Off Market Sep 1999 for $1M

$3,894,853

Est. refi paymentEst. refi $5,017/mo

•

3,973

sq ft

51 Harding Rd, Old Greenwich, CT 06870

About this home

Single-familyProperty Type

1989Year Built

10,454 sq ftLot Size

$980Est. Price/Sq.Ft.

2 car garageParking

Listed by Joanne Edwards • Prudential CT Realty

Bought with Geraldine Slavin • Smith, Hekker & Collins, Inc.

Redfin checked: a few seconds ago

•Source:GMLS #43201

Redfin Estimate

$3,894,853

$2.8M since sold in September 1999$286K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.9% lower than the average sale price ($4.42M) of 6 comparable homes.

SOLD MAY 15, 2026
$4,325,000
A
5 beds4.5 baths4,500 sq ft
30 Park Ave, Old Greenwich, CT 06870
SOLD JUN 30, 2026
$4,550,000
B
5 beds6.5 baths5,428 sq ft
2 Potter Dr, Old Greenwich, CT 06870
SOLD JUN 30, 2026
$4,667,000
C
5 beds6.5 baths4,644 sq ft
73 Lockwood Rd, Riverside, CT 06878
SOLD JUL 1, 2026
$4,750,000
D
5 beds4.5 baths3,705 sq ft
410 Sound Beach Ave, Old Greenwich, CT 06870
SOLD MAY 21, 2026
$2,735,000
E
5 beds3.5 baths2,729 sq ft
153 Lockwood Rd, Riverside, CT 06878
SOLD JUN 4, 2026
$5,500,001
F
5 beds4.5 baths4,600 sq ft
49 Willow Rd, Riverside, CT 06878

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Earn from this home

Sell

$3,522,204

Est. take-home

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Refinance

Est. cash available

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Rent

$4,466/mo

Redfin rental estimate

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Market trends in 06870, CT

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

108.9%

+2.6% MoM

Median sale price

$2.7M

$508K MoM

Avg. days on market

13d

4 days MoM

Recently sold homes

8 MoM

Provided by Redfin

Sale history for 51 Harding Rd

Year

Property tax

Land + Additions

Assessment*

2023

$15,898 (+0.9%)

$643,860 + $722,400

$1,366,260

2022

$15,753 (+5.9%)

$643,860 + $722,400

$1,366,260

2021

$14,872 (+0.2%)

$549,570 + $685,650

$1,235,220

2020

$14,847 (−1.0%)

$549,570 + $685,650

$1,235,220

2019

$14,996 (+2.3%)

$549,500 + $685,720

$1,235,220

2018

$14,662 (−1.2%)

$549,500 + $685,720

$1,235,220

2017

$14,846 (+1.6%)

$549,500 + $685,720

$1,235,220

2016

$14,611 (+29.4%)

$549,500 + $685,720

$1,235,220

2014

$11,288

$527,940 + $443,100

$971,040

Tax history for 51 Harding Rd

Year

Property tax

Land + Additions

Assessment*

2023

$15,898 (+0.9%)

$643,860 + $722,400

$1,366,260

2022

$15,753 (+5.9%)

$643,860 + $722,400

$1,366,260

2021

$14,872 (+0.2%)

$549,570 + $685,650

$1,235,220

2020

$14,847 (−1.0%)

$549,570 + $685,650

$1,235,220

2019

$14,996 (+2.3%)

$549,500 + $685,720

$1,235,220

2018

$14,662 (−1.2%)

$549,500 + $685,720

$1,235,220

2017

$14,846 (+1.6%)

$549,500 + $685,720

$1,235,220

2016

$14,611 (+29.4%)

$549,500 + $685,720

$1,235,220

2014

$11,288

$527,940 + $443,100

$971,040

*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

5.5

Stories

Lot width

—

Lot depth

—

Lot size

10,454 Sq. Ft.

Year renovated

—

Sq. Ft.

