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find Halloween events for every vibe.

Holiday events in Diamond Bar, CA

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DASH FRIDAYS : DEAD DANCE HALLOWEEN COSTUME PARTY 18+
Fri, Oct 17, 10:00 PM
Downtown · The Basement – Pomona
DASH FRIDAYS : DEAD DANCE HALLOWEEN COSTUME PARTY 18+
Fri, Oct 17, 10:00 PM
Downtown · The Basement – Pomona
Haunted HEAT Halloween
Fri, Oct 31, 9:30 PM
Hotel Circle · HEAT Ultra Lounge
Haunted HEAT Halloween
Fri, Oct 31, 9:30 PM
Hotel Circle · HEAT Ultra Lounge
A Festive Night At The Hollywood Canteen With Alex Mendham & His Orchestra
Sat, Dec 13, 5:00 PM
New Model Colony · Planes of Fame
A Festive Night At The Hollywood Canteen With Alex Mendham & His Orchestra
Sat, Dec 13, 5:00 PM
New Model Colony · Planes of Fame
Hocus Pocus Halloween Party
Thu, Oct 23, 6:00 PM
Claremont · Padua Hills Theatre
Hocus Pocus Halloween Party
Thu, Oct 23, 6:00 PM
Claremont · Padua Hills Theatre
Halloween Soiree`
Fri, Oct 31, 8:00 PM
Hotel Circle · Foundation Room Anaheim
Halloween Soiree`
Fri, Oct 31, 8:00 PM
Hotel Circle · Foundation Room Anaheim
Holiday Mixer: Jingle & Mingle – Made in the IE
Thu, Nov 13, 5:30 PM
North Cucamonga · Left Coast Brewing Distillery Smokehouse - Ontario
Holiday Mixer: Jingle & Mingle – Made in the IE
Thu, Nov 13, 5:30 PM
North Cucamonga · Left Coast Brewing Distillery Smokehouse - Ontario
Glow Party
Sat, Oct 25, 4:00 PM
Dowtown · 217 E A St
Glow Party
Sat, Oct 25, 4:00 PM
Dowtown · 217 E A St
Paint Party!!! Fiesta Pizza!!!UPLAND!!! Halloween Family night!!!!
Mon, Oct 20, 6:30 PM
Upland Palms · Fiesta Pizza
Paint Party!!! Fiesta Pizza!!!UPLAND!!! Halloween Family night!!!!
Mon, Oct 20, 6:30 PM
Upland Palms · Fiesta Pizza
Fright Night Halloween Bar Crawl Los Angeles
Fri, Oct 31, 7:30 PM
Five Points · TBA
Fright Night Halloween Bar Crawl Los Angeles
Fri, Oct 31, 7:30 PM
Five Points · TBA
Fright Night + Screams & Shots Weekend Pass – Los Angeles 2025
Fri, Oct 31, 7:30 PM
Five Points · TBA
Fright Night + Screams & Shots Weekend Pass – Los Angeles 2025
Fri, Oct 31, 7:30 PM
Five Points · TBA
Halloween Nightlife Crawl Los Angeles 2025
Fri, Oct 31, 7:30 PM
Five Points · TBA
Halloween Nightlife Crawl Los Angeles 2025
Fri, Oct 31, 7:30 PM
Five Points · TBA
Nightlife & Horde Halloween Weekend Pass – Los Angeles 2025
Fri, Oct 31, 7:30 PM
Five Points · TBA
Nightlife & Horde Halloween Weekend Pass – Los Angeles 2025
Fri, Oct 31, 7:30 PM
Five Points · TBA
Beer & Spirits Halloween Crawl – Los Angeles 2025
Sat, Nov 1, 7:30 PM
Five Points · TBA
Beer & Spirits Halloween Crawl – Los Angeles 2025
Sat, Nov 1, 7:30 PM
Five Points · TBA
Screams & Shots Halloween Bar Crawl 2025 | Los Angeles
Sat, Nov 1, 7:30 PM
Five Points · TBA
Screams & Shots Halloween Bar Crawl 2025 | Los Angeles
Sat, Nov 1, 7:30 PM
Five Points · TBA
Halloween Singles Party | Ages 21+ | Downtown Santa Ana | Cerveza Cito
Fri, Oct 31, 7:00 PM
Downtown · Cerveza Cito Brewery
Halloween Singles Party | Ages 21+ | Downtown Santa Ana | Cerveza Cito
Fri, Oct 31, 7:00 PM
Downtown · Cerveza Cito Brewery
Just added!
Lucky Lounge Presents: Halloween Costume Party
Thu, Oct 30, 10:00 PM
North Euclid · 1773 W Lincoln Ave
Just added!
Lucky Lounge Presents: Halloween Costume Party
Thu, Oct 30, 10:00 PM
North Euclid · 1773 W Lincoln Ave
Rose & Rue Pop Up
Sat, Oct 11, 11:00 AM
Lower Peters Canyon · Poppi Seed Market
Rose & Rue Pop Up
Sat, Oct 11, 11:00 AM
Lower Peters Canyon · Poppi Seed Market
Pumpkin Carving Ghouls Night
Sat, Oct 4, 5:00 PM
Mayfair · Her Society
Pumpkin Carving Ghouls Night
Sat, Oct 4, 5:00 PM
Mayfair · Her Society
New Years Eve 2026
Wed, Dec 31, 9:00 PM
Hotel Circle · HEAT Ultra Lounge
New Years Eve 2026
Wed, Dec 31, 9:00 PM
Hotel Circle · HEAT Ultra Lounge
Do The Halloween Pub Crawl in Santa Ana
Sat, Oct 25, 4:30 PM
Downtown · Proof
Do The Halloween Pub Crawl in Santa Ana
Sat, Oct 25, 4:30 PM
Downtown · Proof

Trends in Diamond Bar

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Frequently asked questions about Diamond Bar

What are the best party events to attend?

According to Eventbrite, the best party events are:

Haunted HEAT Halloween

A Festive Night At The Hollywood Canteen With Alex Mendham & His Orchestra

Hocus Pocus Halloween Party

Halloween Soiree`

Which events are currently trending in Diamond Bar?

The trending searches this month in Diamond Bar are:

events happening today near me

free kids event

Which party events are coming up?

Discover the best party events happening soon – you don't want to miss them:

Pumpkin Carving Ghouls Night

Rose & Rue Pop Up

DASH FRIDAYS : DEAD DANCE HALLOWEEN COSTUME PARTY 18+

Paint Party!!! Fiesta Pizza!!!UPLAND!!! Halloween Family night!!!!