4044 Idaho St, San Diego, CA
There's a long-standing figure drawing group at North Park Community Park Recreation Center. Good place for it, nice people, great models. Twice weekly sessions , Thursday 10 to 1, Saturdays 9 to noon. More info here --
Exact address 4044 Idaho St, between Polk Avenue and Lincoln Avenue. That's in the southern half of the park, where there's a gym. There's also a cluster of unattached smaller buildings to the right of the gym. It's in the first one of those, in the Craft Room.
Bring your own materials, 5$ per session.