125 E Sylvestris Drive, San Geronimo, CA 94963

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$3,749,000

bedrooms

bathrooms

square feet

6,248

Acreage

10.79

Open Houses

year built

1996

Full Baths

Half Baths

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Get ready for State Rock Ranch, an epic 10+ acre luxury estate in West Marin's San Geronimo Valley, tucked among majestic Redwoods. This isn't just a home, it's a lifestyle, a legacy, a total game-changer. Off-grid ready with cutting-edge tech and private access to the Bay Area's premier trails. Key Features: Direct gate to Giacomini Preserve, Cascade Canyon, Hunt Camp Fire Road, and MMWD trails to Mount Tam. Solar-powered with 50+ panels, lead-acid batteries, dual propane generators, and barely-used PG&E 400 amp service. Self-sufficient with 3 wells, pressurized septic, Starlink, and Comcast. Private trails for hiking, biking, or horseback that tie into Marin's wild open spaces. Wildlife? Deer, hawks, coyotes, owls, even the occasional black bear. A serpentine-lined pond flaunts California's state rock and rare eco-vibes. The residence: 4 beds, 5 baths, 6200 sqft,flex two-level layout ideal for multigenerational living or VIP guests. Glass-wrapped living room with Roy's Redwoods views that'll stop you cold. Gourmet kitchen for culinary masterpieces. Theater room with sound that hits hard. EV-ready garage with pre-wired lifts for your car collection. Fresh upgrades: black-trim windows, refinished deck, spray foam roof, security. This is your shot at unmatched solitude!

Location
Subdivision	-
County	Marin
Elementary School	-
Middle School	-
High School	-

Driving directions

Open houses

None scheduled.

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MLS number: 325064435

Listing agent: Peter Maselli

Listing broker: Coldwell Banker Realty (707) 762-6611

Last update: Wednesday, July 16 2025 at 7:36 p.m. EDT

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