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Jonathan Griffus
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4 Windmill Hill Road, Dublin, NH 03444

$5,999,000
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Active
BEDS13 BATHS9 full 1 partial SQUARE FEET14,546 MLS#5097639
STATUSActive PROPERTY TYPEResidential - Single Family SCHOOLContoocook Valley SD SAU #1

Listing Courtesy of: Four Seasons Sothebys International Realty
Agency Phone: 603-924-3321
Associate Name: Andrew Peterson
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Property Description

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.

4 Windmill Hill Road | MLS# 5097639

This single family home located at 4 Windmill Hill Road, Dublin, NH 03444 is currently listed for sale with an asking price of $5,999,000. This property was built in 1902 and has 13 bedrooms and 9 full and 1 partial baths with 14546 sq. ft. Windmill Hill Road is located within the Contoocook Valley SD SAU #1 school district. Search Dublin real estate on jonathangriffus.masiellogrouprealestate.com today.

Property Features

Property Type: Residential - Single Family
Basement: Yes
Basement: Partial
Cooling: Wall AC Units
Garage: 6
Heating: Oil, Forced Air
Home Style: Georgian
Lot Size: 104.00 Acres
Roof Type: Asphalt Shingle
Stories: 3.0
Taxes: $64,110
Year Built: 1902

Amenities

Wood Fireplace
Hearth
Lead/Stain Glass
Primary BR w/ BA
Natural Light
Security
1st Floor Laundry
Garden Space
Natural Shade
Outbuilding

Feature Descriptions

Appliances: Dishwasher, Dryer, Range Hood, Freezer, Microwave, Double Oven, Wall Oven, Refrigerator, Washer, Gas Stove, Owned Water Heater
Baths 1/2: 1
Baths Full: 9
Construction: Shingle Siding, Wood Siding
Construction Status: Existing
Days on Site: 20
Driveway: Gravel
Electric: 200+ Amp Service
Equipment: Standby Generator
Exterior: Shingle Siding, Wood Siding
Flood Zone: No
Flooring: Hardwood
Foundation: Concrete, Fieldstone
Lot: Country Setting, Landscaped, Mountain View, View, Mountain, Rural
Number of Rooms: 25
Parking: Heated Garage, Deeded, Driveway, Parking Spaces 21+, Detached
Roads: Public
Sewer: Private
Sq. Ft. Above Grade Finished: 14546
Sq. Ft. Total Finished: 14546
Total Stories: 3
Water: Private
Zoning: RU RUR

Room Sizes

Great Room: 29x57 FP Level - 1
Kitchen: 17.6x15+ 7.2x14.5 Level - 1
Dining Room: 21.6x30,7 Level - 1
Foyer: 26x21 FP Level - 1
Living Room: 16x20 FP Level - 1
Den: 18x21 FP Level - 1
Bedroom: 12x14.5 Level - 1
Bedroom: 19.5x14.6 FP Level - 1
Sunroom: 9.9x17.5 Level - 1
Utility Room: 11x12 Level - 1
Primary BR Suite: 29x17 FP Level - 2
Bedroom with Bath: 29x18.5 FP Level - 2
Bedroom: 22x18 Level - 2
Bedroom: 21.6x15 FP Level - 2
Bedroom: 12.6x18.4 Level - 2
Bedroom: 15x13 Level - 2
Bedroom: 12x12 Level - 2
Bonus Room: 16x13+21x12 Level - 2
Bedroom: 26.5x18.6FP Level - 3
Bedroom: 22x14 Level - 3

Local Schools

High School: Contoocook Valley Reg High Sch
Middle School: South Meadow School
Elementary School: Dublin Consolidated Sch
School District: Contoocook Valley SD SAU #1

Listed By / Shown By

Listed By

Agency Name: Four Seasons Sothebys International Realty
Agent Name: Andrew Peterson
Agency Phone: 603-924-3321

agent picture

Shown By

Agent Name: Jonathan Griffus
Agent Phone:
Agency Title: Better Homes and Gardens Real Estate The Masiello Group

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Estimated Payment

$ 20,443.38 per month $13,351.17 Principal & Interest $5,342.50 Property Tax $1,749.71 Homeowner's Insurance

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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided 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. Information on this site was last updated 07/21/2026. The listing information on this page last changed on 07/21/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Tue 07/21/2026 6:16:08 AM EST) or MLSPIN MLS (last updated Mon 07/20/2026 11:38:26 PM EST) or Prime MLS (last updated Mon 07/20/2026 11:33:29 PM EST) or MREIS (last updated Tue 07/21/2026 2:05:12 AM EST). Real estate listings held by brokerage firms other than Better Homes and Gardens Real Estate The Masiello Group may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

Listing data compilation and photo(s) 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 2026-07-20 23:33:29

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