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Events for April 18, 2026

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Saturday, April 18

1906 San Francisco Earthquake & Fire Anniversary Ceremony (2026)
Saturday, April 18 – 4:30 am - Ends at 5:30 am | Cost: FREE | Lotta's Fountain
When the earthquake hit on April 18, 1906, it did so in the wee hours at 5:12 am. The cast iron Lotta’s Fountain on Market Street became a crucial meeting point and is now known as SF’s oldest surviving monument. Every year since, city officials (and ...
2026 “Golden Fire Hydrant” Painting Ceremony in Dolores Park (SF)
Saturday, April 18 – 5:45 am | Cost: FREE | Golden Fire Hydrant
One lonely working fire hydrant in the Mission District helped saved the city’s churches after the 1906 Earthquake. Every year on the anniversary of the quake, the hydrant receives a fresh coat of gold paint in tribute. This annual celebration takes place on Saturday, April 18, ...

8:00 am2026 US Quadball Cup (Roseville)  $35*
*General Admission day ticket: $35 Weekend Pass $55
8:00 amThree Is A Crowd  $49.50*
*Must be 21+ to attend Ticket Prices: $49.50, $59.50 and $69.50 plus applicable fees
SF’s National Golden Gate Parks Earth Day + Spring “Days of Service” 2026 (April 18-26)
Saturday, April 18 – 9:00 am - Ends at 2:00 pm | Cost: FREE*
*Registration Required
| Golden Gate National Recreation Area
Celebrate Earth Day by giving back with the Golden Gate National Parks Conservancy! Join us in honoring Earth Day and National Volunteer Week through hands-on volunteer opportunities in the Golden Gate National Recreation Area. Learn how environmental conservation, park stewardship, recreation, and science work together ...
Prentiss Street FREE Garage Sale – Yes, Everything’s Free (Bernal Heights)
Saturday, April 18 – 9:00 am - Ends at 3:00 pm | Cost: FREE | Prentiss Street, multiple blocks
Leave your wallets at home and join us this Saturday for the Prentiss Street FREE Garage Sale! Multiple households on Prentiss Street between Jarboe and Chapman (in Bernal Heights) will be giving away all kinds of good stuff. Just like a garage sale, but everything’s ...
Free 2-Mile “Walk for Epilepsy” SF at China Basin
Saturday, April 18 – 9:30 am - Ends at 1:00 pm | Cost: FREE | China Basin Park
Join the 5th annual Walk for Epilepsy. We’ll gather at China Basin with activities, vendors, education, and community for adults and children. Walk: We’ll walk along the scenic Bay Trail, cross the historic Lefty O’Doul Bridge, loop around Giants Stadium and McCovey Cove, and return to ...
Free de Young Museum Day for Bay Area Residents (Every Saturday)

, the de Young offers free general admission to the permanent galleries to Bay Area residents. Please note that admission to any special exhibits is not included nor discounted and will require the full admission price. Saturdays feature engaging art experiences for the entire family, ...Every Saturday

Free “Legion of Honor” Museum Day for Bay Area Residents (Every Saturday)

 the Legion of Honor offers free general admission to the permanent galleries to Bay Area residents. Advanced tickets are required, and capacity is limited due to COVID-19 precautions. Please note that admission to any special exhibits is not included nor discounted and will require ...Every Saturday

SOMA Neighborhood Earth Day Cleanup Party w/ Free Lunch (SF)
Saturday, April 18 – 10:00 am - Ends at 12:00 pm | Cost: FREE*
*Registration required. Free lunch provided to volunteers.
| Yerba Buena Gardens (Neighborhood Cleanup)
Volunteer with SF Environment and Refuse Refuse for a neighborhood litter cleanup around Yerba Buena Gardens in SOMA. Supplies and a free lunch will be provided to participants. Cleanup runs from 10am to 12pm, with registration required. Stay after for the Green Business Expo and ...
Secondhand Saturdays
Saturday, April 18 – 10:00 am - Ends at 4:00 pm | Cost: FREE*
*https://www.eventbrite.com/e/secondhand-saturdays-tickets-1984907740484?aff=oddtdtcreator
| 37th and Ortega (SF)
A curated, stylish and modern version of your traditional flea market with over 60 vintage vendors, makers and artists. Enjoy live music from local musicians, food trucks, workshops and rotating family-friendly activities for all ages to enjoy, every third Saturday from April- November.
Free Chinatown Mural Tour: Art + Culture Experience (SF)
Saturday, April 18 – 10:00 am - Ends at 1:00 pm | Cost: FREE*
*RSVP required
| Chinatown San Francisco (Location TBA)
Join the CCSC Mural Project Dive into the alleys of Chinatown with the CCSC Mural Project! This fun, interactive event lets you connect with the community and experience Chinese culture in San Francisco. Whether you’re a tourist or a local, this is the perfect chance to ...
10:00 amMMclay Spring Market (SF)  FREE
Free “Day in the Evergreen” Festival (San Jose)
Saturday, April 18 – 10:00 am - Ends at 4:00 pm | Cost: FREE | Evergreen Valley College
On Saturday, April 18, from 10 a.m. to 4 p.m., Evergreen Valley College will host its second “Day on the Evergreen,” a community day in front of the Student Services Complex. The event will feature a Kids Zone with carnival games, face painting, robots and a ...
SF’s Free Creativity Festival at Yerba Buena Gardens (2026)
Saturday, April 18 – 10:00 am - Ends at 2:00 pm | Cost: *
*Free
| Children's Creativity Museum
Creativity Festival 2026 at Yerba Buena Gardens! Get ready for a day full of fun, inspiration, and all things creative at the Creativity Festival. Enjoy family-friendly activities at the Children’s Creativity Museum’s FREE Creativity Festival on April 18, from 10am-2pm at Yerba Buena Gardens. The event features ...
10:00 am‘Cafecito’ Coffee Tour: Mission Street  $41.32*
*Fun Cheap Guests can get $5 Off with code "funcheapsf" at checkout on Eventbrite.
10:00 am“The Wardrobe Project Flea” Monthly Vintage & Makers Market (Oakland)  FREE*
*FREE FOR ALL AGES
10:00 amReimagine Education Expo (Oakland)  FREE*
*RSVP - Donation Based
SF’s “Secondhand Saturday” 2026 w/ Sunset Mercantile (Season Launch)
Saturday, April 18 – 10:00 am - Ends at 4:00 pm | Cost: FREE*
*Free Admission
| Sunset Community Mercantile

