If you are looking for a Source in the Bay Area Only.
Then you are going to have to go out and talk to people.
Most Domestic UGL's have Multiple Reshippers, that send-out orders from various locations..................... JP
P.S.
Let me Caution you on talking to just anyone, especially today, everyone's a Cop, or Confidential Informant.
You are much safer finding a Domestic Source via Online, and get your Pack in the Mail.
You can use a Tor Browser to hide your Identity.