OFF MARKET

Off Market Sep 2020 for $3M

$5,051,563

Est. refi paymentEst. refi $17,625/mo

•

5,750

sq ft

651 River Rd, Cos Cob, CT 06807

About this home

Beautifully staged for you to envision your lifestyle in this Exceptional stone & shingle new construction on beautiful one acre property. It boasts 10 ft ceiling height on first floor & 9 ft ceiling height on second floor. Formal rooms flow to casual spaces, featuring lighted tray ceilings in dining room and master suite, custom built-ins in paneled office, 3 fireplaces, 2 family rooms, gourmet kitchen with expansive island & breakfast nook. A must see!

Single-familyProperty Type

2020Year Built

1 acresLot Size

$879Est. Price/Sq.Ft.

3 car garageParking

Listed by Gi Gi Melillo • Sotheby's International Realty

Bought with Alison Leigh • BHHS New England Properties

Redfin checked: a few seconds ago

•Source:GMLS #108725

Redfin Estimate

$5,051,563

$2.0M since sold in September 2020$2,000 since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 66% higher than the average sale price ($3.04M) of 6 comparable homes.

SOLD JUL 16, 2026
$4,000,000
A
5 beds4.5 baths4,916 sq ft
27 Cognewaugh Rd, Cos Cob, CT 06807
SOLD JUN 29, 2026
$3,525,000
B
5 beds3.5 baths5,213 sq ft
12 Ricki Beth Ln, Old Greenwich, CT 06870
SOLD JUN 26, 2026
$3,314,000
C
5 beds4 baths4,777 sq ft
2 Daffodil Ln, Cos Cob, CT 06807
SOLD MAY 15, 2026
$2,550,000
D
4 beds4.5 baths4,161 sq ft
150 N Old Stone Bridge Rd, Cos Cob, CT 06807
SOLD AUG 7, 2026
$1,875,000
E
4 beds4.5 baths4,391 sq ft
37 W Rock Trl, Stamford, CT 06902
SOLD MAY 21, 2026
$3,000,000
F
4 beds4.5 baths3,734 sq ft
29 Old Stone Bridge Rd, Cos Cob, CT 06807

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Earn from this home

Sell

$2,588,519

Est. take-home

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Refinance

Est. cash available

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Rent

$4,565/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

New listings for sale

OPEN SUN, 1PM TO 3PM
$1,379,000
2 beds2.5 baths1,732 sq ft
115 River Rd #5, Cos Cob, CT 06807
$869,500
2 beds3 baths1,428 sq ft
49 Harold St #2, Cos Cob, CT 06807
$869,500
2 beds3 baths1,428 sq ft
49 Harold St #1, Cos Cob, CT 06807
$1,800,000
3 beds2.5 baths2,550 sq ft
55 Cos Cob Ave, Cos Cob, CT 06807
$1,699,000
4 beds3.5 baths3,120 sq ft
24 Harold St Unit B, Cos Cob, CT 06807
$1,739,000
4 beds6 baths2,856 sq ft
49 Harold St, Cos Cob, CT 06807
$759,000
2 beds2 baths1,368 sq ft
453 E Putnam Ave Unit 4G, Cos Cob, CT 06807
See all

Provided by Redfin

Sale history for 651 River Rd

Tax history for 651 River Rd

*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

1.14 Acres

Year renovated

—

Sq. Ft.

5,656

Year built

2018

Style

Single Family Residential

County

Fairfield County

APN

2613871

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: 3

Interior

Virtual Tour Information

Bathroom Information
# of Full Bathrooms: 3
# of Half Bathrooms: 2
Bathrooms Total Integer: 5
Bathrooms Total Decimal: 4

Heating & Cooling
Has Cooling
Cooling: Central A/C
Has Heating
Heating: Propane

Interior Features
Interior Features: Sep Shower, Kitchen Island, Back Stairs, Cat 5/6 Wiring, Entrance Foyer
Has Fireplace(s)
# of Fireplaces Total: 3
Basement: Unfinished

Exterior

Exterior Features
Exterior Features: Balcony
Patio And Porch Features: Terrace

Property Information
Property Sub-Type: Single Family Residence
Year Built: 2020
Roof: Slate
Construction Materials: Shingle Siding
Security Features: Security System, Smoke Detector(s)
Building Area Total: 5750.0
Building Area Source: Architect

Lot Information
Lot Features: Rolling, Stone Wall
Lot Size Area: 1.0
Lot Size Units: Acres
Lot Size Square Feet: 43560.0
Lot Size Acres: 1.0
Zoning: RA-1

Utilities

Utilities Information
Utilities: Propane
Sewer: Public Sewer
Water Source: Well

Location

School Information
Elementary School: North Mianus
Middle Or Junior School: Eastern

Public facts

Beds: 6
Baths: 6.0
Sq. Ft.: 5,656
Stories: 2.0
Lot Size: 1.14 acres
Style: Single Family Residential
Year Built: 2018
Year Renovated: —
County: Fairfield County
APN: 2613871

Home facts updated by county records on Jul 13, 2023

Around this home

Schools

North Mianus School

Public K-5 • Assigned • 0.7mi

9/10

Eastern Middle School

Public 6-8 • Assigned • 2.3mi

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

5/10 Heat Factor

7 days above 99° expected this year, 16 days in 30 years

6/10 Wind Factor

66% 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

Cos Cob, CT • 06807

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

$4.80M – $5.81M

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Nearby similar homes

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New listings for sale in 06807

OPEN SUN, 1PM TO 3PM

$1,379,000

2 beds2.5 baths1,732 sq ft

115 River Rd #5, Cos Cob, CT 06807

$869,500

2 beds3 baths1,428 sq ft

49 Harold St #2, Cos Cob, CT 06807

$869,500

2 beds3 baths1,428 sq ft

49 Harold St #1, Cos Cob, CT 06807

$1,800,000

3 beds2.5 baths2,550 sq ft

55 Cos Cob Ave, Cos Cob, CT 06807

$1,699,000

4 beds3.5 baths3,120 sq ft

24 Harold St Unit B, Cos Cob, CT 06807

$1,739,000

4 beds6 baths2,856 sq ft

49 Harold St, Cos Cob, CT 06807

$759,000

2 beds2 baths1,368 sq ft

453 E Putnam Ave Unit 4G, Cos Cob, CT 06807

Home values near 651 River Rd

Data from public records.

Address	Redfin Estimate
687 River Road, Cos Cob, CT 4 Beds \| 4 Baths \| 3025 Sq. Ft.	$2,791,498
664 River Road, Cos Cob, CT 3 Beds \| 2.5 Baths \| 3312 Sq. Ft.	$2,535,364

Address	Redfin Estimate
681 River Road, Cos Cob, CT 4 Beds \| 4.5 Baths \| 3826 Sq. Ft.	$2,724,906
659 River Road, Cos Cob, CT 5 Beds \| 5.5 Baths \| 5485 Sq. Ft.	$4,132,209

Address	Redfin Estimate
656 River Road, Cos Cob, CT 3 Beds \| 2 Baths \| 1921 Sq. Ft.	$1,795,277
682 River Road, Cos Cob, CT 5 Beds \| 2.5 Baths \| 3437 Sq. Ft.	$3,005,538

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

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