Diamond Bar 4th of July Blast: 2026 hours & dates

Diamond Bar 4th of July Blast: 5:00 PM–9:00 PM, Friday, July 4 (not confirmed by the organiser).

Diamond Bar 4th of July Blast: hours, dates and location, from official sources.

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Details

Address
Lorbeer Middle School, Diamond Bar, CA (not confirmed by the organiser)
Hours
5:00 PM–9:00 PM, Friday, July 4 (not confirmed by the organiser)
Notes
Annual city fireworks/music celebration; free parking and admission. Originally at Sycamore Canyon Park, moved to Diamond Bar High School/Lorbeer Middle School as it grew. (not confirmed by the organiser)
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Common questions

When is Diamond Bar 4th of July Blast open?
Diamond Bar 4th of July Blast is open 5:00 PM–9:00 PM, Friday, July 4 (not confirmed by the organiser).

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