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GRANITE BAY — A nearly 7,000 square foot mansion was in flames Sunday night in Granite Bay, reports Cmdr. Darren McMillan of the South Placer Fire District.

Twenty-seven firefighters responded to the two alarm house fire on 5979 Via De La Rosa.

Crackling noises prompted the 12 people inside the mansion to call 911 around Everyone was able to safely get out of the home.

The Placer County Sheriff’s Office reported on heavy traffic picking up at the intersection of Barton Road and Cavitt Stallman Road near the fire.

According to the homeowners, the property was valued at around $3 million. Parts of the mansion sustained heavy damage from the flames.

There have been no reports from authorities mentioning what may have caused the fire.