when is the la county fair open

The 2025 LA County Fair is open from May 2 to May 26. The opening day on May 2 runs from 5 p.m. to 11 p.m., and after that the fair operates from 11 a.m. to 11 p.m. on Thursdays through Sundays, and on Memorial Day (May 26). The fair is closed Monday through Wednesday except for its final day on May 26. It takes place at the Fairplex in Pomona, California.