Date
Details
Price
Change
Source
2/19/2026
Listed
$24,900,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.
1/37
$24,900,000 Just Listed
This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.
1/37
Property Description
Nestled within the prestigious Belle Haven, Fairholme Estate is a magnificent English Manor that exudes timeless elegance and grandeur. Set on 2.74 beautifully landscaped acres, this seven-bedroom masterpiece features a spectacular pool, gracious wraparound porch, formal gardens, and expansive lawns, complemented by a charming coachman's cottage. Meticulously preserved to honor its historic character, the residence has been thoughtfully updated for modern living with a stunning, Alexa Hampton-designed interior that seamlessly blends classic sophistication with contemporary comfort. Fairholme Estate includes a separate 5,800 square foot Guest House.
Full Property Details
Full Property Details for 44 & 40 Mayo Ave
General
- Price: $24,900,000
- Taxes: $127,012 (14050)
- Status: Active
- Type: Single Family
- Source: Greenwich
- MLS ID: 124356
- Updated: 2/19/2026
- Added to Site: 1 day(s) ago
Interior
- Interior Features: Cedar Closet(s), Kitchen Island, Bookcases, Back Stairs, Central Vacuum, Sauna
- Number of Fireplaces: 8
Rooms
Bathrooms
- Total Bathrooms: 8
- Full Bathrooms: 6
- Half Bathrooms: 2
Bedrooms
- Total Bedrooms: 7
Other Rooms
- Laundry: Laundry Room
Additional Information
- Pool: Yes
- Private Pool: Yes
- Pool Description: Heated
- Security/Safety: Security System
- Equipment: Generator
Exterior
- Porch/Patio/Deck: Terrace
Parking
- Garage: Yes
- Garage Spaces: 2
Location
- Area: 3 - Greenwich
- County: Fairfield
School Information
- Elementary School: Julian Curtiss
- Middle School: Central
Community
- Assoc. Name: Belle Haven
Heating & Cooling
- Central air: Yes
- Air Conditioning: Yes
- Cooling Type: Central Air
- Heating Type: Natural Gas, Combination
- Heating Fuel: Gas
- Water Heater: Gas
Utilities
- Gas: Public Utility
- Sewer: Town Sewer
- Water: Public
Structural Information
- Architectural Style: English Manor
- Construction: Stone, Stucco
- Basement Desc.: Walk-Out Access, Finished
- Roof: Slate
- Windows: Bay Window(s)
- Square Feet: 18,217
- Sq. Ft. Source: Taxcard
- Year Built: 1891
- Year Addition: 1991
- Remodeled/Updated: 2020
Additional Structures
- Other Structures: Guest House
Lot Features
- Lot Size (Acres): 2.74
- Lot Size (Sq. Ft.): 119,354.4
- Irrigation System: Sprinkler System
- Lot Features: Formal Gardens, Level
- Zoning: RA-1
- Lot Description: Level
Financial Considerations
- Price Per Sq. Ft.: $1,366.86
- Tax Amount: $127,012
- Tax Year: 14050
Disclosures and Reports
- Exclusions: Call LB
- Inclusions: Call LB
- Property ID: 02-1597/S
Listed by Houlihan Lawrence
We Value Your Privacy
We Value Your Privacy
We Value Your Privacy
Listing agent
— 44 & 40 Mayo Ave —
Houlihan Lawrence
NMLS#: 1598647Get Pre-Approved Today
Price & Sales History for 44 & 40 Mayo Ave
Estimate the Cost
Estimate the Cost for 44 & 40 Mayo Ave
This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.
- Single Family
- Active
- Updated 2 days ago
- 8Beds
- 12Total Baths
- 14,071Sq. Ft.
Listed by Houlihan Lawrence
This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.
- Single Family
- Active
- Updated 1 day ago
- 5Beds
- 4Total Baths
- 4,041Sq. Ft.
Listed by Compass Connecticut, LLC
- Single Family
- Active
- Updated 23 hours ago
- 4Beds
- 6Total Baths
- 4,500Sq. Ft.
Listed by BHHS New England Properties
- Single Family
- Active
- Updated 1 hour ago
- 5Beds
- 8Total Baths
- 9,394Sq. Ft.
- Townhouse
- Active
- Updated 2 days ago
- 2Beds
- 2Total Baths
- 1,860Sq. Ft.
This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.
- Single Family
- Active
- Updated 9 hours ago
- 4Beds
- 3Total Baths
- 3,324Sq. Ft.
- Single Family
- Active
- Updated 6 days ago
- 4Beds
- 3Total Baths
- 3,247Sq. Ft.
This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.
- Single Family
- Closed
- 8Beds
- 12Total Baths
- 13,428Sq. Ft.
Listed by Houlihan Lawrence
Sold by Compass Connecticut, LLC
Sold by Compass Connecticut, LLC
- Single Family
- Closed
- 6Beds
- 12Total Baths
- 12,312Sq. Ft.
Listed by Sotheby's International Realty
Sold by Sotheby's International Realty
Sold by Sotheby's International Realty
44 & 40 Mayo Avenue, Greenwich, CT 06830 (MLS# 124356) is a Single Family property with 7 bedrooms, 6 full bathrooms and 2 partial bathrooms. 44 & 40 Mayo Avenue is currently listed for $24,900,000 and was received on February 19, 2026. Want to learn more about 44 & 40 Mayo Avenue? Do you have questions about finding other Single Family real estate for sale in Greenwich? You can browse all Greenwich real estate or contact a Coldwell Banker agent to request more information.