Family events in Contra Costa County, CA

The Richmond Certified Year-Round Farmer's Market highlights fresh-from-the-farm foods at prices that keep shopping accessible. Shoppers using CalFresh or EBT can receive a dollar-for-dollar match up to $15 through the Market Match program when buying fresh fruits and vegetables. Participants in other government assistance programs may also qualify for an additional $10 each week by spending $15 on produce.

Open adoption hours at Contra Costa Humane Society offer a chance to meet adoptable cats and kittens. Walk-ins are welcome, and appointments are available. Information about current adoptable pets is provided, along with a no-commitment application. Kittens are cared for in loving foster homes and are spayed or neutered, microchipped, and up to date on vaccinations.

A benefit car show hosted by Rivertown Community Church in collaboration with Disciples Car Club Ministry showcases classic cars and custom builds with activities for all ages. Highlights include opportunity drawings, a pie eating contest with cash prizes, awards and trophies, a dedicated area for children, and food with plenty of chances to connect. Vehicle registration is offered at $30 for early entry or $35 on the day of the event, and vendor spots are open for non-food businesses. Proceeds help fund two initiatives: sending men to camp and providing holiday gifts for families in need through the Adopt-A-Family outreach. Registration is handled only by Rivertown Community Church, and contacts from anyone else are not authorized.

This community cleanup in Brentwood brings neighbors together to remove litter, show pride in their surroundings, and care for local neighborhoods. It focuses on working side by side to keep shared areas clean.

At the Antioch Community Center, MOMS Club of East County presents its annual Trunk or Treat in support of Be Exceptional Programs, which offers inclusive and adaptive services for individuals with disabilities and their families. This festive, Halloween-themed gathering features creatively decorated car trunks, sweets and alternative goodies, a hands-on animal area, sensory-sensitive activities, kid-focused games and interactive stations, local food options, and community voting for favorite trunks, with additional seasonal fun to be announced. Entry is free, and advance signups are encouraged to help plan for attendance, treats, and supplies. Voluntary contributions benefit Be Exceptional Programs. Organizers are seeking businesses, community groups, and families to host themed trunks, as well as donations of sealed candy and alternative treats, volunteers for setup, activities, parking, check-in, and cleanup, sponsorships and in-kind support, and food vendors interested in participating. Trunk hosts are invited to design child-friendly themes, simple carnival-style games, and engaging experiences. Decorations should avoid blood, gore, graphic imagery, and realistic weapons. Guests can cast votes for favorite trunks through donations, with all voting proceeds directed to Be Exceptional Programs, and prizes awarded to the trunks that receive the highest donation totals. Children must remain under the supervision of their accompanying adult throughout the event.

High school marching bands from across the region gather at Liberty High-school Football Field for the Liberty Band Review, presenting precision marching, dynamic music, and competition. The event features full field shows with coordinated movement as ensembles take the field to showcase their skills.

Experience a long-standing San Ramon Valley tradition at the San Ramon Valley Education Foundation’s 43rd Run for Education. Participants of all ages can walk or run at a comfortable pace alongside friends, family, classmates, teammates, and colleagues to support local public schools. The course features school mascots, cheer teams, and bands offering enthusiastic encouragement. Every participant receives a shirt and a medal. Beyond the run, enjoy games, a face painter, giveaways, and a variety of engaging exhibitors. This community celebration has supported local schools for over four decades, helping fund hands-on science kits, elementary maker spaces, musical instruments, art supplies, science projects, technology, school libraries, and teacher grants at every level.

An East Bay marketplace brings together a handpicked roster of Bay Area vintage dealers for a day of treasure hunting, local shopping, relaxing, and community connection. Set in the heart of downtown Lafayette, it spans two parking lots on opposite sides of the same block and is surrounded by brunch spots, cozy cafes, lively bars, restaurants, and independent specialty shops. Look for 30 seasoned vintage sellers and four live music acts. Admission, street parking, and BART parking are free, and the location is easily reached via BART at Lafayette Station. Added features include a beer garden operated by the Roundup Saloon Bar and a family game room by All Ages Play, along with standout independent boutiques. Maps are available at Vintage Vida Store.

An inclusive nonreligious community gathers to connect, reflect, and support one another with a focus on living better, helping often, and wondering more. To celebrate the Halloween season while giving back, costumes are welcome for both children and adults, and a hands-on service project will support Grace Solutions. It begins with casual conversation over coffee and pastries, continues with a member-led program featuring music and sing-alongs, and concludes with a community potluck, so please bring something to share. A livestream will be available on Zoom for those who prefer to participate remotely. Free parking is available nearby.

Cousins Maine Lobster brings lobster rolls to Brentwood with a food truck stop designed for an easy, flexible experience. Order ahead in the mobile app for same-day posted events, then pick up at the designated window at your chosen time. App ordering typically opens a few hours before the truck starts service, after the previous event has finished. If the app is limited or unavailable, walk-up orders at the truck are always accepted. Payment options include all major credit cards, cash, Apple Pay, and Google Pay. Guests can also join the in-app loyalty program to collect points toward free food, with points added automatically for app purchases or by scanning the app at checkout.

A weekly meetup for three-year-olds takes place at Cuesta Park in Mountain View, providing a friendly setting for kids to play together.

Off the Grid Pleasant Hill offers a weekly open-air food gathering with an easygoing vibe and a changing lineup of food creators. Expect choices like sliders, empanadas, sweet treats, and more, with live music setting the mood throughout the event. Local partners and pop-up vendors add to a relaxed atmosphere that is ideal for unwinding. It works well for casual meetups with friends or a simple family outing. There is no need for reservations. Admission is free, all ages are welcome, and pets are allowed. Parking is easy nearby. Held in Pleasant Hill; check the organizer’s weekly updates for exact location details and the current vendor lineup.