According to the San Francisco MTA, parking for overnight tour buses is available at Pier 30, on the east side of the Embarcadero between Brannan and Bryant Streets, for a fee. This is a private lot managed by Imperial Parking, 415-227-0114 extension 21. Please contact lot management in advance to make parking arrangements as the lot is sometimes closed for special events.
Bus operators may also park on most non-residential streets, but should read all posted parking regulations carefully.