Off Market Dec 2002 for $1.8M

$3,467,468

Est. refi paymentEst. refi $11,077/mo

•

4,605

sq ft

23 Cat Rock Rd, Cos Cob, CT 06807

About this home

Single-familyProperty Type

1970Year Built

2 acresLot Size

$753Est. Price/Sq.Ft.

2 car garageParking

Listed by Holley Purcell • Coldwell Banker Realty

Bought with Mark Berman • William Raveis Real Estate

Redfin checked: a minute ago

•Source:GMLS #51133

Redfin Estimate

$3,467,468

$1.6M since sold in December 2002$173K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 28.6% higher than the average sale price ($2.70M) of 6 comparable homes.

SOLD JUL 21, 2026
$1,850,000
A
4 beds3.5 baths3,546 sq ft
86 Dandy Dr, Cos Cob, CT 06807
SOLD AUG 20, 2026
$3,330,000
B
4 beds3 baths3,543 sq ft
51 Dandy Dr, Cos Cob, CT 06807
SOLD JUL 7, 2026
$3,000,000
C
4 beds4 baths3,569 sq ft
185 Valley Rd, Cos Cob, CT 06807
SOLD MAY 21, 2026
$3,000,000
D
4 beds4.5 baths3,734 sq ft
29 Old Stone Bridge Rd, Cos Cob, CT 06807
SOLD JUL 24, 2026
$2,445,000
E
4 beds4.5 baths3,826 sq ft
681 River Rd, Cos Cob, CT 06807
SOLD MAY 15, 2026
$2,550,000
F
4 beds4.5 baths4,161 sq ft
150 N Old Stone Bridge Rd, Cos Cob, CT 06807

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Sell

$2,799,351

Est. take-home

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Refinance

Est. cash available

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Rent

$4,659/mo

Redfin rental estimate

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Market trends in 06807, CT

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

106.0%

+2.0% MoM

Median sale price

$2.0M

$320K MoM

Avg. days on market

15d

2 days MoM

Recently sold homes

4 MoM

New listings for sale

OPEN SAT, 1PM TO 3PM
$2,999,000
5 beds4 baths5,042 sq ft
59 Dandy Dr, Cos Cob, CT 06807
$2,195,000
1 bed1.5 baths1,088 sq ft
89 River Rd #304, Cos Cob, CT 06807
OPEN SAT, 12PM TO 2PM
$1,725,000
4 beds3 baths2,364 sq ft
12B Cross Ln, Cos Cob, CT 06807
$2,795,000
4 beds3.5 baths4,088 sq ft
340 Valley Rd #2, Cos Cob, CT 06807
$1,245,000
4 beds2.5 baths1,618 sq ft
88 Loughlin Ave, Cos Cob, CT 06807
$2,499,000
4 beds4 baths2,226 sq ft
7 Sundance Dr, Cos Cob, CT 06807
$2,850,000
3 beds3.5 baths3,647 sq ft
154 Valley Rd, Cos Cob, CT 06807
$3,250,000
4 beds7 baths4,074 sq ft
13 Lia Fail Way, Greenwich, CT 06807
Berkshire Hathaway HS NE Prop.
See all

Provided by Redfin

Sale history for 23 Cat Rock Rd

Year

Property tax

Land + Additions

Assessment*

2023

$13,413 (+1.0%)

$616,000 + $561,610

$1,177,610

2022

$13,283 (−7.4%)

$616,000 + $561,610

$1,177,610

2021

$14,347

$560,000 + $677,880

$1,237,880

2020

$14,347 (−0.8%)

$560,000 + $677,880

$1,237,880

2019

$14,458 (+2.7%)

$560,000 + $677,880

$1,237,880

2018

$14,075

$560,000 + $677,880

$1,237,880

2017

$14,068 (+1.5%)

$560,000 + $677,320

$1,237,320

2016

$13,858 (−7.1%)

$560,000 + $677,320

$1,237,320

2014

$14,916

$933,800 + $425,880

$1,359,680

Tax history for 23 Cat Rock Rd

Year

Property tax

Land + Additions

Assessment*

2023

$13,413 (+1.0%)

$616,000 + $561,610

$1,177,610

2022

$13,283 (−7.4%)

$616,000 + $561,610

$1,177,610

2021

$14,347

$560,000 + $677,880

$1,237,880

2020

$14,347 (−0.8%)

$560,000 + $677,880

$1,237,880

2019

$14,458 (+2.7%)

$560,000 + $677,880

$1,237,880

2018

$14,075

$560,000 + $677,880

$1,237,880

2017

$14,068 (+1.5%)

$560,000 + $677,320

$1,237,320

2016

$13,858 (−7.1%)

$560,000 + $677,320

$1,237,320

2014

$14,916

$933,800 + $425,880

$1,359,680

*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.

