Know Before You Go
Exit on Gaffey from the 110 freeway, turn left, and follow it until you reach Paseo Del Mar. Turn right, and stop at the 600 block. (Be forewarned it is considered trespassing to enter.) You have to climb over a cement fence and then either under a metal one if you can fit, or carefully down around the bottom of the fence they extended. Exact Coordinates are 33°42'21"N 118°17'20"W.