San Mateo Halloween & Things to Do 2025

Your complete guide to the best halloween in San Mateo and surrounding areas

How we verify β†’

San Mateo transforms for Halloween 2025 near downtown and Bay Meadows with supernatural celebrations and macabre fun at well-known attractions. Residents and visitors share ghost walks, costume festivities and pumpkin events including family-friendly markets and neighborhood haunt nights.

Find the best San Mateo Halloween happenings this year!

San Mateo Halloween - spooky scene with haunted house, jack-o-lanterns, ghosts, witches, and trick-or-treaters

Start Here

San Mateo Halloween Events Map

See every Halloween event, haunted attraction, and pumpkin patch on one map.

San Mateo Halloween events map

Also Near San Mateo

Find Halloween Events in Another City