Pending

$24,900,000

44 & 40 Mayo Ave, Greenwich, CT 06830

7beds

18,217sqft

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Residential, Single Family Residence

Built in 1891

2.74 Acres Lot

$-- Zestimate^®

$1,367/sqft

$-- HOA

What's special

Stunning alexa hampton-designed interiorGracious wraparound porchFormal gardensExpansive lawnsSpectacular poolSeven-bedroom masterpiece

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.

137 days

4,606

210

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 7
Bathrooms: 8
Full bathrooms: 6
1/2 bathrooms: 2

Heating

Natural Gas, Combination

Cooling

Central Air

Appliances

Laundry: Laundry Room

Features

Cedar Closet(s), Kitchen Island, Bookcases, Back Stairs, Central Vacuum, Sauna
Windows: Bay Window(s)
Basement: Finished
Number of fireplaces: 8

Interior area

Total structure area: 18,217
Total interior livable area: 18,217 sqft

Property

Parking

Total spaces: 2
Parking features: Garage
Garage spaces: 2

Features

Patio & porch: Terrace
Has private pool: Yes

Lot

Size: 2.74 Acres
Features: Garden, Level

Details

Additional structures: Guest House
Parcel number: 021597/S
Zoning: RA-1
Other equipment: Generator

Construction

Type & style

Home type: SingleFamily
Architectural style: English Manor
Property subtype: Residential, Single Family Residence

Materials

Stone, Stucco
Roof: Slate

Condition

Year built: 1891
Major remodel year: 2020

Utilities & green energy

Water: Public

Community & HOA

Community

Security: Security System

HOA

HOA name: Belle Haven

Location

Region: Greenwich

Financial & listing details

Price per square foot: $1,367/sqft
Tax assessed value: $15,425,060
Annual tax amount: $161,151
Date on market: 2/19/2026
Inclusions: Call LB

Estimated market value

Not available

Estimated sales range

Not available

Price history

Date	Event	Price
6/29/2026	Pending sale	$24,900,000$1,367/sqft
Source: Greenwich MLS, Inc. #124356 Report a problem
2/19/2026	Listed for sale	$24,900,000$1,367/sqft
Source: Greenwich MLS, Inc. #124356 Report a problem

Public tax history

Tax history is unavailable.

Monthly payment

Est. payment

Payment breakdown

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All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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Climate risks

Neighborhood: 06830

Getting around

17 / 100

Car-Dependent

23 / 100

Somewhat Bikeable

Nearby schools

GreatSchools rating

7/10
Julian Curtiss School
Grades: PK-5Distance: 1.6 mi
8/10
Central Middle School
Grades: 6-8Distance: 3 mi
10/10
Greenwich High School
Grades: 9-12Distance: 2.3 mi

Schools provided by the listing agent

Elementary: Julian Curtiss
Middle: Central

Source: Greenwich MLS, Inc.. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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