Tuesday, October 13, 2026, 3:00PM – 5:00PM
Garden Grove Police Department
Pumpkins, Pals & Police
Woodbury Park
13800 Rosita Place, Garden Grove, CA 92843
https://ggcity.org/events/pumpkins-pals-and-police
Friday, October 16, 2026, 4:00PM – 6:00PM
City of Hawaiian Gardens
Halloween Safety Event
Public Safety Center
11940 East Carson Street, Hawaiian Gardens, CA 90716
https://www.hgcity.org/Home/Components/News/News/655/16
Friday, October 23, 2026, 4:30PM
City of Westminster
Halloween Spooktacular
Westminster Civic Center
8200 Westminster Boulevard, Westminster, CA 92683
https://www.westminster-ca.gov/departments/community-services/recreation/special-events
Saturday, October 24, 2026, 7:30AM – 11:00AM
City of San Clemente
Monster Dash & Creepy Crawl Fun Run
Community Center
100 North Calle Seville, San Clemente, CA 92672
Register Here: https://www.sanclemente.gov/Calendar.aspx?EID=1367
Saturday, October 24, 2026, 1:00PM – 4:00PM
City of Garden Grove
Jack O’ Lantern Jamboree
Garden Grove Park
13630 Atlantis Way, Garden Grove, CA 92844
Register Here: https://ggcity.org/news/joj-2026
Saturday, October 24, 2026, 1:30PM – 5:00PM
City of Dana Point
Halloween Spooktacular & Trunk or Treat
Dana Point Community Center
34052 Del Obispo Street, Dana Point, CA, 92629
https://www.danapoint.org/Community/Special-Events/2026/Halloween-Spooktacular-Trunk-or-Treat-2026
Saturday, October 24, 2026, 3:00PM – 6:00PM
City of Newport Beach
9th Annual Halloween Spooktacular
Mariners Park & VJ Community Center
1300 Irvine Avenue, Newport Beach, CA 92660
https://www.newportbeachca.gov/Home/Components/Calendar/Event/84592/72
Saturday, October 24, 2026, 3:30PM – 6:00PM
City of La Palma
Halloween Carnival & Costume Contest
Central Park
7821 Walker Street, La Palma, CA 90623
https://lapalmaca.gov/halloween
Saturday, October 24, 2026, 4:00PM – 8:00PM
City of Stanton
Halloween Festival
Stanton Central Park
10660 Western Avenue, Stanton, CA 90680
Call (714) 890-4270 for more information
Saturday, October 24, 2026, 5:00PM – 7:30PM
City of Los Alamitos
9th Annual Halloween Spooktacular
Little Cottonwood Park
4000 Farquhar Avenue, Los Alamitos, CA 90720
https://cityoflosalamitos.org/311/Trunk-or-Treat
Wednesday, October 28, 2026, 2:00PM – 6:00PM
City of Buena Park
Cops N' Goblins: Fall Trick or Treat Spooktacular
Buena Park City Hall
6650 Beach Boulevard, Buena Park, CA 90621
https://www.buenapark.com/city_departments/community_services/cultural___fine_arts/fall_festival.php
Thursday, October 29, 2026, 5:00PM – 6:00PM
City of Huntington Beach
Halloween Trick-or-Treat
Central Library
7111 Talbert Avenue, Huntington Beach, CA 92648
https://hbpl.libcal.com/event/17686060
Friday, October 30, 2026, 11:00AM – 4:00PM
City of Seal Beach
Trick or Treat on Main Street – Seal Beach Chamber of Commerce
Main Street, Downtown Seal Beach
https://www.sealbeachchamber.org/calendar/#!event/2026/10/30/halloween-trick-or-treat-on-main-street
Saturday, October 31, 2026, 6:00PM – 9:00PM
City of Artesia
Halloween Spooktacular & Trunk or Treat
Artesia Park
18750 Clarkdale Avenue, Artesia, CA 90701
https://www.cityofartesia.us/458/Halloween-Spooktacular-Trunk-or-Treat---
Saturday, October 31, 2026, 4:00PM – 6:00PM
City of Huntington Beach
Surf City Spooktacular
Downtown Huntington Beach on Main Street