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    • Price cut: $900K (7/27)
    $2,950,000

    1740 Conn Valley Road, St. Helena, CA 94574

    3beds
    3,626sqft
    : 
    $19,696/mo
    Get pre-qualified
    Single Family Residence
    Built in 1982
    18.87 Acres Lot
    $-- Zestimate®
    $814/sqft
    $-- HOA

    What's special

    Sparkling poolWrap-around porchRemarkable viewsUsable acreageExpansive terraces
    Discover a rare sanctuary where privacy meets panorama on +/- 18.86 acres of pristine Napa Valley terrain. This exceptional estate captures sweeping views of Lake Hennessey and the dramatic Vaca Mountain ridgeline, while enjoying close proximity to the lake itself a one of Napa Valley's most tranquil natural settings, ideal for hiking, wildlife viewing, and quiet escape. The main residence spans +/- 3,626 square feet with three bedrooms and 3.5 baths, while a delightful +/- 1,200 square foot guest house extends your living space and welcomes friends and family with its own private retreat. With generous scale, a timeless footprint, and exceptional positioning on the land, the estate presents a compelling opportunity to thoughtfully refresh or reimagine the residence to reflect your own vision of modern wine country living. Step outside to find your own private resort: a sparkling pool, wrap-around porch, and expansive terraces invite long afternoons and evening gatherings. The property also offers equestrian amenities including a riding arena and small stable, creating an ideal setting for horse lovers while maintaining wide open space and privacy. Thoughtfully landscaped grounds create natural gathering spaces perfect for intimate dinners or larger celebrations under open skies. Despite its peaceful setting, St. Helena is just minutes awaylegendary wineries, Michelin-starred dining, and sophisticated shops all within easy reach. With remarkable views, usable acreage, and a residence ready for its next chapter, this is a rare opportunity to shape a truly signature Napa Valley estate.
    150 days
    |
    851
    |
    46
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Pavi Micheli DRE #01157852 707-738-2219,

    Engel & Volkers St. Helena 707-302-8133,

    Will Densberger DRE #01811932 707-483-7889,

    Engel & Volkers St. Helena

    Source: BAREIS,MLS#: 326019222MLS LogoOriginating MLS: Napa

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 4
      • Full bathrooms: 3
      • 1/2 bathrooms: 1
      Primary bedroom
      • Features: Ground Floor, Walk-In Closet(s)
      Bedroom
      • Level: Main
      Primary bathroom
      • Features: Bidet, Double Vanity, Shower Stall(s), Tile, Tub, Window
      Bathroom
      • Features: Bidet, Double Vanity, Shower Stall(s), Tile, Window
      • Level: Main
      Dining room
      • Features: Dining/Living Combo, Skylight(s)
      Family room
      • Features: View
      Kitchen
      • Features: Breakfast Area, Island w/Sink, Laminate Counters
      • Level: Main
      Living room
      • Features: Cathedral/Vaulted, Deck Attached, Skylight(s), View
      • Level: Main
      Heating
      • Central, Fireplace(s), Heat Pump
      Cooling
      • Central Air, Heat Pump
      Appliances
      • Included: Built-In Electric Oven, Built-In Electric Range, Trash Compactor, Dishwasher, Disposal, Double Oven, Free-Standing Refrigerator, Microwave, Dryer
      • Laundry: Cabinets, Electric, Ground Floor, Inside Room
      Features
      • Cathedral Ceiling(s)
      • Flooring: Carpet, Tile, Wood
      • Basement: Partial
      • Number of fireplaces: 3
      • Fireplace features: Family Room, Living Room, Stone, Wood Burning
      Interior area
      • Total structure area: 3,626
      • Total interior livable area: 3,626 sqft

      Property

      Parking
      • Total spaces: 10
      • Parking features: Detached, Garage Door Opener, Uncovered Parking Spaces 2+, Paved
      • Garage spaces: 3
      • Uncovered spaces: 7
      Features
      • Levels: Two
      • Stories: 2
      • Patio & porch: Covered, Front Porch
      • Has private pool: Yes
      • Pool features: In Ground, Private, Pool Sweep
      • Has view: Yes
      • View description: Hills, Lake, Mountain(s), Vineyard
      • Has water view: Yes
      • Water view: Lake
      Lot
      • Size: 18.87 Acres
      • Features: Private, Irregular Lot
      Details
      • Additional structures: Guest House
      • Parcel number: 025200051000
      • Special conditions: Offer As Is
      • Horse amenities: 1-6 Stalls, Arena

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Condition
      • Year built: 1982

      Utilities & green energy

      • Sewer: Septic Tank
      • Water: Shared Well
      • Utilities for property: Cable Available, Electricity Connected, Internet Available, Propane

      Community & HOA

      Community
      • Security: Security Gate
      HOA
      • Has HOA: No
      Location
      • Region: Saint Helena

      Financial & listing details

      • Price per square foot: $814/sqft
      • Tax assessed value: $1,429,610
      • Annual tax amount: $15,170
      • Date on market: 3/10/2026
      • Electric utility on property: Yes

        Estimated market value

        Not available

        Estimated sales range

        Not available

        $7,776/mo

        Price history

        DateEventPrice
        7/27/2026Price change$2,950,000-23.4%$814/sqft
        Source: BAREIS #326019222 Report a problem
        3/10/2026Listed for sale$3,850,000$1,062/sqft
        Source: BAREIS #326019222 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$15,170 +2%$1,429,610 +2%
        2024$14,869 +15.2%$1,401,580 +19.5%
        2023$12,905 +3.1%$1,173,224 +2%
        2022$12,518 +1.5%$1,150,221 +2%
        2021$12,329 +1%$1,127,669 +1%
        2020$12,206 +1.9%$1,116,108 +2%
        2019$11,981 +1.5%$1,094,226 +2%
        2018$11,802 +2.3%$1,072,772 +2.3%
        2017$11,538 +2.6%$1,048,657 +2%
        2016$11,248 +2.2%$1,028,097 +1.5%
        2015$11,002 +1.6%$1,012,656 +2%
        2014$10,828 +0.2%$992,821 +0.5%
        2013$10,806 +4.1%$988,336 +4.1%
        2011$10,383 +1.5%$949,629 +0.8%
        2010$10,226 -0.4%$942,533 -0.2%
        2009$10,272 $944,771
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        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: 94574

        Getting around

        0 / 100
        Car-Dependent
        2 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

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