4 Windmill Hill Road, Dublin, NH 03444

Local realty services provided by:Better Homes and Gardens Real Estate The Masiello Group
4 Windmill Hill Road,Dublin, NH 03444
$7,500,000
  • 13 Beds
  • 10 Baths
  • 14,546 sq. ft.
  • Single family
  • Active
Listed by: sean bakhtiari, colby coppage
Office: compass new england, llc.
MLS#:5059572
Source:PrimeMLS

Price summary

  • Price:$7,500,000
  • Price per sq. ft.:$515.61

About this home

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...

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Home facts

  • Year built:1900
  • Listing ID #:5059572
  • Added:198 day(s) ago
  • Updated:March 24, 2026 at 05:44 PM

Rooms and interior

  • Bedrooms:13
  • Total bathrooms:10
  • Full bathrooms:9
  • Rooms Total:25
  • Flooring:Hardwood
  • Basement Description:Interior, Partial
  • Living area:14,546 sq. ft.

Heating and cooling

  • Cooling:Wall AC
  • Heating:Forced Air, Oil

Structure and exterior

  • Roof:Asphalt Shingle
  • Year built:1900
  • Building area:14,546 sq. ft.
  • Lot area:104 Acres
  • Levels:3 Story

Utilities

  • Sewer:Private

Finances and disclosures

  • Price:$7,500,000
  • Price per sq. ft.:$515.61
  • Tax amount:$64,110 (2024)

Parking

  • Parking description:Gravel Driveway
  • Garage spaces:6
MLS LogoCopyright 2026 Prime MLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this Site comes in part from the IDX Program of Prime MLS. The information being provided is for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated March 27, 2026