OFF MARKET

Off Market Nov 2023 for $1.6M

$2,760,725

Est. refi paymentEst. refi $4,994/mo

•

3,787

sq ft

320 Cognewaugh Rd, Cos Cob, CT 06807

About this home

Private, 3,787 sf home on 2 acres in north Cos Cob with two flat lawn areas bordered by historic stone walls. The hardwood floor LR has a fireplace and natural light from the adjacent Mexican tiled sunroom. The house offers one-floor living with 3/4 bedrooms and 4 full baths on the first floor. The primary bedroom has a new Anderson slider that opens to a balcony overlooking the back patio, lawns and woods. On the lower level you will find an open layout family room with new Anderson slider, office and adjacent supply room. The house comes with a two car garage and a 20Kw auto on generator as well as a slate roof. There is plenty of FAR for further expansion and a walk up attic that could be expanded.

Single-familyProperty Type

1947Year Built

2 acresLot Size

$729Est. Price/Sq.Ft.

2 car garageParking

Listed by Mark Pruner • Compass Connecticut, LLC

Listed by Timothy Agro • Compass Connecticut, LLC

Bought with Gideon Fountain • Houlihan Lawrence

Redfin checked: 2 minutes ago

•Source:GMLS #117488

Redfin Estimate

$2,760,725

$1.1M since sold in November 2023$71K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.2% higher than the average sale price ($2.48M) of 6 comparable homes.

SOLD JUL 16, 2026
$2,000,000
A
4 beds3 baths3,399 sq ft
441 Cognewaugh Rd, Cos Cob, CT 06807
SOLD JUL 24, 2026
$2,445,000
B
4 beds4.5 baths3,826 sq ft
681 River Rd, Cos Cob, CT 06807
SOLD JUN 1, 2026
$3,800,000
C
4 beds4.5 baths4,096 sq ft
41 Stone Brook Ln, Cos Cob, CT 06807
SOLD AUG 11, 2026
$1,800,000
D
5 beds4.5 baths4,505 sq ft
147 Highline Trl, Stamford, CT 06902
SOLD MAY 21, 2026
$3,000,000
E
4 beds4.5 baths3,734 sq ft
29 Old Stone Bridge Rd, Cos Cob, CT 06807
SOLD JUL 21, 2026
$1,850,000
F
4 beds3.5 baths3,546 sq ft
86 Dandy Dr, Cos Cob, CT 06807

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Earn from this home

Sell

$1,376,175

Est. take-home

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Refinance

Est. cash available

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Rent

$4,446/mo

Redfin rental estimate

List your home for rent

Market trends in 06807, CT

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.9%

+0.7% MoM

Median sale price

$1.7M

$32K MoM

Avg. days on market

17d

6 days MoM

Recently sold homes

12 MoM

New listings for sale

OPEN SUN, 1PM TO 4PM
$2,850,000
3 beds3.5 baths3,647 sq ft
154 Valley Rd, Cos Cob, CT 06807
NEW 35 HRS AGO
$3,250,000
4 beds7 baths4,074 sq ft
13 Lia Fail Way, Greenwich, CT 06807
Berkshire Hathaway HS NE Prop.
$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
See all

Provided by Redfin

Sale history for 320 Cognewaugh Rd

Date

Event

Price

GMLS #123426

Dec 1, 2025

Rental Removed

$9,500

$3/sq ft

Oct 24, 2025

Price Changed

$9,500

$3/sq ft

Aug 17, 2025

Listed for Rent

$10,500

$3/sq ft

GMLS #119822

Mar 5, 2024

Rental Removed

$8,900

$2/sq ft

Feb 9, 2024

Listed for Rent

$8,900

$2/sq ft

GMLS #117488

Nov 16, 2023

Pending

—

Nov 16, 2023

Sold

$1,612,500

$426/sq ft

Sep 12, 2023

Pending

—

Aug 12, 2023

Contingent

—

Jun 14, 2023

Price Changed

$1,695,000

$448/sq ft

Jan 30, 2023

Listed

$1,795,000

$474/sq ft

GMLS #37047

Nov 14, 1997

Sold

$847,500

$224/sq ft

Apr 2, 1997

Listed

$925,000

$244/sq ft

Public Records

Oct 1, 1990

Sold

$700,000

$185/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$10,906 (+1.0%)

$585,200 + $372,330

$957,530

2022

$10,801 (+6.7%)

$585,200 + $372,330

$957,530

2021

$10,124

$532,000 + $341,530

$873,530

2020

$10,124 (−0.8%)

$532,000 + $341,530

$873,530

2019

$10,203 (+2.7%)

$532,000 + $341,530

$873,530

2018

$9,932

$532,000 + $341,530

$873,530

2017

$9,932 (+1.5%)

$532,000 + $341,530

$873,530

2016

$9,784 (−8.0%)

$532,000 + $341,530

$873,530

2014

$10,631

$836,920 + $132,160

$969,080

Tax history for 320 Cognewaugh Rd

Year

Property tax

Land + Additions

Assessment*

2023

$10,906 (+1.0%)

