11/17/2008 4:03 PM ET

SEAFORD, Del.- Authorities are probing the cause of a Sunday afternoon fire that heavily damaged a Seaford home.

The Delaware State Fire Marshal's Office says the blaze was reported at 2:29 p.m. at a home located on the 26000 block of Sussex Highway.

The Blades Fire Department responded to the scene and was assisted by the Laurel, Seaford, Bridgeville and Georgetown fire departments.  Upon arrival they encountered heavy fire at the northwest portion of the structure.

The home was not occupied at the time of the fire.  No injuries were reported.  Damages have been estimated at $250,000.  The victim is being assisted by the Red Cross.

Investigators have determined that the fire originated in the northwest portion of the home. The cause is still under investigation.