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Active under contract
  • Price cut: $60K (6/25)
    $1,435,000

    18900 Armstrong Woods Road, Guerneville, CA 95446

    1beds
    768sqft
    : 
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    Single Family Residence
    Built in 2003
    120 Acres Lot
    $1,348,800 Zestimate®
    $1,868/sqft
    $-- HOA

    What's special

    Extensive forest trailsPremier view build siteGlass-walled pavilion guest residencePavilion guest residenceSecluded roadEstablished irrigation systemGated approach
    A Private Redwood Botanical Estate Set beyond a gated approach at the end of a secluded road, this remarkable offering combines a pavilion guest residence, a globally sourced conifer collection, extensive forest trails, and a premier view estate building opportunity within a serene redwood landscape. The property unfolds within the Crombie Arboretum, a privately established and curated collection of rare, wild-origin conifers sourced from around the world. Developed over more than two decades and thoughtfully supported through its early years, the collection now stands as a mature and thriving botanical environment representing species from every continent where conifers naturally occur. A charming glass-walled pavilion guest residence is positioned within the landscape, offering an immediate connection to nature and a peaceful retreat immersed in forest surroundings. Extensive trails, maintained over decades, wind throughout the property beneath towering redwoods and mixed forest, inviting exploration and quiet reflection. An established irrigation system initially supported the curated plantings and ongoing stewardship of the land. In addition to the guest residence, the property features a premier view build site, offering the opportunity to design and create a legacy estate within this extraordinary natural setting. Access is provided via a private road through a protected forest corridor. Located just minutes from Guerneville and the Russian River, yet offering a profound sense of privacy and stillness, this is a rare offering where botanical significance, seclusion, and long-term vision come together. Shown by appointment ONLY.
    98 days
    |
    859
    |
    67
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Todd Sheppard DRE #01314350 707-235-6870,

    Sotheby's International Realty 707-935-2288,

    Martin W Humphrey DRE #00218532 707-480-4803,

    Healdsburg Sotheby's Internati

    Source: BAREIS,MLS#: 326024933MLS LogoOriginating MLS: Sonoma

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 1
      • Bathrooms: 1
      • Full bathrooms: 1
      Rooms
      • Room types: Studio
      Kitchen
      • Level: Main
      Heating
      • Radiant
      Cooling
      • None
      Appliances
      • Included: Free-Standing Gas Oven, Free-Standing Refrigerator, Gas Water Heater, Microwave, Washer/Dryer Stacked
      Features
      • Flooring: Tile
      • Basement: None
      • Has fireplace: No
      Interior area
      • Total structure area: 768
      • Total interior livable area: 768 sqft

      Property

      Parking
      • Total spaces: 6
      • Parking features: No Garage, Uncovered Parking Spaces 2+, Gravel
      • Uncovered spaces: 6
      Features
      • Levels: One
      • Stories: 1
      • Has view: Yes
      • View description: Forest, Hills, Trees/Woods
      Lot
      • Size: 120 Acres
      • Features: Dead End, Other
      Details
      • Parcel number: 069030029000
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Chalet
      • Property subtype: Single Family Residence
      Materials
      • Wood, Other
      • Foundation: Slab
      • Roof: Cement,Tile
      Condition
      • Year built: 2003

      Utilities & green energy

      • Sewer: Septic Connected, Septic Tank
      • Water: Private, Well
      • Utilities for property: Natural Gas Available, Natural Gas Connected, Public

      Community & HOA

      Community
      • Security: Secured Access
      HOA
      • Has HOA: No
      Location
      • Region: Guerneville

      Financial & listing details

      • Price per square foot: $1,868/sqft
      • Tax assessed value: $1,502,303
      • Annual tax amount: $17,113
      • Date on market: 3/25/2026

        Estimated market value

        $1,348,800

        $1.28M - $1.42M

        $2,199/mo

        Price history

        DateEventPrice
        7/7/2026Pending sale$1,435,000$1,868/sqft
        Source: BAREIS #326024933 Report a problem
        6/25/2026Price change$1,435,000-4%$1,868/sqft
        Source: BAREIS #326024933 Report a problem
        4/2/2026Listed for sale$1,495,000+19.6%$1,947/sqft
        Source: BAREIS #326024933 Report a problem
        3/30/2015Listing removed$1,250,000$1,628/sqft
        Source: Artisan Sotheby's Int'l Realty - Sebastopol Report a problem
        3/29/2015Listed for sale$1,250,000$1,628/sqft
        Source: Artisan Sotheby's Int'l Realty - Sebastopol Report a problem
        3/6/2015Sold$1,250,000-16.7%$1,628/sqft
        Source: BAREIS #21400126 Report a problem
        3/5/2015Listed for sale$1,500,000$1,953/sqft
        Source: Healdsburg Sotheby's International Realty #21400126 Report a problem
        10/4/2014Listing removed$1,500,000$1,953/sqft
        Source: Healdsburg Sotheby's International Realty #21400126 Report a problem
        5/28/2014Price change$1,500,000-11.8%$1,953/sqft
        Source: Healdsburg Sotheby's International Realty #21400126 Report a problem
        1/7/2014Listed for sale$1,700,000+243.4%$2,214/sqft
        Source: Healdsburg Sotheby's International Realty #21400126 Report a problem
        5/15/2001Sold$495,000$645/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$17,113 +1.8%$1,502,303 +2%
        2024$16,813 +2%$1,472,847 +2%
        2023$16,482 +1.8%$1,443,969 +2%
        2022$16,185 +0.9%$1,415,657 +2%
        2021$16,047 +0.3%$1,387,900 +1%
        2020$16,003 +2.2%$1,373,670 +2%
        2019$15,663 +1.7%$1,346,737 +2%
        2018$15,397 $1,320,331 +2%
        2017-- $1,294,443 +2%
        2016$14,156 $1,269,062 +60.2%
        2015-- $792,358 +2%
        2014-- $776,837 +0.5%
        2013$857,924 $773,327 +10%
        2012-- $702,750
        2011-- $702,750
        2010-- $702,750
        2009-- $702,750 +1.9%
        2008-- $689,473 +2%
        2007-- $675,955 +2%
        2006-- $662,702 +2%
        2005-- $649,708 +2%
        2004-- $636,969 +21.9%
        2003-- $522,498 +3.5%
        2002-- $504,900 +83.3%
        2000-- $275,503

        Find assessor info on the county website

        Monthly payment

        Est. payment

        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: 95446

        Getting around

        0 / 100
        Car-Dependent

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • District: Guerneville

        Source: BAREIS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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