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  • Listed by: Four Seasons Sotheby's International Realty • Andrew Peterson
    $5,999,000

    4 Windmill Hill Road, Dublin, NH 03444

    13beds
    14,546sqft
    : 
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    Single Family Residence
    Built in 1902
    104 Acres Lot
    $-- Zestimate®
    $412/sqft
    $-- HOA

    What's special

    Stone pillared entry driveHistoric barn
    A stone pillared entry drive by a mature rhododendron and mountain laurel hedges leads to Knollwood... a singular country estate set in the heart of New Hampshire's Monadnock region. A compelling opportunity to acquire a legacy property at a fraction of its replacement cost and on 100+ acres. Built in 1900 by Franklin MacVeagh, U.S. Secretary of the Treasury, and later owned by Ernest Henderson, founder of Sheraton Hotels, the estate has had only two owners in 124 years. From 1910-1913, President William Howard Taft used Knollwood as his occasional Summer White House, while Mark Twain spent weeks here reading Huckleberry Finn to guests... Set on a ridge of Mount Monadnock with sweeping 40-mile views, the property spans 100+ acres of gardens, forests, and vineyard—an increasingly rare offering in the Northeast. The 14,500+ sq ft Georgian residence includes 13 bedrooms, 9.5 baths, a 26-seat dining room, library, terraces, and a 120-person ballroom. Additional structures include a heated 3-car garage with apartment above and a historic barn... In addition to its appeal as a one-of-a-kind grand residential estate, Knollwood’s scale, layout, and global narrative position it for luxury retreats, weddings, or boutique hospitality ventures (subject to approvals)—offering a significantly lower basis than comparable New England opportunities. Located less than 2 hours from Boston and ~20 minutes from a private jet airport, this is a rare opportunity to acquire, reposition, and create a destination asset of lasting significance. Proof of funds required...showings by appointment only please.
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    Zillow last checked:

    Listing updated:

    Listed by:

    Andrew Peterson,

    Four Seasons Sotheby's International Realty 603-924-3321

    Source: PrimeMLS,MLS#: 5097639MLS Logo

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 13
      • Bathrooms: 10
      • Full bathrooms: 9
      • 1/2 bathrooms: 1
      Heating
      • Oil, Forced Air
      Cooling
      • Wall Unit(s)
      Appliances
      • Included: Dishwasher, Dryer, Range Hood, Freezer, Microwave, Double Oven, Wall Oven, Refrigerator, Washer, Gas Stove, Owned Water Heater
      • Laundry: 1st Floor Laundry
      Features
      • Hearth, Lead/Stain Glass, Primary BR w/ BA, Natural Light
      • Flooring: Hardwood
      • Basement: Partial,Interior Entry
      • Has fireplace: Yes
      • Fireplace features: Wood Burning
      Interior area
      • Total structure area: 14,546
      • Total interior livable area: 14,546 sqft
      • Finished area above ground: 14,546
      • Finished area below ground: 0

      Property

      Parking
      • Total spaces: 21
      • Parking features: Gravel, Heated Garage, Deeded, Driveway, Parking Spaces 21+, Detached
      • Garage spaces: 6
      • Has uncovered spaces: Yes
      Features
      • Levels: 3
      • Stories: 3
      • Exterior features: Garden, Natural Shade
      • Has view: Yes
      • View description: Mountain(s)
      Lot
      • Size: 104 Acres
      • Features: Country Setting, Landscaped, Views, Mountain, Rural
      Details
      • Additional structures: Outbuilding
      • Parcel number: DUBLM00003B000001L000000
      • Zoning description: RU RUR
      • Other equipment: Standby Generator

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Georgian
      • Property subtype: Single Family Residence
      Materials
      • Shingle Siding, Wood Siding
      • Foundation: Concrete, Fieldstone
      • Roof: Asphalt Shingle
      Condition
      • New construction: No
      • Year built: 1902

      Utilities & green energy

      • Electric: 200+ Amp Service
      • Sewer: Private Sewer
      • Utilities for property: Cable, Propane

      Community & HOA

      Community
      • Security: Security
      Location
      • Region: Dublin

      Financial & listing details

      • Price per square foot: $412/sqft
      • Tax assessed value: $3,364,745
      • Annual tax amount: $64,110
      • Date on market: 7/1/2026

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        7/1/2026Listed for sale$5,999,0000%$412/sqft
        Source: PrimeMLS #5097639 Report a problem
        7/1/2026Listing removed$5,999,900$412/sqft
        Source: PrimeMLS #5059572 Report a problem
        5/29/2026Price change$5,999,900-20%$412/sqft
        Source: PrimeMLS #5059572 Report a problem
        3/24/2026Price change$7,500,000-25%$516/sqft
        Source: PrimeMLS #5059572 Report a problem
        10/13/2025Price change$9,999,000-33.3%$687/sqft
        Source: PrimeMLS #5059572 Report a problem
        9/9/2025Listed for sale$15,000,000$1,031/sqft
        Source: PrimeMLS #5059572 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2024$60,735 +16.2%$3,376,027 +78.7%
        2023$52,270 +10.8%$1,889,064 0%
        2022$47,183 +6.6%$1,889,570 0%
        2021$44,261 -3.7%$1,889,893 +1.3%
        2020$45,958 +0%$1,865,919 +0%
        2019$45,955 +2.3%$1,865,799 +18.1%
        2018$44,932 +17.4%$1,580,453 0%
        2017$38,282 -23.4%$1,580,607 -12.1%
        2016$50,000 +4.9%$1,797,900
        2015$47,644 -0.2%$1,797,900
        2014$47,752 +29%$1,797,900 +14.8%
        2013$37,027 +6.7%$1,566,300
        2012$34,694 -1.7%$1,566,300
        2011$35,304 +5.3%$1,566,300
        2010$33,519 +3%$1,566,300 -0.6%
        2009$32,555 -12.7%$1,576,500 -12.8%
        2008$37,312 +2.7%$1,806,900 -0.8%
        2007$36,321 $1,820,600

        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: 03444

        Getting around

        1 / 100
        Car-Dependent
        1 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Dublin Consolidated Sch
        • Middle: South Meadow School
        • High: Contoocook Valley Reg High Sch
        • District: Contoocook Valley SD SAU #1

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

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