The cat was seen behind a home at 50 Loma Vista Drive, which borders the San Francisco State Fish and Game Refuge, at about 6:40 a.m., according to the San Mateo County Office of Emergency Services.
Residents who see a mountain lion are advised to not approach it, especially if it is feeding or with offspring. Most mountain lions will avoid confrontation. The cats are most active at dawn, dusk and at night.
More information about mountain lions is available at www.keepmewild.org.