OFF MARKET

Off market jul 2015 for $3.2M

$4,782,379

Est. refi paymentEst. refi $14,699/mo

•

5,539

sq ft

520 Cognewaugh Rd, Cos Cob, CT 06807

About this home

OUTSTANDING SHINGLE STYLE WITH ARTS & CRAFTS INTERIOR JUST OFF STANWICH RD. GREAT SPACE & LAYOUT. BEAUTIFUL 2.95 AC PROP W/ POOL, POOLHOUSE & PLAY COURT. 2 STORY ENTRY, SUPER KIT OPENS TO FAM RM W/ STONE FP. 1ST FLR DEN W/ FP, 3RD FLR OFFICE, FAB MBR W/ TRAY CEIL & FP. LRG MUDRM & BACKSTAIRS. HUGE 5TH BDRM PRESENTLY USED AS BONUS RM OVER 3 CAR GARAGE. PART FIN WALKOUT BASEMENT WITH FP. SUNNY SOUTH FACING PATIO OVERLOOKING LEVEL, BEAUTIFULLY LANDSCAPED PROPERTY.

Single-familyProperty Type

2000Year Built

2.95 acresLot Size

$863Est. Price/Sq.Ft.

3 car garageParking

Listed by Rick Loh • Houlihan Lawrence

Bought with Paulette Pipher • William Raveis Real Estate

Redfin checked: 2 minutes ago

•Source:GMLS #90200

Redfin Estimate

$4,782,379

$1.6M since sold in July 2015$43K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 22% higher than the average sale price ($3.92M) of 6 comparable homes.

SOLD JUL 7, 2026
$3,100,000
A
5 beds5.5 baths5,114 sq ft
300 Stanwich Rd, Greenwich, CT 06830
SOLD NOV 2, 2026
$6,800,000
B
5 beds7 baths8,911 sq ft
74 Rock Maple Rd, Greenwich, CT 06830
SOLD JUL 14, 2026
$4,700,000
C
5 beds5.5 baths5,169 sq ft
34 Dunwoodie Pl, Greenwich, CT 06830
SOLD MAY 29, 2026
$3,100,000
D
5 beds4.5 baths5,389 sq ft
399 Stanwich Rd, Greenwich, CT 06830
SOLD SEP 2, 2026
$3,150,000
E
4 beds5.5 baths3,983 sq ft
94 Londonderry Dr, Greenwich, CT 06830
SOLD SEP 15, 2026
$2,675,000
F
4 beds4 baths4,851 sq ft
3 Carriage Rd, Cos Cob, CT 06807

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Earn from this home

Sell

$2,582,786

Est. take-home

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Refinance

Est. cash available

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Rent

$4,476/mo

Redfin rental estimate

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Market trends in 06830, CT

Last updated October 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

101.9%

1.2% MoM

Median sale price

$2.6M

$778 MoM

Avg. days on market

37d

5 days MoM

Recently sold homes

11 MoM

New listings for sale

$3,750,000
5 beds4.5 baths4,000 sq ft
17 Salem St, Cos Cob, CT 06807
3D WALKTHROUGH
$785,000
2 beds2 baths1,287 sq ft
98 Valley Rd #10, Cos Cob, CT 06807
$2,950,000
3 beds3.5 baths2,712 sq ft
19 Daffodil Ln, Cos Cob, CT 06807
See all

Provided by Redfin

Sale history for 520 Cognewaugh Rd

Date

Event

Price

GMLS #90200

Jul 28, 2015

Sold

$3,200,000

$578/sq ft

May 7, 2014

Listed

$3,495,000

$631/sq ft

GMLS #61074

Sep 13, 2005

Listed

$4,750,000

$858/sq ft

GMLS #58789

Feb 1, 2005

Listed

$4,750,000

$858/sq ft

GMLS #45407

Jul 28, 2000

Sold

$3,085,000

$557/sq ft

Jun 12, 2000

Listed

$3,250,000

$587/sq ft

Public Records

May 28, 1999

Sold

$365,000

$66/sq ft

GMLS #40214

May 28, 1999

Sold

$730,000

$132/sq ft

Jun 3, 1998

Listed

$795,000

$144/sq ft

Public Records

Oct 9, 1996

Sold

$330,000

$60/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$25,057 (+1.0%)

$732,480 + $1,467,410

$2,199,890

2022

$24,815 (−6.7%)

$732,480 + $1,467,410

$2,199,890

2021

$26,593

$666,540 + $1,627,920

$2,294,460

2020

$26,593 (−0.8%)

$666,540 + $1,627,920

$2,294,460

2019

$26,799 (+2.7%)

$666,540 + $1,627,920

$2,294,460

2018

$26,088

$666,540 + $1,627,920

$2,294,460

2017

$26,088 (+1.5%)

$666,540 + $1,627,920

$2,294,460

2016

$25,698 (−13.0%)

$666,540 + $1,627,920

$2,294,460

2014

$29,547

$1,112,580 + $1,580,880

$2,693,460

Tax history for 520 Cognewaugh Rd

Year

Property tax

Land + Additions

Assessment*

2023

$25,057 (+1.0%)

$732,480 + $1,467,410

$2,199,890

2022

$24,815 (−6.7%)

$732,480 + $1,467,410

$2,199,890

2021

$26,593

$666,540 + $1,627,920

$2,294,460

2020

$26,593 (−0.8%)

$666,540 + $1,627,920

$2,294,460

2019

$26,799 (+2.7%)

$666,540 + $1,627,920

$2,294,460

2018

$26,088

$666,540 + $1,627,920

$2,294,460

2017

$26,088 (+1.5%)

$666,540 + $1,627,920

$2,294,460

2016

$25,698 (−13.0%)

$666,540 + $1,627,920

$2,294,460

2014

$29,547

$1,112,580 + $1,580,880

$2,693,460

*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

2.95 Acres

Year renovated

—

Sq. Ft.

