SHERMAN -- State and local officials are trying to determine what caused a fire that destroyed a house Tuesday morning.

Sherman firefighters were dispatched to 103 Route 39 at 4:45 a.m. after receiving a report of a structure fire, Sherman Fire Chief Matt Heinz said. Sherman Volunteer Fire Department Capt. Kris Fazzone was first on the scene.

Video: Click here to see video of the charred remains of the home.

"Coming down the road, from the amount of flame I could see from a distance, I could tell it was fully involved," Fazzone said. "Two-thirds of the roof was gone."

Luckily, the homeowner, John Estock, Jr., had escaped through a window and onto his back deck. He jumped about five feet to reach the ground, then called 911 from a neighbor's house. He was treated for minor injuries at the Danbury Hospital emergency room.

Because of the fire's intensity, Fazzone called on fire departments from Gaylordsville and New Fairfield for help.

"No one went into the interior," Heinz said. "We had no way to gain access to the building due to the intensity of the fire."

It took firefighters about 45 minutes to bring the fire under control. Hot spots were still smoldering five hours after the first 911 call.

The two-story raised ranch was a total loss.

Sherman Fire Marshal Ernie Winkler called in the state fire marshal's office to investigate.

-- From staff writer Eugene Driscoll