Saturday, October 31, 2026

Halloween Celebrations Fill Pasadena and Altadena’s Saturday Calendar

Halloween celebrations across Pasadena and Altadena today, Saturday, Oct. 31 range from a soil-themed community festival and a party for toddlers to store-to-store trick-or-treating, live music and late-night dancing.

In Altadena, DENA Soil Project’s free Soil Remediation Halloween Fest is scheduled from 9 a.m. to 1 p.m. at 503 W. Terrace St., combining family activities with opportunities to learn about soil health. Organizers advertise a soil-microbe puppet show, a photo booth, free soil testing, plant and seed giveaways, and activities involving compost, worms and bioremediation. A live DJ, free lunch and light refreshments are also planned for the all-ages gathering.  For more information, click here.

Younger children have their own celebration at the Bob Lucas Memorial Library and Literacy Center, 2659 Lincoln Ave., where the Altadena Library District’s Baby & Toddler Halloween Party runs from 10:30 a.m. to 12:30 p.m. in the parking lot. Children ages 5 and younger and their caregivers are invited to participate in crafts and sensory activities, learn about the 1000 Books Before Kindergarten reading program and pick up goody bags while supplies last. For more information, click here.

In Pasadena, the afternoon’s activities include Old Pasadena’s store-to-store trick-or-treating from 4 to 8 p.m. along Colorado Boulevard and adjacent streets. The Old Pasadena Management District’s announcement identifies more than 100 participating businesses and directs families to look for orange Treat Stop signs in storefront windows; treats are available while supplies last. For more information, click here.

One Colorado, at 41 Hugus Alley, is offering its own Halloween Spooktacular from 4 to 8 p.m., with participating shops and restaurants distributing treats. Complimentary family photographs will be available from 4 to 7:45 p.m. on a first-come, first-served basis, and an ambient silent screening of “Practical Magic” begins at 7 p.m. in the courtyard. For more information, click here.

Animal lovers can visit Pasadena Humane’s Howl-O-Ween pop-up adoption event at Vroman’s Bookstore, 695 E. Colorado Blvd., from 11 a.m. to 2 p.m., when the organization’s Wiggle Waggle Waggin’ will bring adoptable pets to the bookstore. For more information, click here.

Today is also the final day of Pasadena Humane’s Trick or Treat adoption promotion, which offers $31 adoption fees for dogs 6 months and older, with support from Hill’s Pet Nutrition. Adoption hours at the shelter, 361 S. Raymond Ave., are 9:30 a.m. to 5:30 p.m., and no appointment is needed. For more information, click here.

Tonight, the Pasadena Ballroom Dance Association hosts a Halloween costume party featuring Ashley Anne & The Carnations at Grace Hall, 73 N. Hill Ave. A swing lesson included with admission runs from 7:30 to 8 p.m., followed by live-band dancing until 11 p.m.; the special-event admission price is $30. The association welcomes singles and couples of all ages and advertises costume prizes and free parking in the church lot. For more information, click here.

For adults seeking comedy, Home By 9 Comedy runs from 7:30 to 9 p.m. in the Ice House’s California Room, 24 N. Mentor Ave., with doors opening at 6:30 p.m. The advertised lineup includes Staci Lynn Fletcher, Jaylyn Bishop, Franchie and Dark Mark; admission is restricted to guests 21 and older, and a two-item minimum applies per showroom seat. The ticket listing shows $20 table seats plus a $1.50 service fee and an additional 3.25% credit-card processing charge; lineups are subject to change. For more information, click here.

Gold Bug, 38 E. Holly St., lists performances of “The Last Séance,” a theatrical experience organized by Mark Gibson, at 7, 8, 9 and 10 p.m. The approximately 45-minute performances are restricted to guests 18 and older, with admission advertised at $45 and advance reservations required. The multi-date ticket page displayed a sold-out notice when checked; availability for individual Halloween performances should be confirmed directly before visiting. For more information, click here.

Club 54’s Halloween party begins at 8 p.m. at 54 E. Colorado Blvd., with three dance floors, DJs and costumes encouraged. The event is for ages 21 and older and advertises an ending time of 2 a.m. Sunday, Nov. 1. Tickets are advertised as starting at $20 and increasing in price; an indexed ticket listing separately displays a starting amount of $23.18, so buyers should check the current checkout total. For more information, click here.

Ixtapa Cantina, 119 E. Colorado Blvd., also advertises a Halloween costume party, with doors opening at 9 p.m. and live DJ sets planned. Guests can call 626-304-1000 for reservations and should confirm current admission prices and age requirements with the venue. For more information, click here.

HALLOWSTREAM is advertised at The Coin, 755 E. Washington Blvd., with family activities during the day and an adults-only party at night. Its ticket page contains conflicting schedule and admission information, including a noon-to-11:30 p.m. event header and an 8 p.m.-to-4 a.m. nighttime schedule in the description; prospective attendees should confirm hours and pricing with the organizer before making plans. For more information, click here.

Families considering Kidspace Children’s Museum should note that the museum lists itself as closed today because of events at the Rose Bowl. For more information, click here.