5,839

Year built

2000

Style

Single Family Residential

County

Fairfield County

APN

1858507

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
Parking Features: Garage Door Opener

Interior

Virtual Tour Information

Bathroom Information
# of Full Bathrooms: 6
# of Half Bathrooms: 2
Bathrooms Total Integer: 8
Bathrooms Total Decimal: 7

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

Interior Features
Interior Features: Sep Shower, Whirlpool Tub, Back Stairs
Has Fireplace(s)
# of Fireplaces Total: 5
Basement: Partially Finished, Walkout

Exterior

Exterior Features
Exterior Features: Rock Garden
Patio And Porch Features: Terrace
Private Pool

Property Information
Property Sub-Type: Single Family Residence
Year Built: 2000
Roof: Shake
Construction Materials: Shingle Siding
Other Structures: Shed(s), Pool House
Other Equipment: Intercom
Building Area Total: 5539.0
Building Area Source: Taxcard

Lot Information
Lot Features: Level, Parklike
Lot Size Area: 2.95
Lot Size Units: Acres
Lot Size Square Feet: 128502.0
Lot Size Acres: 2.95
Zoning: RA-2

Financial

Tax Information
Tax Annual Amount: $29,544.56
Tax Assessed Value: $2,693,460

Utilities

Utilities Information
Utilities: Propane, Cable Connected
Sewer: Septic Tank
Water Source: Well

Location

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

Public facts

Beds: 4
Baths: 7.0
Sq. Ft.: 5,839
Stories: 2.0
Lot Size: 2.95 acres
Style: Single Family Residential
Year Built: 2000
Year Renovated: —
County: Fairfield County
APN: 1858507

Home facts updated by county records on Jul 12, 2023

Around this home

Schools

K - 12
Preschool & daycare

North Street School

Public PreK-5 • Assigned • 2.1mi

10/10

Central Middle School

Public 6-8 • Assigned • 2.5mi

8/10

Greenwich High School

Public 9-12 • Assigned • 3.0mi

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

56% 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

$4.54M – $5.50M

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New listings for sale in 06807

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17 Salem St, Cos Cob, CT 06807

10 foot ceilings • Butler pantry • Sub zero appliances

3D WALKTHROUGH

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98 Valley Rd #10, Cos Cob, CT 06807

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Home values near 520 Cognewaugh Rd

Data from public records.

Address	Redfin Estimate
488 Cognewaugh Road, Cos Cob, CT 3 Beds \| 2.5 Baths \| 1980 Sq. Ft.	$2,458,477
502 Cognewaugh Road, Cos Cob, CT 6 Beds \| 9.5 Baths \| 11000 Sq. Ft.	$6,085,629
533 Cognewaugh Road, Cos Cob, CT 5 Beds \| 3.5 Baths \| 3681 Sq. Ft.	$2,574,468
329 Stanwich Road, Greenwich, CT 4 Beds \| 4.5 Baths \| 4704 Sq. Ft.	$3,814,974
5 Stone Brook Lane, Cos Cob, CT 5 Beds \| 3.5 Baths \| 3896 Sq. Ft.	$2,350,566
357 Stanwich Road, Greenwich, CT 5 Beds \| 3.5 Baths \| 4113 Sq. Ft.	$3,315,051
341 Stanwich Road, Greenwich, CT 4 Beds \| 4.5 Baths \| 4521 Sq. Ft.	$3,580,604

Address	Redfin Estimate
483 Cognewaugh Road, Cos Cob, CT 1 Beds \| 1 Baths \| 784 Sq. Ft.	$1,252,233
505 Cognewaugh Road, Cos Cob, CT 4 Beds \| 4.5 Baths \| 4200 Sq. Ft.	$3,501,477
346 Stanwich Road, Greenwich, CT 4 Beds \| 4.5 Baths \| 3939 Sq. Ft.	$4,077,978
339 Stanwich Road, Greenwich, CT 4 Beds \| 4.5 Baths \| 4244 Sq. Ft.	$3,374,054
12 Cottontail Road, Cos Cob, CT 6 Beds \| 7.5 Baths \| 7329 Sq. Ft.	$5,196,089
12 Stone Brook Lane, Cos Cob, CT 4 Beds \| 4 Baths \| 5713 Sq. Ft.	$4,070,144
15 Stone Brook Lane, Cos Cob, CT 4 Beds \| 2.5 Baths \| 2531 Sq. Ft.	$2,094,645

Address	Redfin Estimate
545 Cognewaugh Road, Cos Cob, CT 5 Beds \| 4.5 Baths \| 3999 Sq. Ft.	$3,384,442
539 Cognewaugh Road, Cos Cob, CT 6 Beds \| 6 Baths \| 5966 Sq. Ft.	$4,300,706
345 Stanwich Road, Greenwich, CT 4 Beds \| 3.5 Baths \| 2808 Sq. Ft.	$2,015,085
336 Stanwich Road, Greenwich, CT 5 Beds \| 5 Baths \| 6549 Sq. Ft.	$3,214,828
2 Stone Brook Lane, Cos Cob, CT 4 Beds \| 2.5 Baths \| 3120 Sq. Ft.	$2,429,570
7 Cottontail Road, Cos Cob, CT 4 Beds \| 4 Baths \| 2836 Sq. Ft.	$2,447,338
9 Cottontail Road, Cos Cob, CT 5 Beds \| 5.5 Baths \| 4587 Sq. Ft.	$3,786,480

Property information provided by GMLS when last listed in 2014. This data may not match . Learn more.

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