- Social And MeetupsBridges Social ClubProfessional women’s community with curated events, networking, and member connection.
- Social And MeetupsBrotherhood of Elders NetworkAn intergenerational network of men of African descent dedicated to creating supportive environments where Black males can thrive.
- Social And MeetupsBurlingame Parents' ClubEmpowers families with children from birth to age six by fostering a nurturing community that offers support, valuable resources, and lasting friendships; welcomes families from all over the Peninsula.
- Social And MeetupsBurlingame Woman's Club (BWC)Burlingame Woman's Club (BWC) is a group of women from Burlingame and surrounding towns who gather for fellowship and to support the community through service and philanthropy.
- Volunteering And CausesBWOPA Richmond/Contra Costa ChapterBWOPA's primary goal is to educate, train, and involve as many African American women as possible in the political process.
- Books And WritingCalifornia Genealogical SocietyGenealogical society with a research library, research services, classes, special interest groups, and publications including The California Nugget journal.
- Nature Gardens And FarmsCalifornia Horticultural SocietyBay Area horticultural society with membership, lectures, plant knowledge, and gardening community.
- Nature Gardens And FarmsCalifornia Native Plant SocietyProtecting California's native flora through science, education, conservation, and gardening.
- Science Tech And CodingCalifornia Native Plant Society - East Bay ChapterCNPS East Bay chapter covering Alameda and Contra Costa counties, with speaker programs, field trips, restoration projects, native plant gardening resources, conservation advocacy, and a rare plants program.
- Arts And CraftsCalifornia Watercolor AssociationWatercolor association offering monthly meetings, workshops, member shows, outreach, and an annual International Exhibition (57th in 2026).
- Books And WritingCalifornia Writers Club - Bay Area BranchesUmbrella row for Bay Area branches of the California Writers Club, avoiding one row per branch.
- Social And MeetupsCalifornia Writers Club, Berkeley BranchThe California Writer's Club was started by a group of community-minded writing professionals in the early 1900s. They met informally until 1909, when the Club was founded, with Austin Lewis as its first president. The Berkeley Branch is the founding branch of the statewide Club, which now has 19 branches and around 2000 members throughout California. We are the third oldest writers’ club in the country, celebrating over a century serving Bay Area writers.
- Outdoors And AdventureCal Sailing ClubThe Cal Sailing Club is a volunteer-run community sailing and windsurfing club, located at the Berkeley Marina. We offer lessons, recreation, and programs for the public. Our mission is to make access to water safe, fun and available to all!
- Games And TabletopCarquinez Model Railroad SocietyModel railroad society with layouts, events, and railroad modeling community.
- Sports Wellness And RecreationCasual JogboysCasual run club taking participants to breathtaking destinations to facilitate once-in-a-lifetime jogging experiences.
- Sports Wellness And RecreationChai and MilesChai and Miles is a space for South Asian individuals to meet and run.
- Sports Wellness And RecreationCherry City BowmenAn archery club promoting target and field archery, with a range located in San Leandro.
- Culture And LanguageCIAO Bay AreaItalian cultural/community organization connecting people through Italian language, culture, and events.
- Science Tech And CodingCircuit LaunchCircuit Launch is a coworking, colocating space dedicated to electronic hardware development, with integrated prototyping and testing labs. We offer private offices, shared electronic and prototype labs for inventors, startups and growing companies.
- Sports Wellness And RecreationCity Girls Who Walk SFA walking club dedicated to community and new friendships ✨
- Sports Wellness And RecreationCity RunnersCity Runners is proud to offer a unique approach to Personal Training by creating individualized programs that incorporate holistic wellness practices that promote a healthy mind and body.
- Science Tech And CodingClickHouse Bay Area and Silicon Valley Meetup GroupCommunity for people interested in ClickHouse, open-source analytics, software design, and real-time analytics architecture.
- Science Tech And CodingCloud Native / Kubernetes Bay Area CommunitiesBay Area cloud-native community around Kubernetes, containers, open infrastructure, microservices, platform engineering, and related technologies.
- Nature Gardens And FarmsCNPS East Bay ChapterThe mission of the East Bay chapter of the California Native Plant Society (CNPS) is to conserve California native plants and their natural habitats, and increase understanding, appreciation, and horticultural use of native plants.
- Volunteering And CausesCommunity Action for a Sustainable Alameda (CASA)CASA (Community Action for a Sustainable Alameda) is a community-wide coalition dedicated to raising awareness, mobilizing community action, and facilitating the implementation of programs