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$4,995,000

  • For Sale
  • Active
  • Single Family
  • 5 Beds
  • 4 Full Baths
  • 1 Partial Bath
  • 3,573 Sq. Ft.
  • 3 Car Garage
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Ready to Build YOUR Dream Home with YOUR design ideas & permits in Greenwich's Golden Triangle. This 2.3-acre property/land for a discerning buyer who values beauty, time and predictability. Shovel-Ready with custom architectural work by award-winning Saniee Architects. Full municipal approvals in place for your 10,000 square-foot residence -- save a year typically spent navigating architectural development, design review, and the uncertainty of the approval process- NO ARCHITECTURAL RESTRICTIONS. Spectacular privacy currently hidden by existing house. Architectural design freedom -- no style restrictions, no compromises in approved footprint - bring YOUR design vision to life without regulatory uncertainty, nor delay. Top, prestigious, beautiful land in one of Greenwich's top locations.

Full Property Details for 121 Round Hill Rd

General

  • Price: $4,995,000
  • Taxes: $20,247
  • Status: Active
  • Type: Single Family
  • Source: Greenwich
  • MLS ID: 125639
  • Updated: 9/15/2026
  • Added to Site: 56 day(s) ago

Interior

  • Interior Features: Bookcases
  • Number of Fireplaces: 2

Rooms

Bathrooms

  • Total Bathrooms: 5
  • Full Bathrooms: 4
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 5

Additional Information

  • Pool: Yes
  • Private Pool: Yes
  • Pool Description: Salt Water
  • Security/Safety: Smoke Detector(s)
  • Equipment: Generator

Exterior

  • Porch/Patio/Deck: Terrace

Parking

  • Garage: Yes
  • Garage Spaces: 3

Location

  • Area: 3 - Greenwich
  • County: Fairfield
  • Driving Directions: Take Round Hill Road north. Property on right just below Khakum Association.

School Information

  • Elementary School: Glenville
  • Middle School: Central

Heating & Cooling

  • Central air: Yes
  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Natural Gas, Forced Air
  • Heating Fuel: Gas
  • Water Heater: Electric

Utilities

  • Sewer: Private Sewer
  • Water: Public
  • Utility Description: Cable Connected

Structural Information

  • Architectural Style: Other
  • Construction: Masonry, Stucco
  • Basement Desc.: Walk-Out Access, Finished
  • Roof: Slate, Metal
  • Windows: Double Pane Windows
  • Square Feet: 3,573
  • Sq. Ft. Source: Architect
  • Year Built: 1927

Additional Structures

  • Other Structures: Stable(s)

Lot Features

  • Lot Size (Acres): 2.3
  • Lot Size (Sq. Ft.): 100,188
  • Irrigation System: Sprinkler System
  • Lot Features: Parklike, Stone Wall
  • Zoning: RA-2
  • Lot Description: Stone Wall, Park

Financial Considerations

  • Price Per Sq. Ft.: $1,397.98
  • Tax Amount: $20,247

Disclosures and Reports

  • Exclusions: Call LB
  • Inclusions: Call LB
  • Property ID: 10-1428

Listed by PrimeSites, Inc.

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— 121 Round Hill Rd —

  • PrimeSites, Inc.

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 121 Round Hill Rd

School District:Greenwich School District
NameGradesDistance
Glenville School
33 Riversville Road, Greenwich, CT 06831
K-51.7 mi
Western Middle School
1 Western Junior Highway, Greenwich, CT 06830
6-83.6 mi
Greenwich High School
10 Hillside Road, Greenwich, CT 06830
9-122.5 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 121 Round Hill Rd Get Price Alerts and Save Property

Date
Details
Price
Change
Source
8/07/2026
Listed
$4,995,000
122%
MLS
7/12/2022
Sold
$2,250,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 121 Round Hill Rd

Year
Property Taxes
Change
Tax Assessment
Change
2025
$20,247
3%
$1,681,610
—
2023
$19,692
3%
$1,681,610
—
2023
$19,154
1%
$1,681,610
—
2022
$18,969
—
$1,681,610
1%
2021
$18,969
-1%
$1,660,890
—
2020
$19,250
-1%
$1,660,890
—
2019
$19,399
3%
$1,660,890
—
2018
$18,884
—
$1,660,890
—
2017
$18,884
2%
$1,660,890
—
2016
$18,602
-6%
$1,660,890
-6%
2015
$19,824
3%
$1,759,030
—
2014
$19,297
3%
$1,759,030
—
2013
$18,786
—
$1,759,030
—
2011
$18,786
—
$1,759,030
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 121 Round Hill Rd

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*These costs are estimates, and the interest rates assume exceptional credit standing.

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NMLS#: 1598647

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Listed by PrimeSites, Inc.

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121 Round Hill Road, Greenwich, CT 06831 (MLS# 125639) is a Single Family property with 5 bedrooms, 4 full bathrooms and 1 partial bathroom. 121 Round Hill Road is currently listed for $4,995,000 and was received on August 07, 2026. Want to learn more about 121 Round Hill Road? 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.

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