The fire broke out in the area of the 5000 block of Sierra Road and began burning just after 9 p.m. According to San Jose Fire, about 5 acres of land had burned by 9:30 p.m.
In a social media post, Mayor Matt Mahan said Cal Fire crews were also responding to the fire.
Just before 10 p.m., San Jose Fire said firefighters were able to stop the fire from advancing on the right flank.
The flames were not a threat to structures.
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