Your version of Internet Explorer is no longer supported. Please upgrade your browser.

find Halloween events for every vibe.

Charity & causes events in San Mateo, CA

Search for something you love or check out popular events in your area.

Selling quickly
October Kit Building
Fri, Oct 17, 5:30 PM
San Francisco State University · Cesar Chavez Student Center (T-160 Room)
Selling quickly
October Kit Building
Fri, Oct 17, 5:30 PM
San Francisco State University · Cesar Chavez Student Center (T-160 Room)
Sales end soon
5th Annual #ProjectBestFriend Dog Item Donation Drive
Tomorrow at 12:00 PM
Alvarado · Birdhaus Beer Garden
Sales end soon
5th Annual #ProjectBestFriend Dog Item Donation Drive
Tomorrow at 12:00 PM
Alvarado · Birdhaus Beer Garden
Farmworker Reality Tour / Oct 19, 2025
Sun, Oct 19, 3:00 PM
La Selva Beach · 40 Zils Rd
Farmworker Reality Tour / Oct 19, 2025
Sun, Oct 19, 3:00 PM
La Selva Beach · 40 Zils Rd
Nearly full
Volunteer Outdoors in Palo Alto at Foothills Nature Preserve
Sun, Oct 19, 9:00 AM
Palo Alto · Foothills Park Nature Interpretive Center
Nearly full
Volunteer Outdoors in Palo Alto at Foothills Nature Preserve
Sun, Oct 19, 9:00 AM
Palo Alto · Foothills Park Nature Interpretive Center
Sales end soon
Harvest of Gratitude: An Appreciation Brunch
Thursday at 11:30 AM
Produce and Waterfront · NIDO's BackYard
Sales end soon
Harvest of Gratitude: An Appreciation Brunch
Thursday at 11:30 AM
Produce and Waterfront · NIDO's BackYard
Bayview Happy Hour Cleanup
Sat, Oct 18, 4:00 PM + 10 more
Bayview · Gratta Wines and Market
Bayview Happy Hour Cleanup
Sat, Oct 18, 4:00 PM + 10 more
Bayview · Gratta Wines and Market
The Nightmare Before Santa Skivvies Happy Hour
Thu, Oct 23, 6:00 PM
Duboce Triangle · Lookout
The Nightmare Before Santa Skivvies Happy Hour
Thu, Oct 23, 6:00 PM
Duboce Triangle · Lookout
Sales end soon
Veteran Warehouse Organization
Tomorrow at 9:00 AM
East San Carlos · 900 Commercial St
Sales end soon
Veteran Warehouse Organization
Tomorrow at 9:00 AM
East San Carlos · 900 Commercial St
Sales end soon
10 × 10 for 10 — Exhibition Admission (Free Thursdays)
Thursday at 1:00 PM
Dogpatch · Letterform Archive
Sales end soon
10 × 10 for 10 — Exhibition Admission (Free Thursdays)
Thursday at 1:00 PM
Dogpatch · Letterform Archive
Ingleside Cleanup
Sat, Oct 18, 11:00 AM + 10 more
Westwood Park · Ocean Ale House
Ingleside Cleanup
Sat, Oct 18, 11:00 AM + 10 more
Westwood Park · Ocean Ale House
Evermore Hues Candle Pop Up
Sun, Nov 2, 10:00 AM
Downtown San Mateo · A.S.K. Salon an Artistic Destination, Inc.
Evermore Hues Candle Pop Up
Sun, Nov 2, 10:00 AM
Downtown San Mateo · A.S.K. Salon an Artistic Destination, Inc.
Sales end soon
Manny's Neighborhood Trash Cleanup
Tomorrow at 10:00 AM + 11 more
Inner Mission · Manny’s
Sales end soon
Manny's Neighborhood Trash Cleanup
Tomorrow at 10:00 AM + 11 more
Inner Mission · Manny’s
Beyond Bars: Building Character, Creating Community
Sat, Nov 15, 11:00 AM
Lakeside · The Terrace Room Events
Beyond Bars: Building Character, Creating Community
Sat, Nov 15, 11:00 AM
Lakeside · The Terrace Room Events
Aaron Alcorn-hole Memorial Tournament
Sat, Oct 25, 1:00 PM
Golden Gate Park · Marx Meadow
Aaron Alcorn-hole Memorial Tournament
Sat, Oct 25, 1:00 PM
Golden Gate Park · Marx Meadow
South Mission Weekly Cleanup
Sat, Oct 18, 10:00 AM + 10 more
Dolores Heights · Sisters Coffee Shop
South Mission Weekly Cleanup
Sat, Oct 18, 10:00 AM + 10 more
Dolores Heights · Sisters Coffee Shop
Leap's 43rd Annual Sandcastle Classic!
Sat, Oct 25, 11:00 AM
Sutro Heights · Ocean Beach @ Balboa Street
Leap's 43rd Annual Sandcastle Classic!
Sat, Oct 25, 11:00 AM
Sutro Heights · Ocean Beach @ Balboa Street
The Hub Cleanup
Sun, Nov 2, 3:00 PM + 1 more
Inner Mission · McCoppin Hub Plaza
The Hub Cleanup
Sun, Nov 2, 3:00 PM + 1 more
Inner Mission · McCoppin Hub Plaza
Free Grocery and Clothing Pantry For Those In Need
Mon, Oct 20, 6:00 PM + 4 more
Charleston Terrace · VIVE Church
Free Grocery and Clothing Pantry For Those In Need
Mon, Oct 20, 6:00 PM + 4 more
Charleston Terrace · VIVE Church
2025 The City Eats San Francisco Volunteer Sign-Up
Sat, Nov 1, 10:00 AM
Soma · CityTeam San Francisco
2025 The City Eats San Francisco Volunteer Sign-Up
Sat, Nov 1, 10:00 AM
Soma · CityTeam San Francisco
West SOMA Cleanup
Sat, Oct 18, 4:00 PM + 10 more
Soma · Driftwood
West SOMA Cleanup
Sat, Oct 18, 4:00 PM + 10 more
Soma · Driftwood

Trends in San Mateo

Explore more trends

Explore more trends

Frequently asked questions about San Mateo

What are the best events to attend?

According to Eventbrite, the best events are:

October Kit Building

Farmworker Reality Tour / Oct 19, 2025

Volunteer Outdoors in Palo Alto at Foothills Nature Preserve

Bayview Happy Hour Cleanup

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 events are coming up?

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

Veteran Warehouse Organization

Manny's Neighborhood Trash Cleanup

5th Annual #ProjectBestFriend Dog Item Donation Drive

Harvest of Gratitude: An Appreciation Brunch