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Community Events and Things to do in Altadena, CA

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City of Maywood Free HHW and E-Waste Collection Event
Sat, May 30, 9:00 AM
Maywood · Southeast Rio Vista YMCA at Maywood Park, Enter collection from Heliotrope Ave. (Rear Parking Lot)
City of Maywood Free HHW and E-Waste Collection Event
Sat, May 30, 9:00 AM
Maywood · Southeast Rio Vista YMCA at Maywood Park, Enter collection from Heliotrope Ave. (Rear Parking Lot)
2026 Rosemead Moon Festival
Sat, Sep 12, 2:30 PM
Rosemead · Rosemead City Hall
2026 Rosemead Moon Festival
Sat, Sep 12, 2:30 PM
Rosemead · Rosemead City Hall
Unincorporated Hacienda Heights Free HHW and E-Waste Collection Event
Sat, May 2, 9:00 AM
Hacienda Heights · Dibble Adult School (Enter collection from S. Stimson Ave.)
Unincorporated Hacienda Heights Free HHW and E-Waste Collection Event
Sat, May 2, 9:00 AM
Hacienda Heights · Dibble Adult School (Enter collection from S. Stimson Ave.)
Almost full
Khachatur Avetisyan’s 100th Anniversary and Armenian Genocide Commemoration
Thursday at 7:00 PM
Los Angeles · Schoenberg Hall
Almost full
Khachatur Avetisyan’s 100th Anniversary and Armenian Genocide Commemoration
Thursday at 7:00 PM
Los Angeles · Schoenberg Hall
Laughter is the Best Medicine at Covina Center for the Performing Arts
Sat, Jun 13, 1:30 PM
Covina · 104 N Citrus Ave
Laughter is the Best Medicine at Covina Center for the Performing Arts
Sat, Jun 13, 1:30 PM
Covina · 104 N Citrus Ave
Sales end soon
Downtown Downey Night Market: Mambo No. Night!
Thursday at 5:00 PM
Downey · Downtown Downey Night Market, Downey Avenue, Downey, CA, USA
Sales end soon
Downtown Downey Night Market: Mambo No. Night!
Thursday at 5:00 PM
Downey · Downtown Downey Night Market, Downey Avenue, Downey, CA, USA
Community Garden Work Day
Sat, Jul 11, 9:00 AM
Los Angeles · 99th Street Elementary School
Community Garden Work Day
Sat, Jul 11, 9:00 AM
Los Angeles · 99th Street Elementary School
La Borracha Festival
Fri, May 8, 5:00 PM
Redlands · Edwards Mansion
La Borracha Festival
Fri, May 8, 5:00 PM
Redlands · Edwards Mansion
Black @ the Dog Park
Sun, Apr 26, 2:00 PM + 4 more
Culver City · Boneyard Dog Park
Black @ the Dog Park
Sun, Apr 26, 2:00 PM + 4 more
Culver City · Boneyard Dog Park
Sales end soon
Scream Club® Pasadena
Thursday at 6:30 PM
Pasadena · Jackie Robinson Baseball Stadium
Sales end soon
Scream Club® Pasadena
Thursday at 6:30 PM
Pasadena · Jackie Robinson Baseball Stadium
MobilityDog’s Accessibility Resource Fair A.R.F! May 2 Pasadena City Hal
Fri, May 1, 10:30 AM
Pasadena · Centennial Square
MobilityDog’s Accessibility Resource Fair A.R.F! May 2 Pasadena City Hal
Fri, May 1, 10:30 AM
Pasadena · Centennial Square
Almost full
Silent Book Club at The Open Book Pasadena
Sun, Apr 26, 5:00 PM
Pasadena · 300 E Colorado Blvd #161
Almost full
Silent Book Club at The Open Book Pasadena
Sun, Apr 26, 5:00 PM
Pasadena · 300 E Colorado Blvd #161
Women Unfiltered — Monthly Women Support Circle | Dinner Provided
Wed, Apr 29, 6:30 PM + 8 more
Pasadena · 26 N Raymond Ave
Women Unfiltered — Monthly Women Support Circle | Dinner Provided
Wed, Apr 29, 6:30 PM + 8 more
Pasadena · 26 N Raymond Ave
Garden of Good | Earth Day
Saturday at 1:00 PM
Pasadena · One Colorado Old Pasadena
Garden of Good | Earth Day
Saturday at 1:00 PM
Pasadena · One Colorado Old Pasadena
Monterey Park Safe Routes to School Workshop #3
Thu, Apr 30, 6:00 PM
Alhambra · Mark Keppel High School
Monterey Park Safe Routes to School Workshop #3
Thu, Apr 30, 6:00 PM
Alhambra · Mark Keppel High School
CINCO DE MAYO FIESTA, TOCADA y BAILE!
Sat, May 2, 8:00 PM
Pasadena · The Mixx
CINCO DE MAYO FIESTA, TOCADA y BAILE!
Sat, May 2, 8:00 PM
Pasadena · The Mixx
ActiveSGV Rain Gardens Volunteer Day in Alhambra
Sun, Apr 26, 8:30 AM
Alhambra · 724 S 7th St
ActiveSGV Rain Gardens Volunteer Day in Alhambra
Sun, Apr 26, 8:30 AM
Alhambra · 724 S 7th St
Independent Bookstore Day
Saturday at 11:00 AM
Pasadena · 2057 N Los Robles Ave
Independent Bookstore Day
Saturday at 11:00 AM
Pasadena · 2057 N Los Robles Ave
Just added
Flores Y Calaveras Community Event
Saturday at 3:00 PM
Pasadena · 1498 N Fair Oaks Ave
Just added
Flores Y Calaveras Community Event
Saturday at 3:00 PM
Pasadena · 1498 N Fair Oaks Ave
2026 PCC SPORTS HALL OF FAME CEREMONY
Sat, May 2, 11:00 AM
Pasadena · Sexson Auditorium - C 230
2026 PCC SPORTS HALL OF FAME CEREMONY
Sat, May 2, 11:00 AM
Pasadena · Sexson Auditorium - C 230

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:

City of Maywood Free HHW and E-Waste Collection Event

2026 Rosemead Moon Festival

Unincorporated Hacienda Heights Free HHW and E-Waste Collection Event

Laughter is the Best Medicine at Covina Center for the Performing Arts

Which events are currently trending in Altadena?

The trending searches this month in Altadena are:

delphi hotel los angeles

eaton wildfires

Which events are coming up?

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

Downtown Downey Night Market: Mambo No. Night!

Scream Club® Pasadena

Khachatur Avetisyan’s 100th Anniversary and Armenian Genocide Commemoration

Independent Bookstore Day