Sold
Last Sold Price
4 beds5,479 sqft$529/sqft
66 Sumner Rd, Greenwich, CT 06831
Single FamilyProperty Type
4.22 acresLot Size
1979Year Built
$529/sq ftPrice per sq ft
3 carsParking Spaces

Description

At the end of a cul-de-sac off Round Hill Road in back-country Greenwich awaits 66 Sumner, a 4+ acre property with private auto-gate, tennis court, pool and a canopy of specimen trees. This Mid-Century Modern home was constructed by global architectural firm Spector Group with interiors by John Saladino, one of the world's most distinguished and respected designers. 4-bedrooms, 6.5 baths, and 5,500+ SF of open living space featuring high ceilings and floor-to-ceiling windows throughout. The property...At the end of a cul-de-sac off Round Hill Road in back-country Greenwich awaits 66 Sumner, a 4+ acre property with private auto-gate, tennis court, pool and a canopy of specimen trees. This Mid-Century Modern home was constructed by global architectural firm Spector Group with interiors by John Saladino, one of the world's most distinguished and respected designers. 4-bedrooms, 6.5 baths, and 5,500+ SF of open living space featuring high ceilings and floor-to-ceiling windows throughout. The property is completely fenced and surrounded by a buffer of 3+ acres of wetlands for utmost privacy. Pool bath and changing rooms. New siding and decking. Generator. Unique opportunity to reimagine an architectural masterpiece nestled in a private oasis only 45 min. from NYC.

Listing Agent

  1. Amy Balducci

    Amy Balducci

    Listing Agent

    Compass Connecticut, LLC

    P: (917) 318-7841

    M: (917) 318-7841

Listing closed: 07/15/2025 12:00 AM • Source: GMLS, MLS#: 120871

Recent comparable sales

Median sold price

$2,990,000

Avg days on market

98

Sale-to-list ratio

95.5%

Greenwich, CT

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Location

Add your commute

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Payment Calculator

$16,595 per month

30 year fixed, 6.71% Interest

Principal and Interest

$14,986

Property Taxes

$1,610

HOA Dues

$0

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Property Information for 66 Sumner Road

