POL Government Elected Officials Auditor Mary Hull Caballero Charter, Code & Policies City Code & Charter Online Code & Charter Title 19 Chapter 19.16  Rules And Regulations
19.16.175 Vessels at Berth.

Except when fastened parallel to the channel, any vessel lying at berth allowing a portion to extend beyond the line of the dock, does so at its own risk and may be held responsible for any damage that may result by reason of the projection into the stream.