Google street view image for 623 Round Hill Rd, Greenwich, CT 06831

Off market oct 1991 for $575K

$4,678,501

Est. refi paymentEst. refi $3,728/mo

•

3.5 ba

•

5,238

sq ft

623 Round Hill Rd, Greenwich, CT 06831

About this home

623 Round Hill Rd is a 5,238 square foot house on a 2.8 acre lot with 4 bedrooms and 3.5 bathrooms. - it last sold on October 11, 1991 for $575,000. Based on Redfin's Greenwich data, we estimate the home's value is $4,678,501.

Single-familyProperty Type

1994Year Built

2.8 acresLot Size

$893Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$4,678,501

$4.1M since sold in October 1991$137K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 69.4% higher than the average sale price ($2.76M) of 6 comparable homes.

SOLD AUG 13, 2026
$3,269,500
A
4 beds4.5 baths5,477 sq ft
9 Gifford Lake Dr, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD AUG 21, 2026
$3,950,000
B
5 beds5 baths5,163 sq ft
10 Gaston Farm Rd, Greenwich, CT 06831
SOLD JUL 16, 2026
$2,075,000
C
4 beds3.5 baths3,420 sq ft
1 Patriots Farm Pl, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD DEC 19, 2025
$2,500,000
D
4 beds3.5 baths4,936 sq ft
25 Round Hill Rd, Armonk, NY 10504
Listing by Julia B Fee Sothebys Int. Rlty
SOLD AUG 4, 2026
$2,555,000
E
5 beds3.5 baths4,155 sq ft
1 Redbrooke Pl, Armonk, NY 10504
Listing by Julia B Fee Sothebys Int. Rlty
SOLD JUL 14, 2026
$2,225,000
F
4 beds5 baths5,633 sq ft
125 Barn Hill Rd, Greenwich, CT 06831

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Sell

$4,407,870

Est. take-home

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Est. cash available

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Rent

$4,480/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 27 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 623 Round Hill Rd

Year

Property tax

Land + Additions

Assessment*

2023

$28,004 (+1.0%)

$1,176,350 + $1,282,330

$2,458,680

2022

$27,734 (−10.5%)

$1,176,350 + $1,282,330

$2,458,680

2021

$30,972

$1,151,500 + $1,520,820

$2,672,320

2020

$30,972 (−0.8%)

$1,151,500 + $1,520,820

$2,672,320

2019

$31,213 (+2.7%)

$1,151,500 + $1,520,820

$2,672,320

2018

$30,384 (−5.0%)

$1,151,500 + $1,520,820

$2,672,320

2017

$31,976 (+1.5%)

$1,151,500 + $1,660,820

$2,812,320

2016

$31,498 (+25.8%)

$1,151,500 + $1,660,820

$2,812,320

2014

$25,045

$988,050 + $1,295,000

$2,283,050

Tax history for 623 Round Hill Rd

Year

Property tax

Land + Additions

Assessment*

2023

$28,004 (+1.0%)

$1,176,350 + $1,282,330

$2,458,680

2022

$27,734 (−10.5%)

$1,176,350 + $1,282,330

$2,458,680

2021

$30,972

$1,151,500 + $1,520,820

$2,672,320

2020

$30,972 (−0.8%)

$1,151,500 + $1,520,820

$2,672,320

2019

$31,213 (+2.7%)

$1,151,500 + $1,520,820

$2,672,320

2018

$30,384 (−5.0%)

$1,151,500 + $1,520,820

$2,672,320

2017

$31,976 (+1.5%)

$1,151,500 + $1,660,820

$2,812,320

2016

$31,498 (+25.8%)

$1,151,500 + $1,660,820

$2,812,320

2014

$25,045

$988,050 + $1,295,000

$2,283,050

*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: 2,567
Basement Type: Full

Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Room Information
# of Rooms: 10

Exterior

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

Pool Information
Pool Type: Inground
Has Pool

Property Information
Living Sq. Ft: 5,238
# of Stories: 2

Parking & Garage Information
Parking Type: Attached Garage
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 121,968
Municipality Name: GREENWICH
Acres: 2.8
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2023

Public facts

Beds: 4
Baths: 3.5
Sq. Ft.: 5,238
Stories: 2.0
Lot Size: 2.8 acres
Style: Single Family Residential
Year Built: 1994
Year Renovated: —
County: Fairfield County
APN: 1850004

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 • 7.8mi

8/10

Greenwich High School

Public 9-12 • Assigned • 6.3mi

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

6 days above 98° expected this year, 13 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

$4.45M – $5.38M

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Nearby similar homes

NEW 27 HRS AGO

$48,000,000

3 beds6 baths34,006 sq ft

114 John St, Greenwich, CT 06831

OPEN SUN, 11AM TO 1PM

$4,195,000

4 beds4.5 baths5,038 sq ft

108 Perkins Rd, Greenwich, CT 06830

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5 beds4 baths3,782 sq ft

99 Porchuck Rd, Greenwich, CT 06831

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8 beds12.5 baths17,121 sq ft

164 Round Hill Rd, Greenwich, CT 06831

$5,495,000

3 beds4 baths5,304 sq ft

135 & 129 Zaccheus Mead Ln, Greenwich, CT 06831

$3,495,000

4 beds3.5 baths3,236 sq ft

50 Londonderry Dr, Greenwich, CT 06830

New listings for sale in 06830

OPEN SUN, 12PM TO 3PM

$5,295,000

5 beds7.5 baths7,048 sq ft

30 Hope Farm Rd, Greenwich, CT 06830

NEW 27 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

Home values near 623 Round Hill Rd

Data from public records.

Address	Redfin Estimate
591 Round Hill Rd, Greenwich, CT 6 Beds \| 8 Baths \| 14500 Sq. Ft.	$7,164,766
609 Round Hill Rd, Greenwich, CT 4 Beds \| 3 Baths \| 2429 Sq. Ft.	$3,085,924

Address	Redfin Estimate
627 Round Hill Rd, Greenwich, CT 4 Beds \| 3.5 Baths \| 4219 Sq. Ft.	$4,874,156
621 Round Hill Rd, Greenwich, CT 7 Beds \| 8 Baths \| 8656 Sq. Ft.	$6,848,102

Address	Redfin Estimate
595 Round Hill Rd, Greenwich, CT 5 Beds \| 5.5 Baths \| - Sq. Ft.	$8,787,229
615 Round Hill Rd, Greenwich, CT 6 Beds \| 6 Baths \| 7863 Sq. Ft.	$4,279,342

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