Property Details
  • Taxes: $19,314 / year
  • MLS Type: Residential / Single Family
  • Section: North Parkway
  • Design: Post Modern
  • Pool: Yes
  • Basement Type: Finished
  • Garage #: 3.00
  • Garage Desc: Attached
  • Garage: Yes
Building Information
  • Year Built: 1979
  • Lot Size: 4.22 AC / 183,823 SF
Summary
Location and General Information
  • Area: 3 - Greenwich
  • Elementary School: Parkway
  • Middle School: Western
  • Directions: Off of Round HIll, go to the end of Sumner cul-de-sac, then down private road, last house, gate is automatic.
  • City: Greenwich
  • MLS Area Major: 3 - Greenwich
  • Longitude: -73.677118
  • Latitude: 41.12
  • Postal Code: 06831
  • County: Fairfield
  • State Or Province: CT
HOA and Fees
  • Parcel Number: 10-3290
  • Association Chg/Yr: $0
  • Taxes: $19,314
Interior and Exterior Features
Interior Features
  • Bathrooms Total Integer: 6
  • Baths Full: 5
  • Baths Half: 1
  • Beds Total: 4
  • Cooling: Yes
  • Heating: Yes
  • Living Room Level/FP: 1st: 1
  • Dining Room Level/FP: 1st: 1
  • Family Room Level/FP: LL: 1
  • Kitchen Level/FP: 1st: 1
  • Primary Bdrm Level/FP: 1st: 1
  • Primary Bath Level/FP: 1st: 2
  • Dbl Bdrms Level/FP: 1st: 1
  • Dbl Bdrms Level/FP: 2nd: 2
  • Bath Level/FP: 1st: 1
  • Bath Level/FP: 2nd: 3
  • Laundry Level/FP: 1st: 1
  • Other Room Level/FP: LL: 1
  • Other Room 2 Level/FP: 1st: 1
  • Attic: None: Yes
  • Dining Room Ceilings: Extra Height: Yes
  • Entry Hall Ceilings: Extra Height: Yes
  • Entry Hall Comments: Front to Back: Yes
  • Laundry Comments: Adjacent to Kitchen: Yes
  • Living Room Ceilings: Extra Height: Yes
  • Living Room Ceilings: Skylight: Yes
  • Living Room Comments: Built-Ins: Yes
  • Other Room Comments: Exercise Room: Yes
  • Other Room Comments 2: Office Space: Yes
  • Cooling System: Central AC: Yes
  • Heat System: Forced Air: Yes
  • Primary Bdrm Comments: Dressing Room: Yes
  • Cooling System: Central A/C
Exterior Features
  • Exterior: Wood Siding: Yes
  • Court: Yes
  • Exterior: Wood Siding
  • Roof: Composition
  • Pool YN: Yes
Property
Lot Information
  • Location Property Info: SPOLP: $.73
  • Location Property Info: List PriceSqFt: $619.64
  • Location Property Info: Owner: Greenfield, Stanley and Ellen
  • Location Property Info: Zoning: RA-4
  • Location Property Info: # FPs: 1.0
  • Lot Description: Adjcnt Conservation,Wooded
  • Lot Size Acres: 4.22
  • Lot Size Area: 4.22
  • Lot Size Square Feet: 183823.2
  • Lot Size Units: Acres
  • Lot Description: Adjcnt Conservation: Yes
  • Lot Description: Wooded: Yes
Property and Assessments
  • General Property Info: Acres -: 4.22
  • General Property Info: Elementary School: Parkway
  • General Property Info: Middle School: Western
  • General Property Info: Pool Description: Heated
  • General Property Info: Design: Post Modern
  • General Property Info: Court Description: Tennis Court
  • General Property Info: Design Plan: Open Plan
  • General Property Info: SqFt Source: Taxcard
  • Assessment: $1,603,980
  • Zoning: RA-4
  • Sanitation Source: Septic Tank
  • SqFt Source: Taxcard
  • Features: Auto Gate: Yes
  • Features: Cedar Closet: Yes
  • Features: Fenced Yard: Yes
  • Features: Generator: Yes
  • Features: Security System: Yes
  • Included: All Kitchen Applncs: Yes
  • Included: WasherDryer: Yes
Utilities
  • Gas Source: Propane: Yes
  • Heat Fuel: Combination: Yes
  • Heat Fuel: Propane: Yes
  • Hot Water: Electric: Yes
  • Heat System: Forced Air, Propane
  • Water Source: Well
Multi Family
Building Details
  • Public Remarks: At the end of a cul-de-sac off Round Hill Road in back-country Greenwich awaits 66 Sumner, a 4+ acre property with private auto-gate, tennis court, pool and a canopy of specimen trees. This Mid-Century Modern home was constructed by global architectural firm Spector Group with interiors by John Saladino, one of the world's most distinguished and respected designers. 4-bedrooms, 6.5 baths, and 5,500+ SF of open living space featuring high ceilings and floor-to-ceiling windows throughout. The property is completely fenced and surrounded by a buffer of 3+ acres of wetlands for utmost privacy. Pool bath and changing rooms. New siding and decking. Generator. Unique opportunity to reimagine an architectural masterpiece nestled in a private oasis only 45 min. from NYC.
  • Parking Desc: Electric Gate

Property History for 66 Sumner Road

DateEvent & SourcePriceAppreciation
Jul 15, 2025

Closed (Public Record)

Public Record #1906800776

$2,900,000
DateEvent & SourcePrice
07/15/2025

Closed (Public Record)

Public Record #1906800776

$2,900,000

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 66 Sumner Road

Taxable ValueLand$759,920Additions$844,060Total$1,603,980
Tax Record2025$19,312 ($1,609 / month)
Home Facts
Beds4Baths5.5Total Finished SqFt5,479 SqFtAbove Grade Finished SqFt5,479 SqFtUnfinished Basement SqFt2,977 SqFtStories1Lot Size183,823 SqFtStyleSingle Family ResidenceYear Built1979Year Renovated1979ZoningRA-4CountyWESTERN CONNECTICUTAPNGREE M:10 B:3290

Schools near 66 Sumner Road

This home is within Greenwich School District.
Rating
School
Type
Grades
Distance
Public - K to 5
Public - 6 to 8
Public - 9 to 12
Rating
School
Distance
Parkway School
PublicK to 5

Western Middle School
Public6 to 8

Greenwich High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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Nearby home values

AddressSold priceBedsBathsSqftLot (Sqft)
This home: 66 Sumner Road, Greenwich, CT 06831
$2,900,000
4
5,479
183,823
$2,650,000
6
8,459
174,240
$1,385,000
5
4,852
182,516
$5,480,000
6
9,340
174,240
30,056
4
3.5
3,051
178,596

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity.

Based on information from one of the following Multiple Listing Services: Darien MLS, Smart MLS and Greenwich Multiple Listing Service. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Darien MLS, Smart MLS and Greenwich Multiple Listing Service is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.