3,855

Year built

1970

Style

Single Family Residential

County

Fairfield County

APN

1855988

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

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

Interior Features
Interior Features: Eat-in Kitchen, Entrance Foyer
Has Fireplace(s)
# of Fireplaces Total: 2
Basement: Finished

Exterior

Exterior Features
Patio And Porch Features: Deck

Property Information
Property Sub-Type: Single Family Residence
Year Built: 1970
Roof: Asphalt, Fiberglass
Construction Materials: Clapboard
Other Structures: Gazebo
Building Area Total: 4605.0

Lot Information
Lot Features: Level
On Waterfront
Waterfront Features: Pond/Lake
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: $11,377
Tax Assessed Value: $1,090,810

Utilities

Utilities Information
Utilities: Cable Connected
Sewer: Septic Tank
Water Source: Public

Location

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

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 3,855
Stories: 2.0
Lot Size: 2 acres
Style: Single Family Residential
Year Built: 1970
Year Renovated: —
County: Fairfield County
APN: 1855988

Home facts updated by county records on Jul 12, 2023

Around this home

Schools

North Street School

Public PreK-5 • Assigned • 1.6mi

9/10

Central Middle School

Public 6-8 • Assigned • 1.1mi

8/10

Greenwich High School

Public 9-12 • Assigned • 1.7mi

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 98° expected this year, 14 days in 30 years

6/10 Wind Factor

67% 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

$3.30M – $3.99M

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New listings for sale in 06807

OPEN SAT, 1PM TO 3PM

$2,999,000

5 beds4 baths5,042 sq ft

59 Dandy Dr, Cos Cob, CT 06807

$2,195,000

1 bed1.5 baths1,088 sq ft

89 River Rd #304, Cos Cob, CT 06807

OPEN SAT, 12PM TO 2PM

$1,725,000

4 beds3 baths2,364 sq ft

12B Cross Ln, Cos Cob, CT 06807

$2,795,000

4 beds3.5 baths4,088 sq ft

340 Valley Rd #2, Cos Cob, CT 06807

$1,245,000

4 beds2.5 baths1,618 sq ft

88 Loughlin Ave, Cos Cob, CT 06807

$2,499,000

4 beds4 baths2,226 sq ft

7 Sundance Dr, Cos Cob, CT 06807

$2,850,000

3 beds3.5 baths3,647 sq ft

154 Valley Rd, Cos Cob, CT 06807

$3,250,000

4 beds7 baths4,074 sq ft

13 Lia Fail Way, Greenwich, CT 06807

Berkshire Hathaway HS NE Prop.

Home values near 23 Cat Rock Rd

Data from public records.

Address	Redfin Estimate
21 Cat Rock Road, Cos Cob, CT 6 Beds \| 4.5 Baths \| 3589 Sq. Ft.	$3,513,872
10 Cat Rock Road, Cos Cob, CT 5 Beds \| 4.5 Baths \| 4320 Sq. Ft.	$4,026,351

Address	Redfin Estimate
9 Cat Rock Road, Cos Cob, CT 4 Beds \| 2.5 Baths \| 3134 Sq. Ft.	$2,328,264
24 Cat Rock Road, Cos Cob, CT 4 Beds \| 3 Baths \| 2451 Sq. Ft.	$1,850,802

Address	Redfin Estimate
14 Cat Rock Road, Cos Cob, CT 3 Beds \| 2 Baths \| 1104 Sq. Ft.	$1,928,233
30 Cat Rock Road, Cos Cob, CT 6 Beds \| 7.5 Baths \| 7669 Sq. Ft.	$4,691,410

Property information provided by GMLS when last listed in 2002. This data may not match . Learn more.

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