This weekend in Contra Costa County, CA

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.

The Art Life Halloween Crop brings a day of creative fun to the Clubhouse in Concord. The crop includes special kits and a project class, so participants can dive right into hands-on projects. Bring friends and spend the day making and sharing memories in a friendly, social setting.

Create 12 handmade cards with a choice of twelve different designs, then wrap up with a bonus project. Remember to bring your essential crafting tools.

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.

Banda Sin Nombre brings a free live performance to Sailing Goat, blending global folk traditions with performance art, drag, and dance. Rooted in San Francisco’s Mission District, the group layers close vocal harmonies over acoustic sounds from guitar, fiddle, accordion, charango, jarana, cajon, and upright bass. Their set draws inspiration from Peruvian chicha, Catalan rumba, Appalachian old time, and cumbia for a vibrant, cross-cultural mix. Over more than a decade together, they have cultivated a dedicated Bay Area following with appearances at Stern Grove Festival, Yerba Buena Gardens Festival, Freight & Salvage, the New Parish, MACLA, The Chapel, the Boom Boom Room, Amnesia, El Rio, Cafe Revolution, Elbo Room, Brava Theater, Mission Cultural Center, Red Poppy Art House, and Club Deluxe. They also collaborate with artists across disciplines and have toured in Spain and Latin America.

Spinout performs at the Pleasant Hill Harvest Festival, bringing live music to the celebration. Admission is free.

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.

Enjoy a lively bunco fundraiser where rolling the dice comes with laughter, prizes, and plenty of good company. Players can bring friends, share the excitement at the tables, and support a meaningful cause with every roll. It is a simple, social way to have fun while helping make a difference.

Move to the beat of Brazil with Mary Dollar in a high-energy samba class that welcomes every experience level. The follow-along format makes it easy to jump in as you groove to Afro-Brazilian and samba rhythms while building your dance technique and performance skills. Explore core elements like foundational samba footwork, hip articulation, expressive arm styling and a lively choreography that boosts confidence on the dance floor. Each class features a full-body warmup, followed by stretching and floor mat exercises. Wear comfortable clothing and soft-soled shoes, and bring a mat and a towel. Expect to sweat, swing and have so much fun that the workout sneaks up on you.

At Point San Pablo Harbor’s BIG ART Concert Meadow, Tune-Yards headlines an outdoor evening of adventurous sounds on the Music On The Meadow Stage. Known for a vivid mix of indie pop, funk, and global rhythms, and for contributions to the soundtracks of Boots Riley’s Sorry to Bother You, I’m a Virgo, and I Love Boosters, the group brings an energetic, genre-blending set by the water. The night opens with Gabby La La, whose sitar and whimsical melodies create a captivating atmosphere, followed by Foxtails Brigade with cinematic indie pop that weaves rich harmonies, folk influences, and elegant orchestration. Sliding scale tickets range from $40 to $60, and the $60 option includes no fees. VIP reserved picnic tables for six or eight guests are available. On-site offerings include food, local beer, wine, and other beverages. Plan for cooler temperatures by bringing warm layers, blankets, and camp chairs. Outside food or alcohol is not permitted. Dogs on leash are welcome, and children 13 and under attend for free. Parking is available in the Special Events Parking Area with an advance fee of $10 per car or $20 on the day of the show. Each vehicle needs a parking pass that will be shown at the ticket booth for entry to the meadow. Carpooling is encouraged. The main lot is reserved for the Sailing Goat Restaurant and for guests who require accessible parking during events. Please inform the parking attendant if accessible parking is needed.

Settle in for a delicious dinner, then watch as beloved paintings burst into motion on stage. Vivid color and live music flow through an array of dance styles, from ballroom and swing to samba and Argentine tango, with more woven into the program. The result is a lively, art-filled journey that pairs a satisfying meal with a theatrical experience where creativity steps out of the frame.

Grunge Street returns to CJ's Pleasant Hill with a night of 90s grunge and alternative rock. The band features Frank Abono on vocals, Dean Richards on guitar, Tony Martinez on drums, and JP on bass. There is no cover charge, and food is available out back.

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.

Suzanne Bare leads an engaging Argentine Tango fundamentals class that builds technique, confidence, and connection. Participants who wish to perform can take part in performances and her formation team. A one hour practica is included after the lesson for extra practice.

Weekly support groups at Insight Wellness Center provide LGBTQIA+ individuals with a welcoming, structured setting to reflect on personal experiences, build coping tools, and form supportive peer connections. For details, call 925-722-6225.