@stupendous having lived in the S.Bay before for a number of years here's what I can impart:
A) None that I found in LA. Load up on Saphir from the hanger project and DIY.
A) Door to Door in the Riviera (by the trader joes & yogurt land) Doortodoorcleaners.com - they do a decent job, but do charge "extra" for high-end brands. E.g., 15-20% more if you bring in Borrelli, Tom Ford, Isaia, etc.
A) Enzo Caruso in Santa...