Halloween Events Orange County Ca 2025. Street carnivals, ghost tours, family friendly events, spooky costume parties, pub crawls, eerie orange attractions, halloween horror nights and. Event starts on thursday, 24 october 2025 and happening at hilton orange county/costa mesa (3050 bristol st, costa.

Halloween 2025 events near irvine. On monday, the resort released the dates for the 2025 halloween season.