Launching April 18th, one of San Francisco’s favorite vintage and makers market is returning for it’s fifth season! Come celebrate Earth Day at the 2026 season launch of Secondhand Saturday! A curated, stylish, and modern take on the traditional flea market, featuring over 60 vintage ...Monthly

Butter & Egg Days Parade & Festival 2026 (Downtown Petaluma)
Saturday, April 18 – 10:00 am - Ends at 5:00 pm | Cost: FREE | Historic Downtown Petaluma
Theme: “America’s Birthday – Petaluma Style” Celebrating 250 years of independence, ingenuity, and small-town pride. “Americas’ Birthday – Petaluma Style” celebrates the nation’s 250th Birthday by honoring Petaluma’s deep agricultural roots and hometown spirit. This 43rd Annual Butter & Egg Days Parade recognizes the farmers, families, immigrants, ...
10:00 amFree Drive-Up Drop-Off Shred Event (SF)  FREE*
*Totally free - Shredding service provided for residents and local businesses
All DayFree PresidiGo Shuttle | Downtown to Presidio  FREE
Sausalito Free Events: Citywide Yard Sale, Yacht Rock + Block Party (Spring 2026)
Saturday, April 18 – 10:00 am - Ends at 8:00 pm | Cost: FREE*
*https://www.tivolidecor.com/events
| Downtown Sausalito
This Saturday is a wonderful day to make a trip to Sausalito or to come over the bridge or by ferry. Sausalito is hosting three exciting free community events this Saturday, April 18th!   Citywide Yard Sale 9:00 AM to 1:00 PM MLK Parking Lot and Basketball Courts Treasure hunting ...
10:00 amNew Community Grand Opening + Model Tours (Mountain House)  FREE*
*Open to all
10:00 amFree 2026 “Tri-Valley Innovation Fair” (Pleasanton)  FREE
2026 “Bug Day” Festival at Randall Museum (SF)
Saturday, April 18 – 10:00 am - Ends at 2:00 pm | Cost: FREE | Randall Museum
San Francisco’s annual Bug Day returns this spring 2026 with hands-on science activities, crafts, and live bug encounters for curious kids. The free festival celebrates insects, arachnids, and other tiny creatures with interactive activities throughout the museum. Event Details What: Bug Day — free family festival about ...
10:30 amPacifica’s Annual Earth Day EcoFest (2026)  FREE
11:00 am“Science@Cal”: Renowned Scientist Lecture | UC Berkeley  FREE
SF’s $1 Earth Day Clothing Sale (Buffalo Exchange)
Saturday, April 18 – 11:00 am - Ends at 8:00 pm | Cost: FREE*
*Free Entry - Selection of clothing is $1 apiece, CASH ONLY
| Buffalo Exchange (Haight)
Shop a special selection of $1 clothing, shoes and accessories at Buffalo Exchange’s annual Earth Day $1 Sale on Saturday, April 18, starting at normal opening hours! 100% of proceeds from this CASH ONLY sale will go to Plastic Pollution Coalition and their goal to ...
World Naked Bike Ride Through SF for Earth Day 2026
Saturday, April 18 – 11:00 am - Ends at 3:00 pm | Cost: FREE | Rincon Park
It’s that time to tune up those bikes and toss those riding duds in the wash; you won’t need them for the World Naked Bike Ride in San Francisco. The upcoming calendar of seasonal San Francisco World Naked Bike Rides presents the funnest opportunity to Protest ...
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