Know where this is? Take a guess and let us know in the Comments.
Update, 9:52am: Jef Poskanzer got this one very quickly. This is the roof of a building located at the northeast corner of San Pablo Avenue and Jones Street. The building, 1499 San Pablo Avenue, is occupied by Auto Alpina, a car repair shop. Congratulations, Jef, on being this week’s winner!
Photo: Neil Mishalov.