Halloween Costume Contests in Riverside 2026

Explore The Best Of Pumpkin Costume Parties & Events in Riverside

EMO PROM - HALLOWEEN SPECIAL- 10/02

 THE HIDEAWAY CAFE & LOUNGE 2 Oct 2026
USD 10 TO 15

SKALLOWEEN! w/ Raskahuele, Matamoska, Enjoiska. & Raztecalii

 The Concert Lounge - Romano's Mission Grove 2 Oct 2026
USD 25 TO 53

Pawlished Paws Howl’O Ween Pet Costume Contest at Canyon Crest

 5225 Canyon Crest Dr., Ste 63, Riverside, CA 17 Oct 2026

HALLOWEEN COSTUME PARTY w/ The Cure Tribute By The Curse!

 The Concert Lounge - Romano's Mission Grove 30 Oct 2026
USD 20 TO 47

Mad Science Workshop: Make Cauldron Bath Bomb, Spooky Soap & Potion AGE 5+

 Frenchie's Flowers 10 Oct 2026
USD 12 TO 40

Halloween party at The Hideaway Riverside!

 The Hideaway Cafe & Lounge 31 Oct 2026
USD 13