Collect-A-Con-San Francisco

Collect-A-Con-San Francisco takes place at San Mateo County Event Center in San Mateo, California on Sunday, September 13, 2026. Doors open at 10:00 AM and the show runs until 5:00 PM. Browse vendor tables featuring sports cards.

What to Expect

This card show in San Mateo, California brings together dealers and collectors with vendor tables to browse. Expect to find sports cards. Doors open on Sunday, September 13 at 10:00 AM. No registration is required — just show up. The event is held at San Mateo County Event Center. We recommend arriving 15–20 minutes early, especially if this is your first time visiting.