threatening at least five structures.
Reports of the fire came in at about 12:25 p.m. Friday. The incident has been named the Carter Springs fire.
East Fork crews on scene said the flames were on the east side of the highway, consuming about 30 acres, and spreading south at a fast rate towards structures "in immediate danger."
The fire was reportedly burning in multiple spots.
By 12:35 p.m., rescue personnel were preparing to evacuate homes in the area, assisted by Douglas County Search and Rescue and the Sheriff's Office.
The hills above Pine View Estates were burned last summer in the 4,180-acre Ray May Fire, which started Aug. 16, 2011.
County Manager Steve Mokrohisky said Friday afternoon that East Fork Fire officials were working to set up a phone line for concerned residents. In the meantime, he said, residents should call East Fork at 782-9040 with any questions.
The highway has been closed at Ray May Way to the north and at Pine Valley Road to the south.
By 1:10 p.m. Friday, one air tanker, one helicopter, six engines, one hand crew and two command posts were battling the blaze.
NV Energy crews also responded to impacted power lines. Other agencies on scene included Bureau of Land Management, U.S. Forest Service and the Nevada Division of Forestry.