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    • $2,999,999

    125 E Sylvestris Drive, San Geronimo, CA 94963

    4beds
    6,248sqft
    : 
    $20,803/mo
    Get pre-qualified
    Single Family Residence
    Built in 1996
    10.79 Acres Lot
    $2,915,400 Zestimate®
    $480/sqft
    $-- HOA

    What's special

    Theater roomGourmet kitchenTucked among towering redwoodsSpray foam roofRefinished deckBlack-trim windows
    Get ready for State Rock Ranch, an epic 10+ acre luxury estate in West Marin's San Geronimo Valley, tucked among towering redwoods. This isn't just a home, it's a lifestyle, a legacy, a total game-changer. Comprised of two parcels, this offering presents a rare opportunity to build a second residence and create a true private compound in one of Marin's most serene settings. Direct gate access to Giacomini Preserve, Cascade Canyon, Hunt Camp Fire Road, and MMWD trails leading to Mount Tam. Off-grid ready with 50+ solar panels, lead-acid batteries, dual propane generators, and lightly used PG&E 400 amp service. Fully self-sufficient with 3 wells, pressurized septic, Starlink, and Comcast. Private trails wind through the property, connecting to Marin's vast open space. Wildlife is abundant with deer, hawks, owls, coyotes, and more.A serpentine lined pond showcases California's state rock and unique natural beauty.The residence offers 4 beds, 5 baths, including 6,200 sq ft of living space with a flexible two-level layout ideal for multigenerational living or guests. Highlights include a glass-wrapped living room with stunning views of Roy's Redwoods, gourmet kitchen, theater room, and EV-ready garage with pre-wired lifts. Recent upgrades include black-trim windows, refinished deck, spray foam roof, and enhanced security.A rare chance to own unmatched privacy with expansion potential.
    98 days
    |
    956
    |
    37
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Peter Maselli DRE #02054402 707-364-2391,

    Coldwell Banker Realty 707-762-6611,

    Simon Raya DRE #01924065 707-326-1117,

    Coldwell Banker Realty

    Source: BAREIS,MLS#: 326033463MLS LogoOriginating MLS: Sonoma

      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+
      • Level: Main
      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)
      • Basement: Partial
      • Has fireplace: No
      Interior area
      • Total structure area: 6,248
      • Total interior livable area: 6,248 sqft
      Video & virtual tour

      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
      • 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
      • Architectural style: Contemporary,Mediterranean
      • Property subtype: Single Family Residence
      Materials
      • Metal, Stucco
      • Foundation: Raised
      • Roof: Elastomeric,Foam
      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: $480/sqft
      • Tax assessed value: $2,226,337
      • Annual tax amount: $26,930
      • Date on market: 4/30/2026
      • Electric utility on property: Yes

        Estimated market value

        $2,915,400

        $2.77M - $3.06M

        $7,772/mo

        Price history

        DateEventPrice
        5/1/2026Listed for sale$2,999,999-14%$480/sqft
        Source: BAREIS #326033463 Report a problem
        9/26/2025Listing removed$3,488,888$558/sqft
        Source: BAREIS #325064435 Report a problem
        7/28/2025Price change$3,488,888-6.9%$558/sqft
        Source: BAREIS #325064435 Report a problem
        7/15/2025Listed for sale$3,749,000$600/sqft
        Source: BAREIS #325064435 Report a problem
        7/5/2025Listing removed$3,749,000$600/sqft
        Source: BAREIS #325035641 Report a problem
        6/1/2025Price change$3,749,000-11.8%$600/sqft
        Source: BAREIS #325035641 Report a problem
        5/7/2025Listed for sale$4,250,000+102.4%$680/sqft
        Source: BAREIS #325035641 Report a problem
        5/14/2019Sold$2,100,000-4.5%$336/sqft
        Source: Public Record Report a problem
        4/29/2019Pending sale$2,200,000$352/sqft
        Source: McGuire Real Estate #21906774 Report a problem
        4/18/2019Listed for sale$2,200,000+27.5%$352/sqft
        Source: McGuire Real Estate #21906774 Report a problem
        1/1/2012Listing removed$1,725,000$276/sqft
        Source: Frank Howard Allen Report a problem
        11/27/2011Listed for sale$1,725,000$276/sqft
        Source: Frank Howard Allen Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$26,930 +5.6%$2,226,337 +3.8%
        2024$25,499 +3.3%$2,145,237 +3.9%
        2023$24,684 +2%$2,063,965 +2%
        2022$24,203 +1.5%$2,023,502 +2%
        2021$23,837 -7.6%$1,983,828 -7.4%
        2020$25,795 +37.6%$2,142,000 +37.1%
        2019$18,746 +1.3%$1,562,201 +2%
        2018$18,503 +4.1%$1,531,577 +2%
        2017$17,767 +1.2%$1,501,547 +2%
        2016$17,563 -0.1%$1,472,112 +1.5%
        2015$17,579 +1.6%$1,450,000 +0.3%
        2014$17,296 $1,445,171 +0.5%
        2013-- $1,438,641 +8%
        2012-- $1,332,688 +0.4%
        2011-- $1,326,852 +0.2%
        2010-- $1,324,671 -0.1%
        2009-- $1,325,360 +0.4%
        2008-- $1,319,669 +0.4%
        2007-- $1,314,087 +15.4%
        2006-- $1,138,616 +13.9%
        2005-- $999,252 +0.5%
        2004-- $993,994 +0.4%
        2003-- $989,776 +0.5%
        2002-- $984,714 +6.7%
        2001-- $923,153
        Find assessor info on the county website

        Monthly payment

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        Payment breakdown

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        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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        Climate risks

        Neighborhood: 94963

        Getting around

        2 / 100
        Car-Dependent
        13 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

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