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find Halloween events for every vibe.

Events in Altadena, CA

Search for something you love or check out popular events in your area.

Selling quickly
2000s HALLOWEEN COSTUME PARTY IN DTLA!
Saturday at 10:00 PM
Los Angeles · The Catwalk Club
Selling quickly
2000s HALLOWEEN COSTUME PARTY IN DTLA!
Saturday at 10:00 PM
Los Angeles · The Catwalk Club
Rose Bowl Flea Market Sunday, November 9th, 2025
Sun, Nov 9, 5:00 AM
Pasadena · Rose Bowl Stadium
Rose Bowl Flea Market Sunday, November 9th, 2025
Sun, Nov 9, 5:00 AM
Pasadena · Rose Bowl Stadium
PRIVADAS CON EL OCHO (HALLOWEEN EDITION)
Thu, Oct 30, 9:00 PM
Los Angeles · Elevate Lounge
PRIVADAS CON EL OCHO (HALLOWEEN EDITION)
Thu, Oct 30, 9:00 PM
Los Angeles · Elevate Lounge
Sales end soon
A Conversation with Michael Connelly
Saturday at 5:00 PM
San Marino · San Marino Community Center
Sales end soon
A Conversation with Michael Connelly
Saturday at 5:00 PM
San Marino · San Marino Community Center
Selling quickly
KCRW Presents Joanne Lee Molinaro in Conversation
Sunday at 4:00 PM
Los Angeles · Colburn School
Selling quickly
KCRW Presents Joanne Lee Molinaro in Conversation
Sunday at 4:00 PM
Los Angeles · Colburn School
Sales end soon
THE WOLF HOUSE (La Casa Lobo) presented by El Cine — Intro by Filmmakers!
Tomorrow at 7:30 PM
Los Angeles · Philosophical Research Society
Sales end soon
THE WOLF HOUSE (La Casa Lobo) presented by El Cine — Intro by Filmmakers!
Tomorrow at 7:30 PM
Los Angeles · Philosophical Research Society
Selling quickly
HALLOWEEN ON MELROSE! HALLOWEEN NIGHT COSTUME PARTY
Fri, Oct 31, 9:00 PM
Los Angeles · The Melrose House
Selling quickly
HALLOWEEN ON MELROSE! HALLOWEEN NIGHT COSTUME PARTY
Fri, Oct 31, 9:00 PM
Los Angeles · The Melrose House
Sales end soon
The Haunted Mansion | Costume Party in Hollywood
Tomorrow at 10:00 PM
Los Angeles · Secret Location
Sales end soon
The Haunted Mansion | Costume Party in Hollywood
Tomorrow at 10:00 PM
Los Angeles · Secret Location
Nearly full
SlaughterHäus Halloween Popup
Tomorrow at 9:00 PM
Los Angeles · the melrose house
Nearly full
SlaughterHäus Halloween Popup
Tomorrow at 9:00 PM
Los Angeles · the melrose house
Articulation Therapy-Success with Sounds for Elementary School Children
Sat, Nov 8, 8:30 AM
Pasadena · 1570 E Colorado Blvd
Articulation Therapy-Success with Sounds for Elementary School Children
Sat, Nov 8, 8:30 AM
Pasadena · 1570 E Colorado Blvd
Selling quickly
RWC x Fallen Grape: The Wine Classic
Thu, Nov 6, 9:00 AM
Los Angeles · Roosevelt Golf Course
Selling quickly
RWC x Fallen Grape: The Wine Classic
Thu, Nov 6, 9:00 AM
Los Angeles · Roosevelt Golf Course
USC HALLOWEEN COSTUME PARTY @ LOS GLOBOS
Thu, Oct 30, 10:00 PM
Los Angeles · Los Globos
USC HALLOWEEN COSTUME PARTY @ LOS GLOBOS
Thu, Oct 30, 10:00 PM
Los Angeles · Los Globos
NIGHTMARE ON SUNSET REGGAETON HALLOWEEN PARTY 18+ / FREE B4 10:30 PM
Fri, Oct 31, 10:00 PM
Los Angeles · Los Globos
NIGHTMARE ON SUNSET REGGAETON HALLOWEEN PARTY 18+ / FREE B4 10:30 PM
Fri, Oct 31, 10:00 PM
Los Angeles · Los Globos
Nearly full
2000s, Hip-Hop, Reggaeton Halloween Rooftop Party @ Elevate DTLA: Studio 21
Tomorrow at 10:00 PM
Los Angeles · Elevate Lounge
Nearly full
2000s, Hip-Hop, Reggaeton Halloween Rooftop Party @ Elevate DTLA: Studio 21
Tomorrow at 10:00 PM
Los Angeles · Elevate Lounge
Enchantment Under The Sea Dance ~ Anniversary Recreation
Sat, Nov 8, 5:00 PM
Hollywood · Hollywood United Methodist Church
Enchantment Under The Sea Dance ~ Anniversary Recreation
Sat, Nov 8, 5:00 PM
Hollywood · Hollywood United Methodist Church
Nearly full
Dead Poets Society
Thu, Nov 20, 7:00 PM
La Canada · St. Francis High School
Nearly full
Dead Poets Society
Thu, Nov 20, 7:00 PM
La Canada · St. Francis High School
Club 90s presents 2000s Halloween
Fri, Oct 31, 9:30 PM
Los Angeles · The Vermont Hollywood
Club 90s presents 2000s Halloween
Fri, Oct 31, 9:30 PM
Los Angeles · The Vermont Hollywood
A Pasadena Christmas in November: New Advent Carols for YOUR parish
Fri, Nov 7, 7:30 PM
Pasadena · St. Andrew Catholic Church
A Pasadena Christmas in November: New Advent Carols for YOUR parish
Fri, Nov 7, 7:30 PM
Pasadena · St. Andrew Catholic Church
Selling quickly
AFROBEATS TAKEOVER VS REGGAE
Saturday at 10:00 PM
Los Angeles · Dragonfly Hollywood
Selling quickly
AFROBEATS TAKEOVER VS REGGAE
Saturday at 10:00 PM
Los Angeles · Dragonfly Hollywood
Selling quickly
SKA NITE - HALLOWEEN PARTY w/ MATAMOSKA + more
Saturday at 8:00 PM
Los Angeles · The Paramount
Selling quickly
SKA NITE - HALLOWEEN PARTY w/ MATAMOSKA + more
Saturday at 8:00 PM
Los Angeles · The Paramount

Trends in Altadena

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Frequently asked questions about Altadena

What are the best events to attend?

According to Eventbrite, the best events are:

2000s HALLOWEEN COSTUME PARTY IN DTLA!

Rose Bowl Flea Market Sunday, November 9th, 2025

PRIVADAS CON EL OCHO (HALLOWEEN EDITION)

A Conversation with Michael Connelly

Which events are currently trending in Altadena?

The trending searches this month in Altadena are:

halloween events

free supplies fire relief

Which events are coming up?

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

THE WOLF HOUSE (La Casa Lobo) presented by El Cine — Intro by Filmmakers!

SlaughterHäus Halloween Popup

The Haunted Mansion | Costume Party in Hollywood

2000s, Hip-Hop, Reggaeton Halloween Rooftop Party @ Elevate DTLA: Studio 21