Downtown San Rafael Trick-or-Treat – Trick-or-treat at participating stores, get free candy bags and enjoy live music. Sat., Oct. 27. 1-3pm. FREE. Fourth Street. 415-849-1874.
Fairfax Halloween Parade – Kids and their families show off their costumes. Shops will pass out treats and the Chamber of Commerce will hand out neon glow necklaces. Prizes will be awarded for best costumes. Wed., Oct. 31. Meet at 4:30pm at Fairfax Theatre, parade begins at 5pm. Gathering at park at 6pm. FREE. The parade winds along Broadway and then Bolinas Road, ending at the Haunted Grove in Bolinas Park. 415-458-2340.
Goblin Jamboree – This year’s annual celebration is inspired by Wild West ghost towns. The event includes pony rides, train rides, farm animals, hay maze, face painting, a spinning pumpkin ride and more. Sat., Oct. 20-Sun., Oct. 21. 10am-4pm. $17.95. Bay Area Discovery Museum, Fort Baker, 557 McReynolds Road, Sausalito. 415-339-3900.
Jeepers Jack-o-Lanterns – Join rangers in carving your own spooky jack-o-lanterns for Halloween. A limited number of pumpkins will be available on a first-come, first-served basis. Sat., Oct. 27. 11am-1pm. FREE. Paradise Beach Park, 3450 Paradise Drive, Tiburon. 415-473-6387.
Town Center Corte Madera Trick-or-Treat – Kids can trick-or-treat at local merchants and get a balloon. Sun., Oct. 28. 12-3pm. FREE. 100 Corte Madera Town Center. 415-924-2961.
Halloween Hoopla – This concert features interactive performances and games for children under 10 and their adults, a costume parade and a pumpkin patch display. Sun., Oct. 28. 12-2pm. FREE. Children’s Garden, Yerba Buena Gardens, 799 Howard St. 415-543-1718.
Halloween Storytime – Kids ages 3-5 dress in costume and trick-or-treat at the library. There will also be stories, songs, fingerplays and more. Tue., Oct. 30. 11-11:30am. FREE. Visitacion Valley Branch Library, 201 Leland Ave. 415-355-2848.
Lantern Walk: In the Footsteps of Spirits – Mingle by lantern light with legendary spirits as musical storyteller Jill Tracy leads you on a nighttime stroll to legendary haunted spots. Thu., Oct. 25. Tour departs 7pm sharp (no latecomers). FREE but advance registration required online. Presidio Main Post, Montgomery Street. 415-561-5300.
Scaregrove – This annual festival typically features a costume parade, carnival rides, a haunted house, hay rides and live entertainment. Fri., Oct. 26. 3-9pm. Call for prices. Stern Grove, 19th Avenue and Sloat Boulevard. 415-831-6330.
Supernatural – Festivities include trick-or-treating, silent disco in the Steinhart Aquarium, dancing, face painting, magic shows, live animal shows, giant pumpkin carving, crafts, food and drink and photo booths. Sat., Oct. 27. 6:30-9pm. $55 adults, $40 under 18. California Academy of Sciences, Golden Gate Park, 55 Music Concourse Drive. 415-379-8000.
Halloween Haunted Hangar – Join a flying witch for a celebration of flight and fright. Come in costume and play creepy carnival games to earn prizes. Watch the witch fly up in a helicopter and splat a pumpkin below. Sun., Oct. 28. 10am-12pm. Included with admission: $18 adults, $11 youths 5-17, under 5 FREE. Hiller Aviation Museum, 601 Skyway Road, San Carlos. 650-654-0200.
Halloween Hoopla Parade and Trick-or-Treat – Come in costume and trick-or-treat downtown at participating stores. Then head to Fremont Park for carnival games, crafts and a magic show. Sat., Oct. 27. 11am-2pm. FREE. Fremont Park, Santa Cruz Avenue at University Drive, Menlo Park. 650-330-6600.
South San Francisco Main Library Trick-or-Treat – Come dressed in costume and knock on doors to get candy. There will be spooky music, activities and more. Sat., Oct. 27. 2-4pm. FREE. 840 W. Orange Ave. 650-829-3860.
The VIBE Halloween Festival – Kids in preschool through fifth grade and their families can attend this spooktacular event. There will be arts and crafts, a costume contest, games and a haunted house. Sat., Oct. 27. 11am-2pm. $3, under 3 FREE. The VIBE Teen Center, 670 Shell Blvd., Foster City. 650-286-3254.
