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Costume Events and Things to do in Windsor, CA

Halloween Costume Party: Freak or Treat!
Fri, Oct 30, 8:00 PM
Sacramento · 1431 Del Paso Blvd
Halloween Costume Party: Freak or Treat!
Fri, Oct 30, 8:00 PM
Sacramento · 1431 Del Paso Blvd
ZOMBIE PROM - The Widdler & More! Halloween Costume Ball
Today at 9:00 PM
San Francisco · The Great Northern
ZOMBIE PROM - The Widdler & More! Halloween Costume Ball
Today at 9:00 PM
San Francisco · The Great Northern
♥SILICON VALLEY’S LARGEST SINGLES HALLOWEEN COSTUME PARTY♥
Sat, Oct 31, 7:30 PM
Sunnyvale · Hilton Garden Inn Sunnyvale
♥SILICON VALLEY’S LARGEST SINGLES HALLOWEEN COSTUME PARTY♥
Sat, Oct 31, 7:30 PM
Sunnyvale · Hilton Garden Inn Sunnyvale
Steel Magnolias: Dolly Parton Tribute Screening with Costume Contest
Fri, Oct 30, 6:00 PM
San Francisco · Mechanics' Institute
Steel Magnolias: Dolly Parton Tribute Screening with Costume Contest
Fri, Oct 30, 6:00 PM
San Francisco · Mechanics' Institute
Sales end soon
Trunk or Treat @ The Quest in Novato Sunday 10/25
Sunday at 11:00 AM
Novato · The Quest
Sales end soon
Trunk or Treat @ The Quest in Novato Sunday 10/25
Sunday at 11:00 AM
Novato · The Quest
Sunset Sound System Halloween Costume Boat + After-Party 2026
Sunday at 5:00 PM
San Francisco · The Great Northern
Sunset Sound System Halloween Costume Boat + After-Party 2026
Sunday at 5:00 PM
San Francisco · The Great Northern
RETROWEEN w/ OZZY, Black Sabbath & KISS Tributes + Costume Contest & More!
Fri, Oct 30, 6:00 PM
Walnut Creek · Retro Junkie
RETROWEEN w/ OZZY, Black Sabbath & KISS Tributes + Costume Contest & More!
Fri, Oct 30, 6:00 PM
Walnut Creek · Retro Junkie
San Rafael Halloween Dance Party - featuring "Pop Fiction"
Sat, Oct 31, 7:00 PM
San Rafael · San Rafael Elks Lodge
San Rafael Halloween Dance Party - featuring "Pop Fiction"
Sat, Oct 31, 7:00 PM
San Rafael · San Rafael Elks Lodge
Camp Scrap: Upcycled Halloween Costumes | Niles District
Tuesday at 6:30 PM
Fremont · Cassa Jam
Camp Scrap: Upcycled Halloween Costumes | Niles District
Tuesday at 6:30 PM
Fremont · Cassa Jam
Costumes + Crushes Speed Dating + Mixer | Singles Ages 25-55
Fri, Oct 30, 7:00 PM
Dublin · Aloft by Marriott Dublin-Pleasanton
Costumes + Crushes Speed Dating + Mixer | Singles Ages 25-55
Fri, Oct 30, 7:00 PM
Dublin · Aloft by Marriott Dublin-Pleasanton
On the Roof Presents: Hallo-Wildin'
Sat, Oct 31, 5:00 PM
San Rafael · AC Hotel San Rafael Downtown
On the Roof Presents: Hallo-Wildin'
Sat, Oct 31, 5:00 PM
San Rafael · AC Hotel San Rafael Downtown
Just added
Halloween Costume Party
Sat, Oct 31, 9:00 PM
Oakland · Sweet Fingers Jamaican Restaurant and Bar
Just added
Halloween Costume Party
Sat, Oct 31, 9:00 PM
Oakland · Sweet Fingers Jamaican Restaurant and Bar
Almost full
Read-to-a-Princess: Costume Party
Sunday at 11:00 AM
Berkeley · Mr.Mopps Children's Books
Almost full
Read-to-a-Princess: Costume Party
Sunday at 11:00 AM
Berkeley · Mr.Mopps Children's Books
Siren Gallery at Starfish Arts Costume Party
Thu, Oct 29, 6:00 PM
Berkeley · Starfish Arts
Siren Gallery at Starfish Arts Costume Party
Thu, Oct 29, 6:00 PM
Berkeley · Starfish Arts
Sales end soon
Halloween Bel Hannah Sawa: Belly Dance Tea Party
Sunday at 3:00 PM
San Rafael · The Belrose
Sales end soon
Halloween Bel Hannah Sawa: Belly Dance Tea Party
Sunday at 3:00 PM
San Rafael · The Belrose
Vertigo Halloween: Raleigh's Biggest Costume Party
Sat, Oct 31, 8:00 PM
Raleigh · Tap Yard Raleigh
Vertigo Halloween: Raleigh's Biggest Costume Party
Sat, Oct 31, 8:00 PM
Raleigh · Tap Yard Raleigh
LanaaBadd’s Halloween Bash
Thu, Oct 29, 8:00 PM
Vallejo · Noble Cinema Studios
LanaaBadd’s Halloween Bash
Thu, Oct 29, 8:00 PM
Vallejo · Noble Cinema Studios
Halloween Party and Costume Contest.
Sat, Oct 31, 11:00 AM
Berkeley · 2414 Sixth St
Halloween Party and Costume Contest.
Sat, Oct 31, 11:00 AM
Berkeley · 2414 Sixth St
Sales end soon
NIGHT OF THE LIVING PLANTS: Halloween Plant Bingo at Dave & Buster's
Tomorrow at 3:00 PM
Fairfield · Dave & Buster's Fairfield
Sales end soon
NIGHT OF THE LIVING PLANTS: Halloween Plant Bingo at Dave & Buster's
Tomorrow at 3:00 PM
Fairfield · Dave & Buster's Fairfield
Halloween Pilates
Sat, Oct 31, 10:30 AM
San Rafael · 615 B St
Halloween Pilates
Sat, Oct 31, 10:30 AM
San Rafael · 615 B St

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