Firefighters first got a call about a strong smell of gasoline at the building around 7:30 a.m. Wednesday. But when they arrived, they found a fire on a section of the roof.
Police say they want to talk to the driver of a dark-colored crew-cab pickup truck seen in the area around 4:30 a.m.
Damage to the building is estimated at $10,000.
Anyone with information is asked to call the Spring Lake Police Department at (910) 436-0350.