Evacuation orders expanded on Tuesday as a brush fire in Alameda County south of Pleasanton was quickly spreading, authorities said.
Cal Fire said the Little Fire started at 3:39 p.m. in the area of Little Valley Road and Hubbard Lane in the unincorporated community of Sunol, southeast of Callippe Preserve Golf Course and just west of the Vallecitos Nuclear Center.
The Little Fire has burned an estimated 700 acres and was at 0% containment as of 5 p.m., according to Cal Fire.
The Little Fire burns just south of Pleasanton in Sunol, July 21, 2026.
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Evacuations in Pleasanton, Sunol
An evacuation order was initially issued for Zone ALC-072, the area north of State Route 84 / Vallecitos Road, east of Interstate Highway 680, and south of Callippe Golf Course in Sunol.
Around 5 p.m. the evacuation order was expanded north and east to Zones PLS-103, PLS-081, and PLS-080, areas east of the golf course and west of Isabel Avenue, which includes the exclusive Ruby Hill gated community on the eastern edge of Pleasanton.
Zones PLS-082 and PLS-079 in Pleasanton were also under an evacuation order after their evacuation warnings were upgraded. The areas are south of Vineyard Avenue and east of Bernal Avenue and the Vintage Hills neighborhood.
There was no immediate word on the cause of the fire.
Cal Fire said that firefighters were being challenged by limited access and hot weather, and were attacking the fire on the ground with engines, crews, and bulldozers, and in the air with tankers and helicopters. The agency said it was a unified command with Alameda County Fire Department.
The Oakland Fire Department said it was providing a mutual aid response with about 25 firefighters headed to Pleasanton as of 5:30 p.m.
This is a breaking news update. More information to be added as available.
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