The August 4 house fire at 614 E. Seventh St. was determined to be intentionally set following an investigation conducted by the Muscatine Fire Department. The cause has been classified as incendiary although who started the blaze remains under investigation the Muscatine Fire Department said in a release Thursday. The structure was valued at $85,000 with the loss of contents estimated at $15,000. The home will likely be a total loss. The determination was the result of investigation of the scene, interviews, and laboratory analysis of samples taken from the scene. Police and fire officials responded about 10:31 p.m. Thursday, Aug. 4, to a report of a fire at 614 E. Seventh St. Upon arrival, the home was found fully engulfed in flames. It was unoccupied at the time of the incident. Contact the Muscatine Fire Marshal at 563-263-9233 or Muscatine Police Department detectives at 563-263-9922 with any information that may assist in the investigation. The Muscatine Police Department and the Iowa State Fire Marshal's Office have also been assisting with the investigation.