OFF MARKET

Off market dec 2020 for $9.2M

$14,013,781

Est. refi paymentEst. refi $62,732/mo

•

10,087

sq ft

586 Round Hill Rd, Greenwich, CT 06831

About this home

Space, serenity and security can be found in the ultimate Greenwich country estate! Custom built in 2009; this home is a masterpiece of details. Noted architect Sam Mitchell and built by Nordic Custom Builder, this home showcases the finest materials, finishes, millwork and more, all presented in a timeless style. Well scaled rooms throughout, 10FT ceilings, Sumptuous Master suite, 5 ensuite bedrooms on the 2nd floor. 3rd floor is a children's paradise with playroom + 2 bedrooms + 2 baths. LL is complete with theater, card room w/ adjacent wine cellar, gym, spa room, ensuite bedroom. Exquisite grounds and landscaping enhance the terraces, pool and sunken/lighted tennis court. Private gated property, sophisticated security, 8-car garage, Elevator. Generator. It's all here!

Single-familyProperty Type

2009Year Built

4 acresLot Size

$1,389Est. Price/Sq.Ft.

8 car garageParking

Listed by Susan Quinn • Sotheby's International Realty

Bought with Julie Church • Houlihan Lawrence

Redfin checked: a few seconds ago

•Source:GMLS #110291

Redfin Estimate

$14,013,781

$4.8M since sold in December 2020$1.9M since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 84.7% higher than the average sale price ($7.59M) of 6 comparable homes.

SOLD AUG 31, 2026
$8,500,000
A
7 beds8.5 baths13,974 sq ft
170 Old Mill Rd, Greenwich, CT 06831
SOLD JAN 26, 2026
$8,450,000
B
7 beds8 baths11,615 sq ft
895 Lake Ave, Greenwich, CT 06831
SOLD JUL 13, 2026
$8,355,000
C
5 beds9 baths8,932 sq ft
22 Partridge Hill Ln, Greenwich, CT 06831
SOLD JUL 21, 2026
$7,200,000
D
7 beds10 baths10,762 sq ft
4 Cherry Blossom Ln, Greenwich, CT 06831
SOLD JUN 16, 2026
$4,650,000
E
5 beds6 baths8,752 sq ft
43 Richmond Hill Rd, Greenwich, CT 06831
SOLD MAY 1, 2026
$8,372,500
F
6 beds7.5 baths9,113 sq ft
13 Wyckham Hill Ln, Greenwich, CT 06831

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Earn from this home

Sell

$6,684,305

Est. take-home

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Refinance

Est. cash available

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Rent

$4,627/mo

Redfin rental estimate

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Market trends in 06831, CT

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.1%

0.8% MoM

Median sale price

$2.6M

$197K MoM

Avg. days on market

30d

4 days MoM

Recently sold homes

5 MoM

New listings for sale

OPEN SUN, 12PM TO 3PM
$5,295,000
5 beds7.5 baths7,048 sq ft
30 Hope Farm Rd, Greenwich, CT 06830
NEW 26 HRS AGO
$48,000,000
3 beds6 baths34,006 sq ft
114 John St, Greenwich, CT 06831
$10,950,000
6 beds6.5 baths7,400 sq ft
15 Zaccheus Mead Ln, Greenwich, CT 06831
OPEN SUN, 12PM TO 2PM
$749,000
2 beds2 baths911 sq ft
2 Homestead Ln #407, Greenwich, CT 06831
$2,350,000
3 beds3 baths2,717 sq ft
7 Flower Ln, Greenwich, CT 06831
$34,995,000
5 beds7.5 baths14,131 sq ft
14 Meadow Ln, Greenwich, CT 06831
$29,900,000
6 beds6.5 baths6,910 sq ft
500 Round Hill Rd, Greenwich, CT 06831
VIDEO TOUR
$30,000,000
5 beds6 baths6,595 sq ft
38-48-58 Quaker Ln, Greenwich, CT 06831
$21,950,000
7 beds9.5 baths11,229 sq ft
11 Skyridge Rd, Greenwich, CT 06831
3D WALKTHROUGH
$6,850,000
8 beds10.5 baths11,300 sq ft
273 Riversville Rd, Greenwich, CT 06831
See all

Provided by Redfin

Sale history for 586 Round Hill Rd

Date

Event

Price

GMLS #110291

Dec 22, 2020

Sold

$9,200,000

$912/sq ft

Nov 23, 2020

Pending

—

Aug 13, 2020

Price Changed

$9,995,000

$991/sq ft

Aug 13, 2020

Price Changed

$995,000

$99/sq ft

Jun 24, 2020

Listed

$11,250,000

$1,115/sq ft

GMLS #101687

May 28, 2019

Price Changed

$11,250,000

$1,115/sq ft

Dec 8, 2017

Listed

$12,250,000

$1,214/sq ft

Smart MLS #99143562

Apr 24, 2017

Listing Removed

—

May 9, 2016

Listed

$12,995,000

$1,288/sq ft

GMLS #96619

May 6, 2016

Listed

$12,995,000

$1,288/sq ft

GMLS #92769

Apr 1, 2015

Listed

$15,495,000

$1,536/sq ft

GMLS #91281

Sep 2, 2014

Listed

$15,495,000

$1,536/sq ft

GMLS #63306

Dec 21, 2006

Sold

$4,500,000

$446/sq ft

May 22, 2006

Listed

$4,995,000

$495/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$73,288 (+1.0%)

$1,408,750 + $5,025,650

$6,434,400

2022

$72,580 (−3.6%)

