when is orange county fair

The Orange County Fair in Costa Mesa, California, for 2025 runs from July 18 to August 17. The fair is open Wednesday through Sunday and is closed on Mondays and Tuesdays. The usual hours are 11 a.m. to 11 p.m. on Wednesday, Thursday, and Sunday, and 11 a.m. to midnight on Friday and Saturday. This event features rides, live music, food vendors, competitions, and more. Tickets must be purchased in advance, and parking is available on-site for $15 per vehicle. Note that the Orange County Fair (New York) also holds a fair but on different dates: July 17 - 27, 2025. For the California OC Fair, the 2025 theme is “Find Your Happy,” and it is held at the OC Fair & Event Center located at 88 Fair Drive, Costa Mesa, CA.