TGT as well as Eastman list the Comstock cardroom on a "Stevens Oak" in Santa Clara. I worked in Santa Clara from 1968-98 and don't recall a Stevens Oak. Can't find such a street with Mapquest either. However, a major street nearby was "Stevens Creek Blvd", often abbreviated Stevens Ck. The street number in TGT is 3151 and if this were on Stevens Creek, it would be just east of Winchester, and a likely area for a cardroom. I don't believe this was ever in the city of Santa Clara though... more likely San Jose (or just Santa Clara County). Date of operation is listed as 1978-83 in TGT.

I didn't frequent cardrooms when I lived there. Any California residents who can shed light on where this casino was actually located?