In Person
Saturday, April 18
1906 San Francisco Earthquake & Fire Anniversary Ceremony (2026)
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)
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, ...
2026 US Quadball Cup (Roseville)
US Quadball Cup is the pinnacle of our season—the national championship that brings together every corner of the quadball community. Featuring four divisions and open to all USQ teams, the Cup showcases over 50 teams and over 1,000 athletes each year. Powered by the dedication of ...
SF’s National Golden Gate Parks Earth Day + Spring “Days of Service” 2026 (April 18-26)
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 ...
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)
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 ...
Butter & Egg Days Parade & Festival 2026 (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, ...
“The Wardrobe Project Flea” Monthly Vintage & Makers Market (Oakland)
A monthly vintage & makers market hosted by Oakland vintage shop The Wardrobe Project (located 1.5 blocks down college ave). Explore an incredible array of vintage clothing, accessories, furniture, home decor, jewelry, records and more as well as creations & handmade goods from local makers. ...
Secondhand Saturdays
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 2026 “Tri-Valley Innovation Fair” (Pleasanton)
A free, family-friendly day of science, technology, youth innovation, interactive exhibits, and live demonstrations for all ages.
8th Annual Tri-Valley Innovation Fair Presented by Quest Science Center
Inspiring Innovation • Connecting Community • Celebrating Curiosity
The Tri-Valley Innovation Fair brings together students, families, educators, innovators, and local organizations ...
2026 “Bug Day” Festival at Randall Museum (SF)
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 ...
Free Chinatown Mural Tour: Art + Culture Experience (SF)
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 ...
Free Drive-Up Drop-Off Shred Event (SF)
Free Drive-Up Drop-Off Shred Event1224 Fairfax Ave, San Francisco, CA️ Saturday, April 18th, 2026 | 10AM – 1PM
Got old files stacking up? ️ Say goodbye to paper clutter after tax season the safe (and fun!) way.
✅ No cost✅ Drive-through convenience✅ Secure & eco-friendly shredding✅ Hosted ...
Pacifica’s Annual Earth Day EcoFest (2026)
Pacific Beach Coalition’s annual Earth Day EcoFest is a free, family-friendly outdoor community event. Starting off the day at 9am across more than 15 site locations for cleanup and habitat restoration events across San Mateo County, the fun continues from 10:30am – 1:30pm with our ...
“Off the Grid” Waterfront Fest + Free Ferry Rides (Treasure Island)
San Francisco’s newest waterfront hangout is getting a weekly food party this spring. Off the Grid is launching a brand-new Saturday market at Treasure Island’s Cityside Park with food vendors, music, and family-friendly activities. from April 11 to May 16 (11 am to ...Every Saturday
Sunnyvale’s 57th Annual Spring Show & Sale (2026)
We invite you to the San Jose Cactus & Succulent Society’s 57th Annual Spring Show & Sale! Our spring sale will be held at Peterson Middle School. We’re planning a full cactus, succulent, and caudex show on the stage again this year, featuring nearly 100 ...
Spring 2026 “San Francisco Restaurant Week” (April 10-19)
SF Restaurant Week 2026 is a 10-day celebration of San Francisco’s world-class dining community when frugal foodies get to eat their way through 200+ restaurants across the city. Participating restaurants will offer special prix-fixe menus starting at $10 for brunch or lunch and $30 for ...
Sensory Friendly Family Concert (SF)
The SFCO is excited to present our third year of Sensory Friendly concerts, specifically designed with our neurodivergent community in mind.
What does that mean? ALL are welcome and every type of engagement with the music is encouraged. We’ll refrain from sudden loud sounds, our All-Star ...
Vallejo Ferry Fest (2026)
Bring the whole family and join us for a fun-filled day on the Mare Island waterfront. Enjoy food trucks, local vendors, live music, raffles, giveaways, and more! Save the date for this unique, FREE waterfront celebration.
When: Saturday, April 18th, 2026 – 11:00 A.M. – 4:00 ...
Easy Product Photography for Creative Small Businesses Workshop
Learn the basics of product photography using your phone and materials in your home or work space. Professional product photographer Lucas Saugen will give a presentation walking you through set-up and approaches to product photography, then demonstrate photography techniques and problem-solving on several products brought ...
SF’s $1 Earth Day Clothing Sale (Buffalo Exchange)
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 ...
SF’s 2026 Cherry Blossom Festival: April 11-12 & 18-19
Welcome to the Northern California Cherry Blossom Festival, one of California’s most prominent celebrations of Asian traditions and the biggest on the West coast. Since 1968, the Festival has served to cultivate the continued alliance between Japan and the United States using culture as its ...
World Naked Bike Ride Through SF for Earth Day 2026
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 ...
EarthFest Weekend at SF Zoo
San Francisco Zoo & Gardens will host its annual EarthFest Weekend on Saturday and Sunday, April 18-19. This year, the Zoo will welcome special guest organizations at its pop-up EarthFest village. The event also features live entertainment by celebrated musicians, Michael John Ahern and Chris ...
The Spill Session w/ Free Coffee
Free Coffee, Good Convos, and Café Culture The Way We Grew Up.
There’s no nametags, no presentations, no lectures, panels, or icebreakers. It’s just coffee, convo, and culture. We’ll pull a topic from a hat to nudge things forward. But overall, it’s just a daytime space ...
SF’s Unique “Startup Art Fair” Takeover of an Entire 1950s Motor Lodge (April 17-19)
Startup Art Fair Turns a Boutique Hotel into a Pop-Up Gallery Weekend (April 17–19) For one weekend only, about 150 independent artists will take over the rooms of the colorful boutique 1950s Hotel Del Sol, transforming each space into a mini gallery where visitors can ...
SF SPCA Birthday Block Party
Bring your dog. Bring your friends. Bring your favorite humans.
Everyone is welcome at our Birthday Block Party!
Join us for an afternoon packed with tail wags and community
right outside our campus on Alabama Street.
What to Expect
Off the Grid food trucks and beverage stations
Live entertainment throughout the ...
Free Family Photo Fun Day (SF Chinatown)
On April 18, San Francisco Chinatown’s Commercial Break Marketplace hosts a vibrant community day featuring a Free Family Photo Fun Day and a returning Free Canvas Painting Class. Families can enjoy professional photo sessions, guided painting with all materials provided, and a lively weekend market atmosphere. The San Francisco Public Library Bookmobile will ...
Earth Day Festival 2026 + SF’s Green Business Expo (Yerba Buena Gardens)
Celebrate Earth Day 2026 at Yerba Buena Gardens in San Francisco with a free, family-friendly festival featuring a Green Business Expo, live music by LoCura and DJ Lamont, eco-education activities, tree planting demonstrations, a mobile skate park, planetarium exhibit, free carousel rides, local food and ...
