5 Free Family-Friendly Halloween Events Around the Bay Area 🎃2025👻

Looking for something festive and free this Halloween weekend? From creative trunk-or-treats to family carnivals and spooky parades, here are five fun, completely free events across the Bay Area — perfect for families, friends, and even your pets!

1️⃣ Quail Run Fall Spooktacular & Trunk-or-Treat — San Ramon

📅 Friday, October 24 | 🕓 4:15 PM – 6:30 PM | 📍 Quail Run Elementary Parking Lot

Brought to you by the Quail Run PTA, this annual event returns with the beloved Trunk-or-Treat! Families decorate their car trunks with movie or character themes, hand out candy, and bring Halloween joy to the community. Kids can vote for their favorite trunks in categories like Most Creative, Best Character, Funniest, and Best Transformation. Winners receive gift cards!

👉 Note: Not a drop-off event — children must be accompanied by an adult.

2️⃣Monster Bash — Mountain View

📅 Saturday, October 25 | 🕙 10 AM – 2 PM | 📍 Rengstorff Park & Pool

A citywide Halloween festival featuring a Treat Trail, live music, stilt walkers, inflatable zones, and the “Lil Ghouls Corral” for toddlers. It’s bright, safe, and absolutely free — a must for South Bay families.

3️⃣Ghirardelli Spooky Square — San Francisco

📅 Saturday, October 25 | 🕐 1 PM – 4 PM | 📍 Ghirardelli Square

A waterfront Halloween celebration with a children’s costume parade, dog costume contest, magic shows, and free treats from local vendors. Great for a fun city day out!

4️⃣ Halloween Hootenanny 2025 — Berkeley

📅 Saturday, October 25 | 🕚 11 AM – 3 PM | 📍 Martin Luther King Jr. Civic Center Park, Berkeley

A lively outdoor festival in downtown Berkeley featuring live music, face painting, costume fun, pumpkins, and interactive booths — all free to enjoy!Families can bring kids in costumes to join games and community celebrations.

🚌 Tip: Take BART to Downtown Berkeley for easy parking and access.

5️⃣ FREE Halloween Event — San Jose

📅 Saturday & Sunday, October 25 & 26 | 🕛 12 PM – 6 PM | 📍 284 Barnard Ave, San Jose

A full-day family event with free trick-or-treating, a kids’ craft zone, bounce houses, and costume fun in South Bay!

Perfect for families looking for a festive yet budget-friendly outing this Halloween weekend. 🍬Bring a treat bag and your best costume for the photo booths!

🎟️ Free Ticket Required → Get Your Ticket Here

🎃 Whether you’re trick-or-treating in San Ramon, dancing in Berkeley, or playing in San Jose, the Bay Area is packed with free Halloween fun this weekend!