Filoli’s Halloween Unmasked – NorCal Bats and the San Francisco ZooMobile will introduce you to the creepy crawly creatures that you can only see in the evenings or that hide in the daytime shadows. Get in the spirit of Halloween with pumpkin-carving demonstrations, mask making and skeleton walks on the Nature Preserve. Sun., Oct. 21. 10am-5pm. $11-22; 5 and under FREE. 86 Cañada Road, Woodside.
Gamble Garden Halloween Magic – A magic show, spooky potions, pumpkins, ghoulish arts and crafts. Sat., Oct. 6. 10:30-11:30am. $35. 1431 Waverley St., Palo Alto.
Gilroy Gardens Halloween at Night – Discover a new kind of magical, mystical Halloween adventure this fall. Ages 3 and up. Through Oct. 28. 3050 Hecker Pass Highway. 7-10pm.
Halloween Hoopla Parade and Trick-or-Treat – Come in costume and trick or treat downtown at participating stores. Then head to Fremont Park for carnival games, crafts and a magic show. Sat., Oct. 27. 11am-2pm. FREE. Fremont Park, Santa Cruz Avenue at University Drive, Menlo Park.
Haunt History Park – This scare-free annual event has become a tradition, with trick-or-treating, family-friendly events and arts and crafts activities. Trolley and hand car rides, games and crafts, and other family activities. Sun., Oct. 28. 11am-4pm. FREE. History Park, 1650 Senter Road, San Jose.
Hidden Villa Halloween Party – Travel a trail of weird and wacky characters to an old-fashioned farm party and a magic show. Costumes encouraged. Registration required. Oct.26-27. 6-9pm. $25. 26870 Moody Road, Los Altos Hills.
Santana Row Halloween Family Fun Fest – No tricks, just treats! Features trick-or-treating on The Row, pumpkin decorating, keepsake photos and more. Guests are encouraged to wear costumes. Tue., Oct. 30. 10am-12pm. FREE. Park Valencia, 3055 Olin Ave., San Jose.
Thomas and Percy's Halloween Party – Percy will join Thomas the Tank Engine on the rails for a Halloween party of family activities. Weekends Oct. 13-28. 10:30am-4:30pm. $21-25. Roaring Camp Railroads, 5401 Graham Hill Drive, Felton.
Zombie Crawl – Adira Dance and Costume in San Jose will organize a Zombie Crawl in Downtown Campbell featuring multiple performances of Michael Jackson’s “Thriller” dance. Fri., Oct. 26. 7-9pm. FREE.
Boo at the Zoo – Come to the Oakland Zoo's annual Halloween event to join the costume parade, ride the spooky boo train, get your face painted, collect yummy treats, make treats for the animals and see how they celebrate Halloween. Oct. 27-28. 10am-3pm. $24 ages 16-64, $20 ages 2-14 and seniors, members and under 2 FREE. 9777 Golf Links Road. 510-632-9525. .
Jack o’Lantern Jamboree – Put on a costume and head to Children's Fairyland for a spooktacular extravaganza with parades, treat stations for kids, pirate school, special performances and more. Oct. 27-28. 10am-5pm. $5-10. 699 Bellevue Ave., Oakland. 510-238-6876..
Contra Costa County
Children's Costume Parade – Characters and creatures of all ages can join this 25-year tradition led by Sparky the Fire Dog and followed by safe trick-or-treating along the parade route with other kids’ activities. Sat., Oct. 20. 10am. FREE. Starts at 300 Hartz Ave., Danville, and goes north to Diablo Road. 925-837-4400.
CoCo Style Spooktacular – Attend a ghoulish celebration with face painting, trick-or-treating and other fall fun for ages 1-9. Preregister online (no walk-ins). Thu., Oct. 25. 4-5:30pm and 6-7:30pm. $6-7. Danville Community Center, 420 Front St. 925-314-3400. .
Trick or Treat – Goblins, superheroes, princesses and witches are invited grab their favorite candy bags and creep through downtown Walnut Creek to collect Halloween treats from participating businesses. Fri., Oct. 26. 2-5pm. FREE. Start at the Lesher Center for the Arts, Civic Drive, Walnut Creek. 925-933-6778. walnutcreekdowntown.com/event/259-trick-or-treat-in-downtown-walnut-creek.