A maintenance building at a Smithtown country club burned to the studs Thursday night in a blaze that took four departments about an hour to control, authorities said.

Flames were reported about 6 p.m. at Stonebridge Golf Links and Country Club, and the two-story structure was like a fireball in the night when firefighters arrived, said Jeff Bressler, spokesman for the Smithtown Fire Department.

The building housed golf carts and other supplies, presumably chemicals and fertilizers that catch fire quickly, he said.

"This type of combustion makes for a spectacular-looking, fully engulfed fire," Bressler said.

Firefighters used the "surround and drown" technique, spraying water from tower ladders into the building, Bressler said.

No one was injured, he said, and firefighters remained at the scene Thursday night putting out embers.

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Police arson detectives and the Smithtown fire marshal's office were investigating the cause, he said.

Town workers were expected to knock down the remnants of the building Thursday night, he said.

The fire prevented residents of the country club complex from returning home because the property has only one entrance, the Smithtown fire spokesman said. They were barred by police from entering until firetrucks could pack up to leave, Bressler said: "There's a long back up of cars waiting to get back onto the property."

Hauppauge, Nesconset and Commack firefighters responded to the blaze, along with the Central Islip-Hauppauge Volunteer Ambulance and Smithtown ambulances, authorities said.