400 5 1/2 Mile Road

Cornwall, CT
$ 11,950,000 Beds 10 Baths 13.5 Sq 18,000 Virtual Tour
Monthly Estimate* How much can I afford?

This exquisite Georgian Federal was built by the highly noted Amerian Architect, Allan Greenberg; one of the leading classical architects of the twenty-first century, also known as New Classical Architecture. Behind the elegant gated entrance sits stunning Hillhouse, located on 100 acres, the drive is tree-lined and meanders by meadows, pastures, and all just 10 minutes from Litchfield Center and under 2 hours from NYC. **see additional remarks** There is a regulation custom gymnasium on the lower level with basketball court, tennis court, play court all leading to the outdoor pool and cabana. Overlooking the mature gardens you'll find a luxurious & sunny indoor gunite pool with a hand-painted mural of the property and surrounding hillside; located off the exercise room, complete with steam rooms, dressing rooms, water fountain & elevator. State of the art security system can be found extensively throughout the home, 12-foot custom French doors accessing the gardens throughout the first floor. Wide oak plank floors, custom molding and raised paneling in the trophy room, library, and dining rooms. You'll find top of the line appliances in the kitchen, an elegant foyer with reception room, a beautiful loggia, a custom wide staircase leading to upper foyer and bedrooms. The 3 car garage is located off the circular front drive and porte-cochere. Additional garaging for 3 cars, an office & kennel are located in this area. All stone manor house overlooks the Connecticut foothills.

  • Price
  • $ 11,950,000
  • Lot Size
  • 100 Acres
  • Bedrooms
  • 10
  • Sqr Footage
  • 18,000
  • Full Bathrooms
  • 12
  • Year Built
  • 1992
  • Half Bathrooms
  • 3
  • City, Zip
  • Cornwall
  • Taxes
  • 99624
  • County
  • Style
  • Georgian Colonial
  • Area
  • MLS#
  • L150478
  • Zip
  • 06756
Listing Provided by:



Association Amenities Basketball Court, Elevator, Exercise Room/Health Club, Private Rec Facilities, Tennis Courts
Elementary School Cornwall Consol.
Energy Features Generator, Thermopane Windows
Handicap Features Hallways 36+ Inches Wide
High School Housatonic
In Law Apartment YNP Possible
Intermediate School Per Board of Ed
Middle School/High School Cornwall Consolidated
Nearby Amenities Lake, Private Rec Facilities, Private School(s), Tennis Courts
Neighborhood N/A
New Construction Type No
Property Type Single Family For Sale
Status Active
Style Georgian Colonial
Tax Year July 2020-June 2021
Virtual Tour https://app.immoviewer.com/landing/unbranded/5cd4c1981d01ef15b890a171
Virtual Tour Yn Yes
Year Built 1992
Year Built Source Public Records
Zoning res

Interior Features

Appliances Included Gas Cooktop, Oven/Range, Wall Oven, Range Hood, Refrigerator, Freezer, Subzero, Icemaker, Dishwasher
Basement Description Full, Fully Finished, Heated, Cooled, Concrete Floor
Beds Total 10
Cooling System Central Air, Zoned
Fireplaces Total 4
Fuel Tank Location Above Ground
Full Baths 12
Half Baths 3
Heat Fuel Type Oil
Heat Type Hydro Air, Zoned
Hot Water Description Oil
Interior Features Auto Garage Door Opener, Elevator, Sauna, Security System
Laundry Room Upper Level
Laundry Room Info Lower Level, Main Level
Room Count 11
Rooms Additional Bonus Room, Exercise Room, Foyer, Mud Room, Sauna, Solarium, Workshop
Sq Ft Est Heated Above Grade 18000
Sq Ft Source Owner
Sq Ft Total 18000
Total Baths 15.00
Total Rooms 20

Exterior Features

Acres 100.0000
Direct Waterfront Yn Yes
Driveway Type Private, Circular, Paved, Asphalt
Exterior Features Balcony, Cabana, French Doors, Garden Area, Kennel, Patio, Stone Wall, Tennis Court, Underground Utilities
Foundation Concrete
Garage Parking Info Attached Garage, Detached Garage, Paved
Garages Number 8
Lot Description Dry, Secluded, Level Lot, Rolling, Treed, Professionally Landscaped
Pool Description Pool House, Indoor Pool, In Ground Pool, Heated, Gunite
Sewage System Septic
Siding Stone, Stucco
Swimming Pool Yn Yes
Water Source Private Well
Waterfront Description Pond, Access


  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Master On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator


Per Month

Based on the average sale price from the Guilford, Connecticut office

  • Monthly Principal & interest $1,939
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
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Default based on a 30-year fixed rate of 4.38% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.


Elementary School Cornwall Consol. Elementary School
Middle School Cornwall Consolidated Middle School
High School Housatonic High School

Price History

12/12/2016 Listed $19,750,000
12/8/2018 2% - $19,500,000
11/19/2019 11% - $17,500,000
4/24/2020 32% - $11,950,000

Property vs Zip Code Average in 06756

AVG $1.27M
AVG $11,472
AVG 74
Year Built
AVG 1978


Areas That We Cover

400 5 1/2 Mile Road Cornwall, CT is a Single Family Home for sale at $11950000 with 18000 sqft and a lot size of 100 Acres Acre(s). 400 5 1/2 Mile Road Cornwall has 10 bedrooms, 12 baths and was built in 1992. The property's zip code is 06756 which is in Cornwall, CT

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 4.38% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site 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.