Google street view image for 420 Round Hill Rd, Greenwich, CT 06831

Off market sep 1987 for $3.7M

$5,034,422

Est. refi paymentEst. refi $22,289/mo

•

6.5 ba

•

9,435

sq ft

420 Round Hill Rd, Greenwich, CT 06831

About this home

420 Round Hill Rd is a 9,435 square foot house on a 4 acre lot with 7 bedrooms and 6.5 bathrooms. - it last sold on September 08, 1987 for $3,700,000. Based on Redfin's Greenwich data, we estimate the home's value is $5,034,422.

Single-familyProperty Type

1924Year Built

4 acresLot Size

$534Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$5,034,422

$1.3M since sold in September 1987$2.9M since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.9% higher than the average sale price ($4.99M) of 6 comparable homes.

SOLD JUL 24, 2026
$3,800,000
A
7 beds7 baths9,267 sq ft
43 Sterling Rd, Greenwich, CT 06831
SOLD JUL 6, 2026
$6,700,000
B
9 beds6.5 baths6,841 sq ft
78 Khakum Wood Rd, Greenwich, CT 06831
SOLD SEP 18, 2026
$5,175,000
C
5 beds6 baths8,082 sq ft
583 Lake Ave, Greenwich, CT 06830
SOLD FEB 27, 2026
$4,650,000
D
6 beds6.5 baths7,168 sq ft
17 Will Merry 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 DEC 18, 2025
$4,950,000
F
6 beds7 baths7,447 sq ft
79 Richmond Hill Rd, Greenwich, CT 06831

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Earn from this home

Sell

$4,743,361

Est. take-home

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Refinance

Est. cash available

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Rent

$4,825/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

103.0%

0.9% MoM

Median sale price

$2.7M

$174K MoM

Avg. days on market

31d

3 days MoM

Recently sold homes

6 MoM

New listings for sale

COMING SOON
$10,950,000
6 beds6.5 baths7,400 sq ft
15 Zaccheus Mead Ln, Greenwich, CT 06831
NEW 29 HRS AGO
$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
COMING SOON
$749,000
2 beds2 baths911 sq ft
2 Homestead Ln #407, 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
$1,750,000
4 beds3 baths2,282 sq ft
20 Thistle Ln, Greenwich, CT 06831
3D WALKTHROUGH
$3,100,000
5 beds3.5 baths3,791 sq ft
90 Taconic Rd, Greenwich, CT 06831
See all

Provided by Redfin

Sale history for 420 Round Hill Rd

Year

Property tax

Land + Additions

Assessment*

2023

$35,297 (+1.0%)

$1,408,750 + $1,690,220

$3,098,970

2022

$34,956 (−0.9%)

$1,408,750 + $1,690,220

$3,098,970

2021

$35,290

$1,225,000 + $1,819,860

$3,044,860

2020

$35,290 (−0.8%)

$1,225,000 + $1,819,860

$3,044,860

2019

$35,564 (+2.7%)

$1,225,000 + $1,819,860

$3,044,860

2018

$34,620 (−2.2%)

$1,225,000 + $1,819,860

$3,044,860

2017

$35,416 (+5.7%)

$1,225,000 + $1,889,860

$3,114,860

2016

$33,491 (+8.4%)

$1,225,000 + $1,765,260

$2,990,260

2014

$30,893

$1,359,750 + $1,456,420

$2,816,170

Tax history for 420 Round Hill Rd

Year

Property tax

Land + Additions

Assessment*

2023

$35,297 (+1.0%)

$1,408,750 + $1,690,220

$3,098,970

2022

$34,956 (−0.9%)

$1,408,750 + $1,690,220

$3,098,970

2021

$35,290

$1,225,000 + $1,819,860

$3,044,860

2020

$35,290 (−0.8%)

$1,225,000 + $1,819,860

$3,044,860

2019

$35,564 (+2.7%)

$1,225,000 + $1,819,860

$3,044,860

2018

$34,620 (−2.2%)

$1,225,000 + $1,819,860

$3,044,860

2017

$35,416 (+5.7%)

$1,225,000 + $1,889,860

$3,114,860

2016

$33,491 (+8.4%)

$1,225,000 + $1,765,260

$2,990,260

2014

$30,893

$1,359,750 + $1,456,420

$2,816,170

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

Property details

Interior

Basement Information
Basement Sq. Ft: 2,786
Basement Type: Partial

Bathroom Information
# of Full Baths: 6
# of 1/2 Baths: 1

Heating & Cooling
Heating Type: Forced Hot Water

Room Information
# of Rooms: 22

Exterior

Exterior Information
Physical Condition: Very Good
Building Style Type: Colonial
Construction Type: Brick
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable

Pool Information
Pool Type: Inground
Has Pool

Property Information
Living Sq. Ft: 9,435
# of Stories: 3

Lot Information
# of Buildings: 1
Land Sq. Ft: 174,240
Municipality Name: GREENWICH
Acres: 4
Zoning Code: RA-4
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2023

Public facts

Beds: 7
Baths: 6.5
Sq. Ft.: 9,435
Stories: 3.0
Lot Size: 4 acres
Style: Single Family Residential
Year Built: 1924
Year Renovated: —
County: Fairfield County
APN: 1847759

Home facts updated by county records on Jul 12, 2023

Around this home

Schools

Parkway School

Public K-5 • Assigned • 1.2mi

10/10

Western Middle School

Public 6-8 • Assigned • 6.2mi

8/10

Greenwich High School

Public 9-12 • Assigned • 4.9mi

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

3/10 Fire Factor

0.31% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 98° expected this year, 15 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

$4.78M – $5.79M

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Nearby similar homes

NEW 35 HRS AGO

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7 beds9.5 baths15,896 sq ft

86 Howard Rd, Greenwich, CT 06831

$12,900,000

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VIDEO TOUR

$30,000,000

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New listings for sale in 06831

COMING SOON

$10,950,000

6 beds6.5 baths7,400 sq ft

15 Zaccheus Mead Ln, Greenwich, CT 06831

NEW 29 HRS AGO

$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

COMING SOON

$749,000

2 beds2 baths911 sq ft

2 Homestead Ln #407, 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

$1,750,000

4 beds3 baths2,282 sq ft

20 Thistle Ln, Greenwich, CT 06831

Home values near 420 Round Hill Rd

Data from public records.

Address	Redfin Estimate
444 Round Hill Road, Greenwich, CT 5 Beds \| 8 Baths \| 9495 Sq. Ft.	$6,737,042
409 Round Hill Road, Greenwich, CT 5 Beds \| 5.5 Baths \| 5472 Sq. Ft.	$7,817,255

Address	Redfin Estimate
396 Round Hill Road, Greenwich, CT 6 Beds \| 8.5 Baths \| 11150 Sq. Ft.	$11,190,365
434 Round Hill Road, Greenwich, CT 6 Beds \| 4.5 Baths \| 6467 Sq. Ft.	$7,027,969

Address	Redfin Estimate
415 Round Hill Road, Greenwich, CT 5 Beds \| 5 Baths \| 5725 Sq. Ft.	$5,915,832
414 Round Hill Road, Greenwich, CT 6 Beds \| 8 Baths \| 12293 Sq. Ft.	$12,488,609

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