California Halloween Events

San Luis Obispo Downtown Trick or Treat Trail

October 26, 2023, 5-8 p.m.

Farmer's Market
Higuera Street
San Luis Obispo, CA

Free, downtownslo.com

Held during Farmer's Market, participating merchants and vendors hand out treats to market-goers throughout the night. The trail map will be available. Merchants are advised to be prepared to distribute candy to approx. 1,000 trick or treaters.

Halloween Costume Contest 6:30-8 p.m. in Mission Plaza
Registration opens at 5 p.m.
The contest is free to enter!
Prizes will be awarded for the best costume in

  • ages 0-2 years
  • ages 3-4 years
  • ages 5-8 years
  • ages 9-12 years
  • groups, couples, etc., including parents, pets, and older children (pets are only allowed at the Costume Contest but not at the Market)

Scary-oke contest takes place  6-8 p.m. with Coast 104.5 officiating on Charro Street at Higuera

Boo Bash

October 27, 2023, 5-9 p.m.

Meadow Park
2333 Meadow
San Luis Obispo, CA 93401
Free. slocity.org - Please bring canned food donation

Join the Parks and Recreation Department for a family friendly costume party and haunted house. Youngsters (and their families) will enjoy food, games and activities, as well as partake in a spooky haunted park. All Boo Bash attendees are asked to bring a canned food to be donated to the Food Bank Coalition of SLO County. 

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Other holiday traditions include the annual Christmas Parade, Santa's Workshop and Tree Lighting Ceremony.

Events are not guaranteed. It is your responsibility to confirm before going.

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