"This alert is to request that residents remain vigilant and contact the police department IMMEDIATELY should the Mountain Lion be sighted again," the message read.
California Department of Fish and Wildlife spokesman Steve Gonzalez told SF Gate that after some analysis, the department was able to determine that it was indeed not a mountain lion, but rather a house cat.
"It wasn't a mountain lion, but I think it's good to be cautious," Gonzalez said.
He confirmed that the department was "100 percent" sure that the animal was a domestic cat, judging by its size in relation to the sign in the background.
"Typically cats are kind of smaller," Gonzalez said. "The time of day made it look a little more ominous."