$585,200 + $372,330

$957,530

2022

$10,801 (+6.7%)

$585,200 + $372,330

$957,530

2021

$10,124

$532,000 + $341,530

$873,530

2020

$10,124 (−0.8%)

$532,000 + $341,530

$873,530

2019

$10,203 (+2.7%)

$532,000 + $341,530

$873,530

2018

$9,932

$532,000 + $341,530

$873,530

2017

$9,932 (+1.5%)

$532,000 + $341,530

$873,530

2016

$9,784 (−8.0%)

$532,000 + $341,530

$873,530

2014

$10,631

$836,920 + $132,160

$969,080

*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

2 Acres

Year renovated

—

Sq. Ft.

3,787

Year built

1947

Style

Single Family Residential

County

Fairfield County

APN

1855658

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2023.

Property details

Parking

Parking and Garage Information
Has Attached Garage
# of Garage Spaces: 2
Parking Features: Garage Door Opener

Interior

Bathroom Information
# of Full Bathrooms: 4
Bathrooms Total Integer: 4
Bathrooms Total Decimal: 4

Heating & Cooling
Has Cooling
Cooling: Central Air
Has Heating
Heating: Natural Gas, Hot Water

Interior Features
Has Fireplace(s)
# of Fireplaces Total: 1
Basement: Partially Finished

Exterior

Property Information
Property Sub-Type: Single Family Residence
Year Built: 1947
Roof: Slate
Construction Materials: Shingle Siding
Security Features: Security System
Other Equipment: Generator
Building Area Total: 3787.0
Building Area Source: Taxcard

Lot Information
Lot Size Area: 2.0
Lot Size Units: Acres
Lot Size Square Feet: 87120.0
Lot Size Acres: 2.0
Zoning: RA-2

Financial

Tax Information
Tax Annual Amount: $10,909.13
Tax Assessed Value: $957,530

Utilities

Utilities Information
Sewer: Septic Tank
Water Source: Well

Location

School Information
Elementary School: North Street
Middle Or Junior School: Central

Public facts

Beds: 3
Baths: 4.0
Sq. Ft.: 3,787
Stories: 1.0
Lot Size: 2 acres
Style: Single Family Residential
Year Built: 1947
Year Renovated: —
County: Fairfield County
APN: 1855658

Home facts updated by county records on Jul 12, 2023

Around this home

Schools

North Street School

Public PreK-5 • Assigned • 1.9mi

9/10

Central Middle School

Public 6-8 • Assigned • 1.9mi

8/10

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, 15 days in 30 years

6/10 Wind Factor

64% 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

$2.62M – $3.18M

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Nearby similar homes

NEW 35 HRS AGO

$3,250,000

4 beds7 baths4,074 sq ft

13 Lia Fail Way, Greenwich, CT 06807

Berkshire Hathaway HS NE Prop.

OPEN SUN, 1PM TO 4PM

$2,750,000

4 beds4 baths3,150 sq ft

316 Valley Rd, Cos Cob, CT 06807

$1,469,000

4 beds2.5 baths1,750 sq ft

5 Griffith Rd, Riverside, CT 06878

$1,895,000

4 beds3 baths3,597 sq ft

28 Gregory Rd, Cos Cob, CT 06807

$2,195,000

6 beds4.5 baths10,746 sq ft

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$555,000

6 beds2 baths2,204 sq ft

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New listings for sale in 06807

OPEN SUN, 1PM TO 4PM

$2,850,000

3 beds3.5 baths3,647 sq ft

154 Valley Rd, Cos Cob, CT 06807

NEW 35 HRS AGO

$3,250,000

4 beds7 baths4,074 sq ft

13 Lia Fail Way, Greenwich, CT 06807

Berkshire Hathaway HS NE Prop.

$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

Home values near 320 Cognewaugh Rd

Data from public records.

Address	Redfin Estimate
340 Cognewaugh Rd, Cos Cob, CT 4 Beds \| 5.5 Baths \| 6400 Sq. Ft.	$4,616,472
330 Cognewaugh Rd, Cos Cob, CT 4 Beds \| 2 Baths \| 1658 Sq. Ft.	$1,001,854

Address	Redfin Estimate
333 Cognewaugh Rd, Cos Cob, CT 3 Beds \| 2 Baths \| 3151 Sq. Ft.	$1,930,908
329 Cognewaugh Rd, Cos Cob, CT 4 Beds \| 3 Baths \| 2651 Sq. Ft.	$2,171,686

Address	Redfin Estimate
288 Cognewaugh Rd, Cos Cob, CT 4 Beds \| 2.5 Baths \| 3255 Sq. Ft.	$2,347,746
323 Cognewaugh Rd, Cos Cob, CT 5 Beds \| 6 Baths \| 6400 Sq. Ft.	$5,456,667

Property information provided by GMLS when last listed in 2025. This data may not match . Learn more.

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