The Complete Guide to Halloween & Fall Fun in Marin & Sonoma County (2025)

Halloween & Fall Fun in Marin & Sonoma County

The crisp mornings, golden vineyards, and pumpkin-spiced everything can only mean one thing: fall is here in Sonoma and Marin! Whether your family is in it for the hayrides, corn mazes, haunted houses, or just the simple joy of picking the perfect pumpkin, our community has it all.

We’ve rounded up a complete list of the best local pumpkin patches and fall festivities happening this season — with updated hours and details — so you can make the most of autumn in Wine Country.

🎃 Marin County Pumpkin Patches

Nicasio Valley Pumpkin Patch (Nicasio)

• Open: September 26 – October 31, 2025

• Hours: Weekdays 10 am–4 pm, Weekends 10 am–6 pm

• Highlights: Organic pumpkins, hay maze, hayrides, farm animals, BBQ, and a children’s costume contest.

Grossi Family Farm Pumpkin Patch (Novato)

• Open: September 27 – October 31, 2025

• Hours: Wed–Fri 12–5:30 pm; Sat–Sun 10 am–5:30 pm (Closed Mon–Tue)

• Highlights: Pumpkin picking, petting zoo, hay maze, picnic areas, pumpkin slingshot, and food trucks on weekends.

• Admission: $5 weekends (ages 2+), free Wed–Fri.

Marin Country Mart Honor System Patch (Larkspur)

• Open: All October, daily

• Highlights: Self-serve stand with locally grown pumpkins of all shapes and sizes.

🎃 Sonoma County Pumpkin Patches

Pronzini Farms Pumpkin Patch (Petaluma)

• Open: September 27 – October 31, 2025

• Hours: Mon–Thu 11 am–6 pm; Fri–Sun 10 am–6:30 pm; Halloween 11 am–4 pm

• Highlights: U-pick pumpkins, Haunted Village, farm animals, BBQ, games, kettle corn.

• Admission: Weekdays $5 adults, kids free; Weekends $10 adults, $5 kids.

Petaluma Pumpkin Patch & Amazing Corn Maze (Petaluma)

• Open: September 19 – October 31, 2025

• Hours: Sun–Thu 10 am–6 pm; Fri–Sat 10 am–10 pm

• Highlights: 50+ pumpkin varieties, pony rides, 4-acre corn maze (day + night).

• Admission: Corn maze $8; Night Maze Fri–Sat $12. Kids 5 & under free.

Mickelson Pumpkin Patch (Petaluma)

• Open: September 20 – November 2, 2025

• Hours: Sun–Thu 9 am–8 pm; Fri–Sat 9 am–10 pm

• Highlights: Pumpkins, hay maze, tractor rides, apple cannon, live music, craft beer, food vendors.

• Admission: Free Mon–Fri, $3 Sat–Sun.

Santa Rosa Pumpkin Patch (Santa Rosa)

• Open: September 28 – October 31, 2025

• Hours: Wed–Fri 12–6 pm; Sat–Sun 10 am–6 pm

• Highlights: 8-acre corn maze (with lookout bridge), pumpkin slingshot, hayrides, farm animals.

• Admission: Corn maze $10–$15 depending on age; pumpkins priced by size.

Healdsburg Pumpkin Patch at The Patch (Healdsburg)

• Open: October 1 – 31, 2025

• Hours: Daily 10 am–6 pm

• Highlights: Family-run farm with pumpkins, hay bales, photo ops, and kids’ games.

Grandma’s Pumpkin Patch (Healdsburg)

• Open: October 1 – 31, 2025

• Hours: Daily 10 am–6 pm

• Highlights: Mini petting zoo, hay bale maze, kid-sized corn maze, pumpkin house.

Muelrath Ranches Pumpkin Patch (Santa Rosa)

• Open: October 1 – 31, 2025

• Hours: Fri 12–6 pm; Sat–Sun 10 am–6 pm

• Highlights: U-pick pumpkins, pumpkin house, hayrides, farm stand.

Tolay Fall Festival (Petaluma)

• Dates: October 12–13 and October 19–20, 2025

• Hours: 11 am–5 pm

• Highlights: Historic working farm, Native American village displays, hayrides, pumpkin seed-spitting contests, giant hay maze.

Lavender Bee Farm Pumpkin Patch (Petaluma)

• Open: October weekends only

• Highlights: Family-friendly u-pick patch, lavender farm tours, bee education.

🍁 Fall Festivals & Family Events

All listings below were confirmed on official event pages as of October 1, 2025. Always check the organizer’s page before heading out in case of last-minute changes due to weather or other factors.

🎃 Sonoma County

Sonoma County Harvest Fair — Family Day
📍 Sonoma County Fairgrounds, Santa Rosa
🗓 Saturday, October 11, 2025 • 10:00 AM–6:00 PM
🌻 Exhibits, kids’ activities, food, and more.

