HiNeighbor Local Events in Concord
Contra Costa Halloween Con 2026
Sunday, October 25, 2026 · Sunday, October 25, 10:00 AM–4:00 PM
Hilton Concord, 1970 Diamond Blvd, Concord, CA
Advance admission $14; ages 9 and under
Family pop-culture convention with comics, toys, art, games, collectibles and an all-ages cosplay contest.
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