A fire that damaged a structure in downtown Sisters earlier this month has been determined to be arson.

According to the Deschutes County Sheriff’s Office, deputies with the City of Sisters were among those dispatched to a residential house fire at 152 N. Larch St. in Sisters on the night of Saturday, February 13. Personnel from the Sisters-Camp Sherman Rural Fire Protection District quickly extinguished the blaze, assisted by firefighters from Cloverdale Rural Fire Protection District and the Black Butte Ranch Rural Fire Protection District.

An investigator from the Oregon State Fire Marshall’s Office and a Detective from the Oregon State Police Arson Unit responded to the scene and conducted an origin-and-cause investigation at the residence.

The investigation has determined the origin of the fire was on the exterior of the residence and the cause was suspected to be arson. The damage to the residence is now estimated to be $75,000.

The Deschutes County Sheriff’s Office is working in coordination with the Oregon State Fire Marshall’s Office and the Oregon State Police Arson Unit on an active investigation.

Investigators are seeking assistance from the public with any information related to this fire. If the public has any information regarding this fire, they are encouraged to contact the Deschutes County Sheriff’s Office at 541-693-6911.