$1,408,750 + $5,025,650

$6,434,400

2021

$75,308

$1,225,000 + $5,272,680

$6,497,680

2020

$75,308 (−0.8%)

$1,225,000 + $5,272,680

$6,497,680

2019

$75,893 (+2.7%)

$1,225,000 + $5,272,680

$6,497,680

2018

$73,879

$1,225,000 + $5,272,680

$6,497,680

2017

$73,879 (+1.5%)

$1,225,000 + $5,272,680

$6,497,680

2016

$72,774 (+8.9%)

$1,225,000 + $5,272,680

$6,497,680

2014

$66,796

$1,223,810 + $4,865,140

$6,088,950

Tax history for 586 Round Hill Rd

Year

Property tax

Land + Additions

Assessment*

2023

$73,288 (+1.0%)

$1,408,750 + $5,025,650

$6,434,400

2022

$72,580 (−3.6%)

$1,408,750 + $5,025,650

$6,434,400

2021

$75,308

$1,225,000 + $5,272,680

$6,497,680

2020

$75,308 (−0.8%)

$1,225,000 + $5,272,680

$6,497,680

2019

$75,893 (+2.7%)

$1,225,000 + $5,272,680

$6,497,680

2018

$73,879

$1,225,000 + $5,272,680

$6,497,680

2017

$73,879 (+1.5%)

$1,225,000 + $5,272,680

$6,497,680

2016

$72,774 (+8.9%)

$1,225,000 + $5,272,680

$6,497,680

2014

$66,796

$1,223,810 + $4,865,140

$6,088,950

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

4 Acres

Year renovated

—

Sq. Ft.

10,159

Year built

2008

Style

Single Family Residential

County

Fairfield County

APN

1848920

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2023.

Property details

Parking

Parking and Garage Information
Has Garage
# of Garage Spaces: 8
Parking Features: Electric Gate

Interior

Bathroom Information
# of Full Bathrooms: 11
# of Half Bathrooms: 2
Bathrooms Total Integer: 13
Bathrooms Total Decimal: 12

Heating & Cooling
Has Cooling
Cooling: Central A/C
Has Heating
Heating: Forced Air, Oil

Interior Features
Interior Features: Sep Shower, Eat-in Kitchen, Kitchen Island, Elevator
Has Fireplace(s)
# of Fireplaces Total: 10
Basement: Finished

Exterior

Exterior Features
Patio And Porch Features: Screened Porch
Private Pool

Property Information
Property Sub-Type: Single Family Residence
Year Built: 2009
Roof: Wood
Construction Materials: Shingle Siding
Security Features: Security System
Other Equipment: Generator
Building Area Total: 10087.0
Building Area Source: Taxcard

Lot Information
Lot Features: Fenced, Parklike
On Waterfront
Waterfront Features: Pond/Lake
Lot Size Area: 4.0
Lot Size Units: Acres
Lot Size Square Feet: 174240.0
Lot Size Acres: 4.0
Zoning: RA-4

Financial

Tax Information
Tax Annual Amount: $75,308.11
Tax Assessed Value: $6,497,680

Utilities

Utilities Information
Utilities: Propane
Sewer: Septic Tank
Water Source: Well

Location

School Information
Elementary School: Parkway
Middle Or Junior School: Western

Public facts

Beds: 9
Baths: 12.0
Sq. Ft.: 10,159
Stories: 2.0
Lot Size: 4 acres
Style: Single Family Residential
Year Built: 2008
Year Renovated: —
County: Fairfield County
APN: 1848920

Home facts updated by county records on Jul 12, 2023

Around this home

Schools

Parkway School

Public K-5 • Assigned • 1.0mi

10/10

Western Middle School

Public 6-8 • Assigned • 7.6mi

8/10

Greenwich High School

Public 9-12 • Assigned • 6.2mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 Heat Factor

7 days above 98° expected this year, 14 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

4/10 Air Factor

5 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

Greenwich, CT • 06831

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.7 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$13.31M – $16.12M

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Nearby similar homes

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New listings for sale in 06830

OPEN SUN, 12PM TO 3PM

$5,295,000

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30 Hope Farm Rd, Greenwich, CT 06830

NEW 26 HRS AGO

$48,000,000

3 beds6 baths34,006 sq ft

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OPEN SUN, 12PM TO 2PM

$749,000

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2 Homestead Ln #407, Greenwich, CT 06831

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VIDEO TOUR

$30,000,000

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Home values near 586 Round Hill Rd

Data from public records.

Address	Redfin Estimate
575 Round Hill Road, Greenwich, CT 5 Beds \| 7 Baths \| 7100 Sq. Ft.	$7,989,140
585 Round Hill Road, Greenwich, CT 5 Beds \| 6 Baths \| 8136 Sq. Ft.	$4,136,319

Address	Redfin Estimate
591 Round Hill Road, Greenwich, CT 6 Beds \| 8 Baths \| 14500 Sq. Ft.	$7,164,766
595 Round Hill Road, Greenwich, CT 5 Beds \| 5.5 Baths \| - Sq. Ft.	$8,787,229

Address	Redfin Estimate
566 Round Hill Road, Greenwich, CT 7 Beds \| 7.5 Baths \| 10832 Sq. Ft.	$8,459,816
588 Round Hill Road, Greenwich, CT 5 Beds \| 6.5 Baths \| 6864 Sq. Ft.	$4,891,238

Property information provided by GMLS when last listed in 2020. This data may not match . Learn more.

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