Crews were called at about 8:30 a.m. to the Greyhound bus station on Tulare Street and Santa Fe Avenue where flames from outside the building set off fire sprinklers, Battalion Chief Devin McGuire said.
Crews found two windows had been broken from the outside where the fire originated, McGuire said, and witnesses pointed out a man in the area who may have started the fire.
Firefighters worked to replace a damaged sprinkler, pushed pooled water out of the building and investigate the potential arson, he said.
Greyhound was not open at the time of the fire, according to fire crews.
The bus company rents the northern most space of the Spanish mission-style structure that also houses the Amtrak station in downtown. The city owns the building, McGuire said.
“It’s definitely a suspicious fire any time you do have a fire that starts on the exterior of the building,” he said.
The damage is not expected to affect daily business for the depot, he said.
The historic Santa Fe Railroad Depot building was completed in 1899.
