Volunteer Events and Things to do in San Mateo, CA
San Mateo Farmers' Market Compost Volunteer/ Voluntariado de Abono Orgánico
Saturday at 8:30 AM + 2 more
San Mateo · San Mateo Farmers' Market
San Mateo Farmers' Market Compost Volunteer/ Voluntariado de Abono Orgánico
Saturday at 8:30 AM + 2 more
San Mateo · San Mateo Farmers' Market
Alameda Music Council: May Meeting-Membership, Leadership, Porchfest
Saturday at 10:00 AM
Alameda · Rhythmix Cultural Works
Alameda Music Council: May Meeting-Membership, Leadership, Porchfest
Saturday at 10:00 AM
Alameda · Rhythmix Cultural Works
San Mateo Phoenix Garden Compost Volunteer / Voluntariado de Abono Orgánico
Saturday at 1:30 PM + 2 more
San Mateo · 222 Paul Scannell Dr
San Mateo Phoenix Garden Compost Volunteer / Voluntariado de Abono Orgánico
Saturday at 1:30 PM + 2 more
San Mateo · 222 Paul Scannell Dr
National River Cleanup Day 2026 - Site #12: Guadalupe River, Santa Clara
Saturday at 9:00 AM
Santa Clara · 4321 Lick Mill Blvd
National River Cleanup Day 2026 - Site #12: Guadalupe River, Santa Clara
Saturday at 9:00 AM
Santa Clara · 4321 Lick Mill Blvd
National River Cleanup Day 2026 - Site #39: Calabazas Creek, Santa Clara
Saturday at 1:00 PM
Santa Clara · Creek Entrance near 1445 Pomeroy Ave
National River Cleanup Day 2026 - Site #39: Calabazas Creek, Santa Clara
Saturday at 1:00 PM
Santa Clara · Creek Entrance near 1445 Pomeroy Ave
Gambier Plaza & Lego Garden Cleanup
Sun, May 31, 9:00 AM + 4 more
San Francisco · Burrows Street & Gambier Street
Gambier Plaza & Lego Garden Cleanup
Sun, May 31, 9:00 AM + 4 more
San Francisco · Burrows Street & Gambier Street
Detroit Steps Maintenance Day
Sun, May 31, 10:00 AM + 7 more
San Francisco · Detroit Street & Hearst Avenue
Detroit Steps Maintenance Day
Sun, May 31, 10:00 AM + 7 more
San Francisco · Detroit Street & Hearst Avenue
WVC Community Native Garden Workday
Saturday at 10:00 AM + 3 more
Saratoga · West Valley College Science and Math - Anatomy, Biology, and Earth Sciences Labs
WVC Community Native Garden Workday
Saturday at 10:00 AM + 3 more
Saratoga · West Valley College Science and Math - Anatomy, Biology, and Earth Sciences Labs
La Peña's 51st Anniversary & Fundraiser ft. Orq. La Moderna Tradición
Sat, Jun 6, 8:00 PM
Berkeley · La Peña Cultural Center
La Peña's 51st Anniversary & Fundraiser ft. Orq. La Moderna Tradición
Sat, Jun 6, 8:00 PM
Berkeley · La Peña Cultural Center
Paddles for a Purpose: The SoSF Pickleball Classic
Saturday at 2:00 PM
San Francisco · Bay Club Gateway
Paddles for a Purpose: The SoSF Pickleball Classic
Saturday at 2:00 PM
San Francisco · Bay Club Gateway
Aunt Lute Popup Booth: Bay Area Book Festival 2026 Bookworm Block Party
Sun, May 31, 11:00 AM
Berkeley · Centered on (and in the streets) surrounding Allston Way in Downtown Berkeley as well as at the Martin Luther King Jr. Civic Center Park
Aunt Lute Popup Booth: Bay Area Book Festival 2026 Bookworm Block Party
Sun, May 31, 11:00 AM
Berkeley · Centered on (and in the streets) surrounding Allston Way in Downtown Berkeley as well as at the Martin Luther King Jr. Civic Center Park
Lake Merritt UMC Food Pantry
Fri, May 22, 10:00 AM + 15 more
Oakland · Lake Merritt United Methodist Church
Lake Merritt UMC Food Pantry
Fri, May 22, 10:00 AM + 15 more
Oakland · Lake Merritt United Methodist Church
DiscoverSF -- A Bay2Breakers Culture Bandits Walk through SF
Sunday at 8:30 AM
San Francisco · Children's Creativity Museum
DiscoverSF -- A Bay2Breakers Culture Bandits Walk through SF
Sunday at 8:30 AM
San Francisco · Children's Creativity Museum
National River Cleanup Day 2026 - Site #13: Saratoga Creek, Santa Clara
Saturday at 9:00 AM
Santa Clara · Maywood Park
National River Cleanup Day 2026 - Site #13: Saratoga Creek, Santa Clara
Saturday at 9:00 AM
Santa Clara · Maywood Park
