The Cessna appeared to punch a hole through the roof of a hangar building at the airport and became wedged nose-down partially stuck in the opening.
The pilot, who was the sole occupant, had to be extricated from the wreckage but suffered only minor injuries and was transported to a local hospital, officials say.
The incident was reported around 2:18 p.m.
Small plane crashes into roof at Long Beach airport, leaving pilot with only minor injuries
Firefighters say about 45 gallons of fuel were leaking after the crash.
The cause of the crash remains under investigation.
The Federal Aviation Administration and National Transportation Safety Board will investigate.