Upcoming Events in Diamond Bar

Collectors Expo LA - 2 Day Pass

17 January 2026

Pomona, CA

Fairplex Garden Railroad, 1101 W McKinley Ave

Sandbox Playdate

22 October 2025

Diamond Bar, CA

Diamond Bar Library, 21800 Copley Dr

Hygge Jigsaw Puzzle Race and Swap

20 October 2025

Diamond Bar, CA

Diamond Bar Library, 21800 Copley Dr

Meet Your Public Safety Service Providers - new

29 October 2025

Diamond Bar, CA

Diamond Bar Community Center, 1600 Grand Ave

Oak Tree Open

22 November 2025

Diamond Bar, CA

Oak Tree Lanes, 990 N Diamond Bar Blvd

MākMō: The Magic of Grids

23 October 2025

Diamond Bar, CA

Diamond Bar Library, 21800 Copley Dr

Diamond Bar High School Annual Golf Tournament 2026

16 February 2026

Chino Hills, CA

Los Serranos Country Club, 15656 Yorba Ave

CAAP KWANZAA Celebration

14 December 2025

Diamond Bar, CA

Diamond Bar High School, 21400 Pathfinder Rd

Diamond Bar vs Chino

29 October 2025

Chino, CA

Chino High School, 5431 Jefferson Ave

Diamond Bar at Downey

02 December 2025

Downey, CA

11040 Brookshire Ave