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Trunk or Treat & Halloween Events in Thousand Oaks, CA

Top Halloween picks in and around Thousand Oaks: Reign of Terror Haunted House and Six Flags Fright Fest at Magic Mountain. We've mapped 1 event and attraction in Thousand Oaks and 1 more nearby (2 haunted houses). Tap any listing for dates, times and directions.

Updated Nov 12, 2026

Reign of Terror Haunted House

Haunted house · Thousand Oaks, CA · 2026: general admission from $39.99

2027 dates TBA Very scary

Near Thousand Oaks (within 25 miles)

Six Flags Fright Fest at Magic Mountain

Haunted house · Valencia, CA · 2026: Haunted Attractions Pass $25 one night or $69 season, plus park admission

2027 dates TBA Spooky

23 mi

Tap + Route on a few stops to get one driving route you can send to your phone (how it works). Hosting a trunk-or-treat in Thousand Oaks? Add it free.

Halloween in Thousand Oaks: common questions

Are there trunk-or-treats in Thousand Oaks?

None are mapped in Thousand Oaks yet. Churches, schools and towns usually announce trunk-or-treats in late September and October. If you're hosting one, add it free and families will find it here.

What are the best haunted houses near Thousand Oaks?

Haunted attractions near Thousand Oaks include Reign of Terror Haunted House (2026: general admission from $39.99) and Six Flags Fright Fest at Magic Mountain (2026: Haunted Attractions Pass $25 one night or $69 season, plus park admission). Most open on weekends from late September and run nightly the week of Halloween. Buying timed tickets online usually means a shorter line.

Hosting a trunk-or-treat in Thousand Oaks?

Churches, schools, neighborhoods, fire departments and businesses can list a trunk-or-treat or Halloween event for free. Families find it on the map with the date, time and directions.

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