The Bridgehampton Fire Department, backed up by volunteers from five other departments, battled a house fire at 285 Hayground Road in Bridgehampton on Thursday afternoon.
Although firefighters were able to bring the fire under control quickly, the house suffered serious damage.
Departments from Sag Harbor, East Hampton, Southampton, North Sea and Hampton Bays provided backup.
The fire was called in at 4:10 p.m., reportedly by the homeowner. No injuries were reported. Firefighters were at the scene for about two hours.
A Southampton Town fire marshal was at the scene to try to determine the cause of the fire.