Event Calendar

Calendar Review
City Birthday Party
Celebrating 28 years!

The annual birthday party, held each April at Pantera Park is the culmination of an innovative partnership between the City, community organizations, school districts, law enforcement agencies, local businesses, and non-profit service agencies.

Considered the City's largest annual event, the party celebrates the cultural diversity of the community and the red-white-and-blue "Spirit of Diamond Bar."

The event features rides, games, food, entertainment, a car show, a business showcase, and birthday cake for everyone. CASH ONLY EVENT, NO BILLS OVER $20 ACCEPTED.

Event Information