San Mateo County Fair
About this event
The San Mateo County Fair is an agricultural fair in San Mateo, California. The 2026 event takes place Jun 5–14, 2026. It holds a 4.1-star rating from 1,852 Google reviews. Bay Area county fair with agricultural displays, livestock, exhibits, carnival, entertainment, and family activities.
Annual early to mid-June
Location & directions
25th Ave & Delaware St, San Mateo, CA 94403
(650) 574-3247
Frequently asked questions
When is San Mateo County Fair 2026?
San Mateo County Fair takes place Jun 5–14, 2026 in San Mateo, California. Annual early to mid-June
Where is San Mateo County Fair held?
San Mateo County Fair is held in San Mateo, California, at 25th Ave & Delaware St, San Mateo, CA 94403.
What is San Mateo County Fair?
Bay Area county fair with agricultural displays, livestock, exhibits, carnival, entertainment, and family activities.
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