May 30 - June 8, 2025
The San Mateo County Fair is a cherished annual event that brings together the community for a celebration of culture, innovation, and family fun. Held at the San Mateo County Event Center, the fair features a diverse array of attractions, including live entertainment, educational exhibits, agricultural displays, and a vibrant carnival. Visitors can enjoy performances by renowned artists, participate in interactive exhibits like Toytopia, and explore cultural showcases such as Pacific Islands Day. The fair also offers a variety of food vendors, contests, and activities suitable for all ages. The San Francisco PeninsulaSan Mateo County Fair
This year the fair adds The Bayside 101 Music Festival which is a dynamic two-day event that kicks off the San Mateo County Fair on May 30 and 31, 2025. Held across three stages—the Main Stage, Dance Stage, and Fiesta Stage—the festival features an eclectic lineup of artists, including headliners Better Than Ezra, Hoobastank, and Everclear, alongside local talents and DJs.
With a history dating back to 1926, the San Mateo County Fair has evolved from its origins as the "Little Flower Show" into a major event that reflects the dynamic spirit of the region. Over the years, it has hosted performances by notable artists and introduced innovative exhibits that engage and educate attendees. The fair continues to uphold its mission of promoting community involvement and cultural appreciation, making it a highlight of the Peninsula's annual calendar.
Tickets
San Mateo County Fair tickets are now on sale. Make sure to purchase your tickets ahead of time.


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Fairground Location
The San Mateo County Fair is located at the San Mateo County Event Center at 1346 Saratoga Dr., San Mateo, California 94403.
Fair Activities
Learn more about all the other free fair activities at the San Mateo County Fair!
Frequently Asked Questions
What are the dates of the San Mateo County Fair?
The San Mateo County Fair runs from May 30 - June 8, 2025
How much is parking?
Parking is $18 credit or $20 cash and available at the gate.
Can you bring water to the San Mateo County Fair?
External food and beverage are not allowed to be brought into the fairgrounds. Individuals who have special dietary needs due to a medical condition are allowed small coolers to accommodate such needs.
Is the San Mateo County Fair ADA-accessible?
ADA-accessible tables are located in the main food area, and all exhibit halls are ADA-accessible to guests with disabilities. Accessible parking spaces have been designated in the Guest parking lot for guests displaying a valid disabled placard or license plate. For more questions about accommodations, please call 650-574-3247.
Are service animals allowed?
Service animals are welcome at the San Mateo County Fair on a leash at all times.
Have more questions about the fair?
For any questions or concerns about the San Mateo County Fair, please reach out to their team or call the San Mateo County Event Center at 650-574-3247.