A four-alarm grass fire on the south side of San Bruno Mountain in South San Francisco was contained Saturday before it spread to any structures, according to local officials.
The fire, which was reported around 1:55 p.m. near the intersection of Hillside Boulevard and Chestnut Avenue, had grown to 40 to 50 acres as of around 3:30 p.m., according to county officials.
Some homes in the area had been evacuated as of 3 p.m., according to a San Mateo County Fire Dispatcher.
Firefighters responded with two Cal Fire aircraft and one helicopter and helitack handcrew, according to Brian Molver, district coordinator for the San Mateo County Office of Emergency Services.
No injuries were reported, but some roads were closed including Hillside at Airport boulevard and Chestnut, Molver said.
The fire did not spread to Brisbane, according to Randy Breault, the director of public works for that city.