Listed by Sean Bakhtiari, Compass New England, LLC, (978) 248-8081
4 Windmill Hill Road
Dublin, NH 03444
- 13 Beds
- 9.5 Baths
- 14,546 sqft (on 104 acres)
$7,500,000
Original price: $9,999,000
$7,500,000
Original price: $9,999,000
13 Beds
9.5 Baths
14,546 sqft
(on 104 acres)
Local Information
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Last check for updates: about 7 hours ago
Listing courtesy of Sean Bakhtiari
Compass New England, LLC, (978) 248-8081
Colby Coppage
Compass New England, LLC, (603) 319-4660
Source: PrimeMLS, MLS#5059572

Also Listed on PrimeMLS.
Description
One of New England’s most storied estates—now offered under $8M—Knollwood represents a rare and 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 atop 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.
Home Highlights
Parking
Garage
Outdoor
No Info
A/C
Heating & Cooling
HOA
None
Price/Sqft
$516
Listed
180+ days ago
Home Details for 4 Windmill Hill Road
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MLS Status: Active |
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Interior Details Basement: Partial,Interior EntryNumber of Rooms: 25 |
Beds & Baths Number of Bedrooms: 13Number of Bathrooms: 10Number of Bathrooms (full): 9Number of Bathrooms (half): 1 |
Dimensions and Layout Living Area: 14546 Square Feet |
Appliances & Utilities Utilities: Cable, Propane |
Heating & Cooling Heating: Oil,Forced AirHas CoolingAir Conditioning: Wall Unit(s)Has HeatingHeating Fuel: Oil |
Gas & Electric Electric: 200+ Amp Service |
Windows, Doors, Floors & Walls Flooring: Hardwood |
Levels, Entrance, & Accessibility Stories: 3Levels: 3Floors: Hardwood |
View Has a ViewView: Mountain(s) |
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Exterior Home Features Roof: Asphalt ShingleFoundation: Concrete, Fieldstone |
Parking & Garage Number of Garage Spaces: 6Number of Covered Spaces: 6No CarportHas a GarageHas Open ParkingParking Spaces: 21Parking: Gravel,Heated Garage,Deeded,Driveway,Parking Spaces 21+,Detached |
Frontage Road Frontage: TBD, Public |
Water & Sewer Sewer: Private Sewer |
Finished Area Finished Area (above surface): 14546 Square Feet |
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Days on Market: 180+ |
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Year Built Year Built: 1900 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family ResidenceArchitecture: Georgian |
Building Construction Materials: Shingle Siding, Wood SidingNot a New Construction |
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Price List Price: $7,500,000Price Per Sqft: $516 |
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Direction & Address City: Dublin |
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Listing Agent Listing ID: 5059572 |
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Building Area Building Area: 14546 Square Feet |
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Lot Area: 104 Acres |
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BasementMls Number: 5059572Above Grade Unfinished Area: 14546Above Grade Unfinished Area Units: Square FeetBelow Grade Unfinished Area Units: Square Feet |
Price History for 4 Windmill Hill Road
| Date | Price | Event | Source |
|---|---|---|---|
| 03/24/2026 | $7,500,000 | PriceChange | PrimeMLS #5059572 |
| 10/13/2025 | $9,999,000 | PriceChange | PrimeMLS #5059572 |
| 09/09/2025 | $15,000,000 | Listed For Sale | PrimeMLS #5059572 |
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Property Tax and Assessment
| Year | 2024 |
|---|---|
| Tax | $60,735 |
| Assessment | $3,376,027 |
Home facts updated by county records
Comparable Sales for 4 Windmill Hill Road
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.53 | Single-Family Home | $1,775,000 | 06/02/25 | 8 | 5.5 | 7,659 | |
0.13 | Single-Family Home | $975,000 | 11/12/25 | 4 | 3 | 3,644 | |
0.22 | Single-Family Home | $640,000 | 01/23/26 | 3 | 3 | 2,985 | |
0.25 | Single-Family Home | $812,500 | 06/04/25 | 3 | 1.5 | 1,743 | |
0.32 | Single-Family Home | $475,000 | 12/23/25 | 3 | 2 | 1,719 | |
0.49 | Single-Family Home | $570,000 | 12/31/25 | 4 | 2 | 2,661 | |
0.41 | Single-Family Home | $480,000 | 06/11/25 | 3 | 1.5 | 1,664 | |
0.87 | Single-Family Home | $583,000 | 06/20/25 | 3 | 2 | 1,824 | |
0.89 | Single-Family Home | $585,000 | 09/04/25 | 4 | 2 | 2,034 |
Assigned Schools
These are the assigned schools for 4 Windmill Hill Road.
What Locals Say about Dublin
At least 1 Trulia users voted on each feature.
100 % Say car is needed
100 % Say there are community events
100 % Say they plan to stay for at least 5 years
100 % Say there's holiday spirit
100 % Say yards are well-kept
100 % Say parking is easy
100 % Say there's wildlife
100 % Say it's dog friendly
100 % Say people would walk alone at night
75 % Say it's quiet
60 % Say neighbors are friendly
50 % Say kids play outside
25 % Say it's walkable to restaurants
25 % Say streets are well-lit
25 % Say it's walkable to grocery stores
Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Sean Bakhtiari, Compass New England, LLC, (978) 248-8081

Copyright 2026 PrimeMLS, Inc. All rights reserved.
This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display comes in part from the IDX Program of PrimeMLS. The information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated 2026-05-09 15:46:26 PDT.
This display of listings may or may not be the entire Compilation from the PrimeMLS database, and PrimeMLS does not guarantee the accuracy of such information.
This display of listings may or may not be the entire Compilation from the PrimeMLS database, and PrimeMLS does not guarantee the accuracy of such information.
4 Windmill Hill Road, Dublin, NH 03444 is a 13 bedroom, 10 bathroom, 14,546 sqft single-family home built in 1900. This property is currently available for sale and was listed by PrimeMLS on Sep 3, 2025. The MLS # for this home is MLS# 5059572.

