Contra Costa Con

Bay Area Festivalsis presenting in 2025: Free 7th Super Valentine's Boutique (Feb. 2 in Concord), 6 free Bay Area Camp & School Fairs (Feb. 22 Tri-Valley Camp & School Fair in San Ramon, Feb. 23 Contra Costa Camp & School Fair in Walnut Creek, Mar. 1 Fremont Camp Fair, Mar. 2 Palo Alto Camp Fair, Mar. 22 Tri-Valley Camp & School Fair in Sunnyvale, Mar. 23 Marin Camp Fair in San Rafael), 3rd annual Contra Costa Con Star Wars Celebration (March 30 in Concord), free 3rd Mom's Day Boutique (April 26 in Pleasant Hill), free 4th annual Bay Area SpringFest outdoors in Todos Santos Plaza (May 3 in Concord), Bay Area KidFest (34th festival May 24-26 on Memorial Day Weekend in Concord), free 17th King of the County BBQ & Music Festival (June 13-15 on Father's Day Weekend in Martinez), free Walnut Creek Oktoberfest (Sept. 26-27 ), 5th annual Contra Costa Halloween Con (Oct. 19 in Concord), 9th free Bay Area Kids' Book Fair (Nov. 1 in Silicon Valley and Nov. 2 in San Ramon) and free 16th annual Super Holiday Boutique (Dec. 6 in Pleasant Hill and Dec. 7 in Concord).E﻿xhibitors looking for information to sponsor or exhibit at Bay Area Festivals events canregister here.

Bay Area Festivals

1st Contra Costa Con. Comics, LEGO, toys, more. Michelangelo and Raphael from Teenage Mutant Ninja Turtles and Spider-Man. Cosplay contest.

Clarion Hotel

<p>Join us for the inaugural Contra Costa Con on Sunday, Nov. 10, at the Clarion Hotel in Concord.</p>

Contra Costa Halloween Con 2026

Hilton Concord

Super Holiday Boutique - 17th annual FREE Dec. 5 in Pleasant Hill

Pleasant Hill Community Center

Super Holiday Boutique -  17th annual FREE Dec. 6 in Concord

Hilton Concord Hotel

Our {communityGuidelinesLink} describe the sort of content we prohibit on Eventbrite. If you suspect an event may be in violation, you can report it to us so we can investigate.

To report other categories of prohibited or illegal content, submit {link}

Contra Costa Con

More events from Bay Area Festivals

Follow organizers to get events picked for you

Contra Costa Halloween Con 2026

Super Holiday Boutique - 17th annual FREE Dec. 5 in Pleasant Hill

Super Holiday Boutique - 17th annual FREE Dec. 6 in Concord

Still looking for the right event?

Explore all events in Concord and filter by date, category, and more to find the perfect fit.

Contra Costa Con

More events from Bay Area Festivals

Follow organizers to get events picked for you

Contra Costa Halloween Con 2026

Super Holiday Boutique - 17th annual FREE Dec. 5 in Pleasant Hill

Super Holiday Boutique - 17th annual FREE Dec. 6 in Concord

You might also like...

Browse more events with different dates, prices, and formats to find your next great experience.

Still looking for the right event?

Explore all events in Concord and filter by date, category, and more to find the perfect fit.