Healdsburg Crush (Pouring on the Plaza)
📍 Healdsburg Plaza
🗓 Sunday, October 12, 2025 • VIP 12:00–1:00 PM; GA 1:00–4:00 PM
🍷 Wine tasting fundraiser featuring Pinot, Chardonnay, and Sparkling.

Windsor Trick-or-Treat Trail
📍 Keiser Park, Windsor
🗓 Saturday, October 18, 2025 • 12:00–4:00 PM
🍭 Trick-or-treat trail, games, and community booths.

Santa Rosa Fall Fun Fest
📍 Old Courthouse Square, Santa Rosa
🗓 Friday, October 24, 2025 • 5:00–8:00 PM
🎉 Games, trick-or-treat booths, and family fun.

FUNtazmagoria — Children’s Museum of Sonoma County
📍 Santa Rosa
🗓 Friday–Sunday, October 24–26, 2025 • 4:00–8:00 PM daily
🌟 Not-so-scary Halloween fun for kids.

Healdsburg Farmers’ Market Pumpkin Festival & Costume Contest
📍 West Plaza Parking Lot, Healdsburg
🗓 Saturday, October 25, 2025 • 8:30 AM–12:00 PM
🎃 Pumpkin carving, races, and costume contests.

Halloween at Howarth Park (19th Annual)
📍 630 Summerfield Rd, Santa Rosa
🗓 Saturday, October 25, 2025 • 11:30 AM–3:00 PM
🚂 Trick-or-treat stations, train & carousel rides, pony rides.

Petaluma Downtown Trick-or-Treat Trail
📍 Downtown Petaluma
🗓 Friday, October 31, 2025 • 3:00–5:30 PM
👻 Trick-or-treating at participating merchants.

Cloverdale Downtown Trick-or-Treat
📍 Downtown Cloverdale
🗓 Friday, October 31, 2025 • 4:00–6:00 PM
🍬 Merchants hand out candy to families in costume.

🎃 Marin County

Goblin Jamboree — Bay Area Discovery Museum (Sausalito)
📍 Bay Area Discovery Museum
🗓 Weekend 1: Sat, Oct 18 (10:30 AM–4:00 PM) & Sun, Oct 19 (9:00 AM–3:00 PM)
🗓 Weekend 2: Fri–Sun, Oct 24–26 (9:00 AM–3:00 PM)
🎪 Beloved family fundraiser with hay maze, entertainment, and hands-on activities.

Halloween at the Center — Trunk-or-Treat + Magic Show (Mill Valley)
📍 Mill Valley Community Center
🗓 Friday, October 24, 2025
🚗 Trunk-or-Treat 4:00–6:00 PM • 🎩 Magic Show 6:00–7:00 PM

Goblins’ BOOtacular (San Anselmo)
📍 Downtown San Anselmo
🗓 Friday, October 24, 2025 • 5:00–7:00 PM
🎃 Merchant trick-or-treating for kids 11 & under.

Bon Air Halloween Bash (Greenbrae)
📍 Bon Air, Greenbrae
🗓 Saturday, October 25, 2025 • 11:00 AM–2:00 PM
🎉 Trick-or-treating, music, and kids’ activities.

Downtown Novato Safe Trick-or-Treat
📍 Grant Avenue, Novato
🗓 Saturday, October 25, 2025 • 11:00 AM–2:00 PM
🍬 Safe trick-or-treating at local businesses.

Trick-or-Treat on Fourth + Pet Costume Contest (San Rafael)
📍 Fourth Street, San Rafael
🗓 Saturday, October 25, 2025 • 1:00–3:00 PM (Pet contest ~2:00 PM)
🐾 Family trick-or-treating and pet costume parade.

Town Center Trick-or-Treat (Corte Madera)
📍 Town Center Corte Madera
🗓 Sunday, October 26, 2025 • 12:00–4:00 PM
👻 Halloween fun at the shopping center.

Marin Country Mart Halloween Festival (Larkspur)
📍 Marin Country Mart
🗓 Friday, October 31, 2025 • 4:00–7:00 PM
🎃 Trick-or-treating, games, and live entertainment.

Halloween Sausalito
📍 Sausalito
🗓 Friday, October 31, 2025 • 11:30 AM–7:30 PM
🎉 Parade, haunted house, and community celebrations.

Día de los Muertos — San Rafael
📍 Albert J. Boro Community Center (Pickleweed Park)
🗓 Saturday, November 1, 2025 • 3:00–9:00 PM
🌺 Procession, altars, music, and art.

🍂 Wrap-Up

With pumpkin patches, corn mazes, and now a full line-up of fall festivals, Sonoma and Marin are brimming with seasonal magic this year. Make your plans, support our incredible local farms and businesses, and enjoy every autumn moment with your family.

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Note: All hours, dates, and admission details are confirmed as of publication. Please check each event’s website before attending, as schedules may change.