Stonington — An early morning blaze decimated a vacant Pequot Trail home that was slated for sale, fire officials said Thursday.

Kevin Burns, chief and marshal of the Pawcatuck Fire Department, said firefighters responded to 120 Pequot Trail about 1:30 a.m. after someone reported seeing flames through the woods.

When firefighters arrived, the whole top portion of the house was fully involved, Burns said.

Because of where the home is located, firefighters had to call in several other departments to provide water and manpower. Firefighters from the Wequetequock, Old Mystic, North Stonington and Ashaway departments assisted.

Burns estimated it took about an hour to knock down the main body of the blaze and another three hours to finish checking for hot spots.

The Pawcatuck and state fire marshal’s offices are investigating the cause of the blaze. Burns said it does not appear to be suspicious at this time.

No one was injured in the fire, but Burns said the home likely is a total loss.

“The top floor and attic completely burned off, and there’s fire damage to the rest of the house,” he said.

According to property records, the structure was a nine-room, two-family residence that belonged to Walter F. Sheldon Jr. He obtained the home from the estate of Adrienne A. Sheldon on July 3.

Burns said the sale was going to happen next week.