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find Halloween events for every vibe.

October events in Diamond Bar, CA

SAT OCT 25 . $500 COSTUME CONTEST, FREE WITH RSVP. 562 972 4040
Sat, Oct 25, 8:00 PM
Uptown Whittier · Sage Restaurant & Lounge
SAT OCT 25 . $500 COSTUME CONTEST, FREE WITH RSVP. 562 972 4040
Sat, Oct 25, 8:00 PM
Uptown Whittier · Sage Restaurant & Lounge
DAVINES BLONDE MIXOLOGY WITH ROCH LEMAY - ANAHEIM
Sun, Oct 26, 9:00 AM
La Jolla · Bassett House
DAVINES BLONDE MIXOLOGY WITH ROCH LEMAY - ANAHEIM
Sun, Oct 26, 9:00 AM
La Jolla · Bassett House
Carnaval Thursdays : NIGHTMARE BEFORE HALLOWEEN
Thu, Oct 30, 9:30 PM
Downtown · Carnaval Nightclub
Carnaval Thursdays : NIGHTMARE BEFORE HALLOWEEN
Thu, Oct 30, 9:30 PM
Downtown · Carnaval Nightclub
Selling quickly
Abdul Hannan Meet & Greet – Chai Society Block Party
Sun, Oct 19, 5:00 PM
South Anaheim · 2Create Designs
Selling quickly
Abdul Hannan Meet & Greet – Chai Society Block Party
Sun, Oct 19, 5:00 PM
South Anaheim · 2Create Designs
Sales end soon
Michael Myers Sip & Paint
Tuesday at 7:00 PM
Downtown Fullerton · ZAMA Latin Lounge + Kitchen
Sales end soon
Michael Myers Sip & Paint
Tuesday at 7:00 PM
Downtown Fullerton · ZAMA Latin Lounge + Kitchen
Spooky Dance Time
Sun, Oct 19, 7:00 PM
SoCo · Mi Vida Loca Bar and Lounge
Spooky Dance Time
Sun, Oct 19, 7:00 PM
SoCo · Mi Vida Loca Bar and Lounge
Nearly full
IXL Live: Administrator Edition - Ontario, CA (Oct. 22)
Wed, Oct 22, 10:00 AM
North Ontario · Delta Hotels by Marriott Ontario
Nearly full
IXL Live: Administrator Edition - Ontario, CA (Oct. 22)
Wed, Oct 22, 10:00 AM
North Ontario · Delta Hotels by Marriott Ontario
In Conversation With: Daniel Villarreal
Sat, Oct 18, 6:00 PM
Des Moines · The Phantom Projects Theatre at La Habra Depot
In Conversation With: Daniel Villarreal
Sat, Oct 18, 6:00 PM
Des Moines · The Phantom Projects Theatre at La Habra Depot
Gozo Kitchen & Lounge Presents Mariachi Brunch
Sun, Oct 26, 11:00 AM
Boys Republic · Gozo Kitchen & Lounge
Gozo Kitchen & Lounge Presents Mariachi Brunch
Sun, Oct 26, 11:00 AM
Boys Republic · Gozo Kitchen & Lounge
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
Townhall Conservative Forum 2025
Sun, Oct 19, 11:00 AM
Hotel Circle · Hyatt Regency Orange County
Townhall Conservative Forum 2025
Sun, Oct 19, 11:00 AM
Hotel Circle · Hyatt Regency Orange County
Selling quickly
Paint n Sip BUZZWORTHY BEVERAGE CLAREMONT
Sat, Oct 18, 12:30 PM
North Pomona · Buzzworthy Beverages - Non-alcoholic & Functional Bottle Shop
Selling quickly
Paint n Sip BUZZWORTHY BEVERAGE CLAREMONT
Sat, Oct 18, 12:30 PM
North Pomona · Buzzworthy Beverages - Non-alcoholic & Functional Bottle Shop
Bzzy Movement - Rave Till The Grave
Friday at 8:00 PM
Downtown · Glendora Event Center
Bzzy Movement - Rave Till The Grave
Friday at 8:00 PM
Downtown · Glendora Event Center
So Fetch & So Scary - Paint & Sip Event at Haven Haus
Friday at 6:00 PM
Terra Vista · Haven Haus Cafe
So Fetch & So Scary - Paint & Sip Event at Haven Haus
Friday at 6:00 PM
Terra Vista · Haven Haus Cafe
For The Culture Barber & Beauty Expo
Today at 12:00 PM
Rochester · Majestic Banquet & Events Venue
For The Culture Barber & Beauty Expo
Today at 12:00 PM
Rochester · Majestic Banquet & Events Venue
Fireside Chat + Networking in Claremont New Construction and ADUs
Thursday at 4:00 PM
North Pomona · Hotel Casa 425 + Lounge
Fireside Chat + Networking in Claremont New Construction and ADUs
Thursday at 4:00 PM
North Pomona · Hotel Casa 425 + Lounge
Sales end soon
Ghostly Flowers Paint and Sip in Anaheim!
Tuesday at 6:30 PM
Olive · Pfeiffer Brewing Company
Sales end soon
Ghostly Flowers Paint and Sip in Anaheim!
Tuesday at 6:30 PM
Olive · Pfeiffer Brewing Company
Fall Wellness & Market
Sat, Oct 25, 10:00 AM
Boys Republic · 4300 Heather Cir
Fall Wellness & Market
Sat, Oct 25, 10:00 AM
Boys Republic · 4300 Heather Cir
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
Nearly full
2025 OC Public Safety & Re-Entry Conference: Addiction & Recovery
Wed, Oct 22, 8:00 AM
The Block · Great Wolf Lodge Garden Grove
Nearly full
2025 OC Public Safety & Re-Entry Conference: Addiction & Recovery
Wed, Oct 22, 8:00 AM
The Block · Great Wolf Lodge Garden Grove

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