Calvary Presbyterian Church, 1940 Virginia Street
From Cavalry Presbyterian Church, walk between the two church buildings, through a courtyard, to the rear building. Enter through the left door marked "North Berkeley Counseling Center," and go to the 2nd floor offices. If no one is available to let you in, bang on the door and shout and someone will come down to let you in.
Meets the second and last Saturdays of each month, 3-5 p.m.