The fire was reported around 9:20 p.m.
Flames were visible from the first floor through the roof by the time firefighters arrived, Marysville fire marshal Tom Maloney said. The fire was fought defensively.
No one was home at the time.
Total damage is estimated at $275,000.
More than two dozen firefighters battled the blaze. Snohomish County Fire District 22 at Getchell provided mutual aid.
The cause of fire is under investigation, Maloney said. The Snohomish County Chapter of the American Red Cross is helping the people who lived at the home.
More Local News Headlines
Everett City Council puts courthouse deal on hold over parking questions Monroe skatepark will undergo $240,000 worth of improvements Overhaul of county's emergency dispatch software by year's end Locals fondly recall author Ann Rule Man sought in Marysville shooting Voters to decide on Marysville fireworks ban Life in prison for killer of Seattle police officer who was from Marysville Volunteer brings troubled felines to inmates, who help tame them
Our new comment system is not supported in IE 7. Please upgrade your browser here.