San Bruno Monster Mash Bash

October 23, 2026, 6-9 p.m.

Recreation and Aquatic Center
251 City Park Way
San Bruno, CA
$13-16, sanbruno.ca.gov/recsignup

ALL AGES are invited for festive fun with games, pumpkin decorating, a costume contest with prizes and the  Monster Bash Dance.

San Bruno Trick or Treat on the Avenue

October 31, 2026, 1-3 p.m.

Downtown San Bruno
San Mateo Avenue
San Bruno, CA
Free, instagram.com/p/DdrfhvBipJm/

Follow the Balloons to Trick or Treat. The San Bruno Downtown Merchants are coming together to host their second annual Trick-or-Treat on the Ave event! Bring your costumes for a fun early trick-or-treating night on San Mateo Ave, San Bruno. Participating businesses will have balloons and crossing guards for extra safety. Support local businesses and get an early trick-or-treating day for the whole family.

Events are not guaranteed. It is your responsibility to confirm before going.