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Home | Summer County Fairs in Marin and the San Francisco Bay Area

Summer County Fairs in Marin and the San Francisco Bay Area

County Fairs San Francisco Bay Area

Photo: Marin County Fair

Summer is almost here, and so are the San Francisco Bay Area's county fairs, which take place almost every week from June through August. In addition to our own fantastic Marin County Fair, which happens in San Rafael from June 30 through July 4, fairs take place in just about every county in the Bay Area. Your family can get its fill of fun all summer long with carnival rides, farm animals, concerts, competitions, games, performances, and much, much more! Each fair has its own unique offerings and fun activities for everyone.

Here's our guide to summer fairs and festivals in Marin County and the San Francisco Bay Area. We included the California State Fair in Sacramento, too. Fairs are listed in chronological order.

Contra Costa County Fair

May 17–20
Contra Costa County Fairgrounds, 1201 West 10th Street, Antioch 94509

The 2018 Contra Costa County Fair features the Xtreme Sports Zone, Kids Town America, Ag Venture Land, Midway of Fun Carnival live entertainment, animal shows, and more at

San Mateo County Fair

June 9–17
San Mateo Event Center, 1346 Saratoga Drive, San Mateo 94403

San Mateo County's annual fair includes concerts by Sugar Ray, Sheila E, and TLC, as well as free fair entertainment like the Ag Adventures pettting zoo, Gossamer Magic, the Chinese Acrobats of Hebei, and more. Of course there will be carnival rides, farm animals, and exhibits of all types, too.

Alameda County Fair

June 15–July 8
Alameda County Fairgrounds, 4501 Pleasanton Avenue, Pleasanton 94566

The Alameda County Fair in Pleasanton offers an amazing lineup of concerts featuring headliners like Blue Öyster Cult, Smash Mouth, Sir Mix-a-lot, and more. There will also be a carnival midway with rides and games, a 4th-of-July Fireworks Spectacular, kids' STEAM Weekends, farm animals, a rodeo, monster trucks, motocross, a demolition derby, and countless entertainers.

Sonoma-Marin Fair

June 20–24
Sonoma-Marin Fairgrounds, 175 Fairgrounds Drive, Petaluma 94952

The Sonoma-Marin Fair in Petaluma is famous for its renowned World's Ugliest Dog Contest, and features carnival rides, fair exhibits, crafts at Clo's Kids' Corner, and an Ag-Venture land where you can milk a cow, saddle a horse, ride a tractor, and more. Enjoy performances by strolling entertainers and free headliner concerts with En Vogue, 38 Special, Smash Mouth, and Clay Walker.

Marin County Fair

June 30–July 4
Marin County Fairgrounds, 10 Avenue of the Flags, San Rafael 94903

Marin's own fantastic fair never fails to thrill and entertain, with free carnival rides, farm animals, exhibits, and even the Imperial Stormtroopers of the 501st Legion. Stick around for free concerts with the Beach Boys, Michael Franti, LeAnn Rimes, and Los Lobos, as well as a nightly fireworks show. Read all about it here. This year's theme is "All for Fun | Fun for Al".

Solano County Fair

June 30–July 1
Solano County Fairgrounds, 900 Fairgrounds Drive, Vallejo 94589

The Solano County Fair's 2018 theme is "Blue Ribbon Fun." Fairgoers will enjoy free concerts, animal exhibits, carnival rides, and more.

Napa County Fair and Fireworks

July 4, noon–11 pm
Napa County Fairgrounds, 1435 North Oak Street, Calistoga 94515

Napa's county fair in Calistoga is a single-day affair that culminates in a spectacular 4th-of-July fireworks show. All carnival rides, events, entertainment, and exhibits are free with fair admission.

California State Fair

July 13–29
California Expo, Cal Expo, 1600 Exposition Boulevard, Sacramento 95815

The California State Fair takes place over 17 days this summer, and includes competitions, headliner concerts, animals, exhibits from each of California's 58 counties, a three-acre farm, the Whale Tale exhibit from the California Coastal Commission, and of course the biggest carnival in Northern California!

Sonoma County Fair

August 2–12
Sonoma Country Fairgrounds, 1350 Bennett Valley Road, Santa Rosa 95404

The Sonoma County Fair in Santa Rosa is big, exciting, and a lot of fun! See plenty of farm animals, concerts, a destruction derby, horse racing, fair exhibits, a flower show, and more. Of course there's a carnival with over 50 rides for kids, families, and thrill-seekers. Thursdays are Kids' Days: children 12 and under receive free general admission all day!