3,773

Year built

1990

Style

Single Family Residential

County

Fairfield County

APN

1857474

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: 2
Parking Features: Garage Door Opener

Interior

Bathroom Information
# of Full Bathrooms: 5
# of Half Bathrooms: 1
Bathrooms Total Integer: 6
Bathrooms Total Decimal: 5.5

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

Interior Features
Interior Features: Kitchen Island, Wet Bar
Has Fireplace(s)
# of Fireplaces Total: 2
Basement: Partially Finished

Exterior

Exterior Features
Patio And Porch Features: Terrace

Property Information
Property Sub-Type: Single Family Residence
Year Built: 1989
Year Built Effective: 1995
Roof: Asphalt
Construction Materials: Clapboard
Security Features: Security System
Other Equipment: Intercom
Building Area Total: 3973.0
Building Area Source: Taxcard

Lot Information
Lot Features: Level
Lot Size Area: 0.24
Lot Size Units: Acres
Lot Size Square Feet: 10454.4
Lot Size Acres: 0.24
Zoning: R-7

Financial

Tax Information
Tax Annual Amount: $8,140
Tax Assessed Value: $438,830

Utilities

Utilities Information
Sewer: Public Sewer
Water Source: Public

Location

School Information
Elementary School: Old Greenwich
Middle Or Junior School: Eastern

Public facts

Beds: 4
Baths: 5.5
Sq. Ft.: 3,773
Stories: 2.0
Lot Size: 10,454 square feet
Style: Single Family Residential
Year Built: 1990
Year Renovated: —
County: Fairfield County
APN: 1857474

Home facts updated by county records on Jul 12, 2023

Around this home

Schools
Places
Transit

International School At Dundee

Public K-5 • Assigned • 1.1mi

10/10

Eastern Middle School

Public 6-8 • Assigned • 1.0mi

10/10

Greenwich High School

Public 9-12 • Assigned • 2.5mi

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

6/10 Heat Factor

7 days above 98° expected this year, 16 days in 30 years

6/10 Wind Factor

72% chance of strong winds in next 30 years

6/10 Air Factor

9 unhealthy days expected this year, 13 days in 30 years

Provided by First Street

Historical weather

Old Greenwich, CT • 06870

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

$3.70M – $4.48M

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Nearby similar homes

$13,500,000

4 beds6 baths7,142 sq ft

16 Indian Point Ln, Riverside, CT 06878

$2,999,000

6 beds5.5 baths4,300 sq ft

20 Sound Beach Ave, Old Greenwich, CT 06870

$2,750,000

4 beds4 baths3,150 sq ft

316 Valley Rd, Cos Cob, CT 06807

$9,875,000

5 beds5.5 baths6,723 sq ft

203 Shore Rd, Old Greenwich, CT 06870

$13,500,000

5 beds4 baths3,330 sq ft

22 Northway, Old Greenwich, CT 06870

$1,340,000

3 beds2.5 baths1,668 sq ft

86 Sound Beach Ave Ext, Riverside, CT 06878

Home values near 51 Harding Rd

Data from public records.

Address	Redfin Estimate
43 Harding Rd, Old Greenwich, CT 5 Beds \| 4.5 Baths \| 4900 Sq. Ft.	$4,182,890
45 Harding Rd, Old Greenwich, CT 4 Beds \| 3.5 Baths \| 3241 Sq. Ft.	$3,519,941

Address	Redfin Estimate
41 Harding Rd, Old Greenwich, CT 4 Beds \| 5.5 Baths \| 5319 Sq. Ft.	$4,467,903
49 Harding Rd, Old Greenwich, CT 5 Beds \| 3.5 Baths \| 3717 Sq. Ft.	$3,408,896

Address	Redfin Estimate
47 Harding Rd, Old Greenwich, CT 5 Beds \| 5.5 Baths \| 3329 Sq. Ft.	$3,725,953
67 Harding Rd, Old Greenwich, CT 4 Beds \| 1.5 Baths \| 1170 Sq. Ft.	$2,471,716

Property information provided by GMLS when last listed in 1999. This data may not match . Learn more.

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