Oc County Fair Concerts 2025

Oc County Fair Concerts 2025. From july 19 to august 18, the oc fairgrounds in costa mesa is the place to be for good vibes, great music, and unforgettable memories. When is the oc fair open?

Pacific amphitheatre added a new show to its 2025 oc fair concert season. We are thrilled to welcome everyone back to the oc fair where it’s “always a good time!”.