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find Halloween events for every vibe.

Free events in San Mateo, CA

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Nearly full
Design Tech High School - Oracle: Open House for New Families 10/22/25: 6pm
Wed, Oct 22, 6:00 PM
California Cottages · Design Tech High School - Oracle
Nearly full
Design Tech High School - Oracle: Open House for New Families 10/22/25: 6pm
Wed, Oct 22, 6:00 PM
California Cottages · Design Tech High School - Oracle
Sales end soon
8th Annual Stanford Maternal and Child Health Research Institute Symposium
Wed, Oct 22, 8:15 AM
Palo Alto · Berg Hall, Li Ka Shing Learning & Knowledge Center
Sales end soon
8th Annual Stanford Maternal and Child Health Research Institute Symposium
Wed, Oct 22, 8:15 AM
Palo Alto · Berg Hall, Li Ka Shing Learning & Knowledge Center
Nearly full
SBPSD 2025 Annual Trunk or Treat
Sat, Oct 25, 5:30 PM
Lomita Hills · Parkside Intermediate School
Nearly full
SBPSD 2025 Annual Trunk or Treat
Sat, Oct 25, 5:30 PM
Lomita Hills · Parkside Intermediate School
Sales end soon
Banda Mach de Pepe Guardado • Entrada Gratis @ Maya Nightclub
Friday at 9:00 PM
Downtown · MAYA NIGHTCLUB
Sales end soon
Banda Mach de Pepe Guardado • Entrada Gratis @ Maya Nightclub
Friday at 9:00 PM
Downtown · MAYA NIGHTCLUB
Career Fair: Exclusive Tech Hiring Event
Fri, Oct 31, 9:00 AM
Soma · Moved to Virtual Event
Career Fair: Exclusive Tech Hiring Event
Fri, Oct 31, 9:00 AM
Soma · Moved to Virtual Event
Nearly full
7th Annual 2025 Housing Fair
Sat, Oct 25, 9:00 AM
Southgate · Chabot College
Nearly full
7th Annual 2025 Housing Fair
Sat, Oct 25, 9:00 AM
Southgate · Chabot College
Nearly full
Harmonic Milestones - Chorale May & Ensemble Shiki Anniversary Concert
Sun, Oct 26, 3:00 PM
Milwood · Capuchino High School
Nearly full
Harmonic Milestones - Chorale May & Ensemble Shiki Anniversary Concert
Sun, Oct 26, 3:00 PM
Milwood · Capuchino High School
Nearly full
Thrill-O-Ween
Sun, Oct 26, 12:00 PM
Mission Bay · Thrive City
Nearly full
Thrill-O-Ween
Sun, Oct 26, 12:00 PM
Mission Bay · Thrive City
Nearly full
San Francisco Pride Golf Award Reception
Friday at 6:30 PM
Oak Grove Manor · Topgolf Burlingame
Nearly full
San Francisco Pride Golf Award Reception
Friday at 6:30 PM
Oak Grove Manor · Topgolf Burlingame
Civil Society Vintage Antique, Vintage, Designer & Fine Jewelry Pop-up
Sat, Nov 1, 10:30 AM
Dolphin · 223 Twin Dolphin Dr
Civil Society Vintage Antique, Vintage, Designer & Fine Jewelry Pop-up
Sat, Nov 1, 10:30 AM
Dolphin · 223 Twin Dolphin Dr
Sales end soon
Top of the Hill Festival
Saturday at 11:00 AM
Daly City · Mission Street & John Daly Boulevard
Sales end soon
Top of the Hill Festival
Saturday at 11:00 AM
Daly City · Mission Street & John Daly Boulevard
Sales end soon
MainStage 1: Celebrating Robin!
Saturday at 7:30 PM
Palo Alto · First United Methodist Church of Palo Alto
Sales end soon
MainStage 1: Celebrating Robin!
Saturday at 7:30 PM
Palo Alto · First United Methodist Church of Palo Alto
Selling quickly
Rethinking the MBA in Real Time
Tue, Oct 21, 6:30 PM
Southgate · Stanford Graduate School of Business
Selling quickly
Rethinking the MBA in Real Time
Tue, Oct 21, 6:30 PM
Southgate · Stanford Graduate School of Business
33rd Black College Awareness Fair
Sat, Nov 1, 10:00 AM
Western Hills · College of San Mateo
33rd Black College Awareness Fair
Sat, Nov 1, 10:00 AM
Western Hills · College of San Mateo
Nearly full
HAI Seminar with Common Crawl
Wed, Oct 22, 12:00 PM
Stanford Weekend Acres · Gates Computer Science Building Room 119
Nearly full
HAI Seminar with Common Crawl
Wed, Oct 22, 12:00 PM
Stanford Weekend Acres · Gates Computer Science Building Room 119
16th Annual Downtown Burlingame Halloween Costume Bar Crawl
Sun, Oct 26, 5:00 PM
Downtown Burlingame · Barrelhouse
16th Annual Downtown Burlingame Halloween Costume Bar Crawl
Sun, Oct 26, 5:00 PM
Downtown Burlingame · Barrelhouse
Family Nature Day at Huddart Park
Sat, Oct 25, 9:00 AM
Farm Hills · Huddart Park
Family Nature Day at Huddart Park
Sat, Oct 25, 9:00 AM
Farm Hills · Huddart Park
Sales end soon
Now's the Time: CCL Youth Climate Rally 2025
Sunday at 1:00 PM
Glazenwood · San Mateo Central Park Stage
Sales end soon
Now's the Time: CCL Youth Climate Rally 2025
Sunday at 1:00 PM
Glazenwood · San Mateo Central Park Stage
Tech Career Fair: Exclusive Tech Hiring Event
Fri, Oct 31, 9:00 AM
Soma · Moved to Virtual Event
Tech Career Fair: Exclusive Tech Hiring Event
Fri, Oct 31, 9:00 AM
Soma · Moved to Virtual Event
Atherton's Halloween Spooktacular 2025
Thu, Oct 30, 3:00 PM
Lindenwood · Atherton Library
Atherton's Halloween Spooktacular 2025
Thu, Oct 30, 3:00 PM
Lindenwood · Atherton Library

Trends in San Mateo

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Frequently asked questions about San Mateo

What are the best free events to attend?

According to Eventbrite, the best free events are:

Design Tech High School - Oracle: Open House for New Families 10/22/25: 6pm

8th Annual Stanford Maternal and Child Health Research Institute Symposium

SBPSD 2025 Annual Trunk or Treat

Career Fair: Exclusive Tech Hiring Event

Which events are currently trending in San Mateo?

The trending searches this month in San Mateo are:

bay area peninsula events

oktoberfest by the bay

Which free events are coming up?

Discover the best free events happening soon – you don't want to miss them:

San Francisco Pride Golf Award Reception

Banda Mach de Pepe Guardado • Entrada Gratis @ Maya Nightclub

Top of the Hill Festival

MainStage 1: Celebrating Robin!