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For sale
  • Price cut: $260.1K (7/28)
    $3,488,888

    125 E Sylvestris Drive, San Geronimo, CA 94963

    4beds
    6,248sqft
    : 
    Single Family Residence
    Built in 1996
    10.79 Acres Lot
    $3,354,600 Zestimate®
    $558/sqft
    $-- HOA

    What's special

    Ev-ready garageTheater roomGourmet kitchenTucked among majestic redwoodsLuxury estateSerpentine-lined pondFlex two-level layout
    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!
    42 days
    on Zillow
    |
    911
    |
    33
    |

    Zillow last checked: 7 hours ago

    Listing updated: July 28, 2025 at 06:38am

    Listed by:

    Peter Maselli DRE #02054402 707-364-2391,

    Coldwell Banker Realty 707-762-6611

    Source: BAREIS,MLS#: 325064435MLS LogoOriginating MLS: Sonoma
    Travel times

    Tour with a buyer's agent

    We'll find a local expert to take you on a private tour of 125 E Sylvestris Drive.

    Next available tour time:Today at 3pm

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 4
    • Bathrooms: 5
    • Full bathrooms: 4
    • 1/2 bathrooms: 1
    Primary bedroom
    • Features: Closet, Sitting Area, Walk-In Closet 2+
    Bedroom
    • Level: Main
    Primary bathroom
    • Features: Double Vanity, Skylight/Solar Tube, Soaking Tub, Stone
    Bathroom
    • Level: Main
    Dining room
    • Level: Main
    Family room
    • Level: Main
    Kitchen
    • Features: Breakfast Area, Kitchen Island, Quartz Counter, Breakfast Nook
    • Level: Main
    Living room
    • Level: Main
    Heating
    • Radiant Floor
    Cooling
    • Other
    Appliances
    • Included: Dishwasher, Double Oven, Gas Cooktop, Gas Plumbed, Microwave, Dryer, Washer
    Features
    • Cathedral Ceiling(s)
    • Flooring: Tile
    • Windows: Skylight(s)
    • Has basement: No
    • Has fireplace: No
    Interior area
    • Total structure area: 6,248
    • Total interior livable area: 6,248 sqft

    Property

    Parking
    • Total spaces: 14
    • Parking features: Detached, See Remarks, Paved
    • Garage spaces: 4
    • Uncovered spaces: 10
    Features
    • Levels: Two
    • Stories: 2
    • Patio & porch: Front Porch, Deck
    • Exterior features: Balcony, Entry Gate
    • Has spa: Yes
    • Spa features: Private
    • Fencing: Gate
    • Has view: Yes
    • View description: Mountain(s), Panoramic, Valley
    Lot
    • Size: 10.79 Acres
    • Features: Landscape Front, Secluded
    Details
    • Parcel number: 16934102
    • Special conditions: Offer As Is

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Single Family Residence
    Materials
    • Roof: Elastomeric
    Condition
    • Year built: 1996

    Utilities & green energy

    • Electric: Battery Backup, 220 Volts, Off Grid
    • Gas: Propane Tank Owned
    • Sewer: Septic Tank
    • Water: Well
    • Utilities for property: Cable Available, Cable Connected, Electricity Connected, Propane, Public, Underground Utilities
    Green energy
    • Energy generation: Solar

    Community & HOA

    Community
    • Security: See Remarks
    HOA
    • Has HOA: No
    Location
    • Region: San Geronimo

    Financial & listing details

    • Price per square foot: $558/sqft
    • Tax assessed value: $2,226,337
    • Date on market: 7/15/2025
    • Electric utility on property: Yes
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