SOLD MAY 8, 2026

Off market may 2026 for $775K

$1,333,091

•

941

sq ft

3 Relay Ct, Cos Cob, CT 06807

About this home

Opportunity to enjoy single family living at a price of a condo in the center of Cos Cob, with short distance to all amenities this desirable Greenwich neighborhood has to offer: schools, play grounds, parks, library, shopping and dining, marina, train station. Strong bones, and from what we can tell, newer mechanicals. Interior is awaiting your finishing touches. Possibilities to expand. Property is being sold ''as is''.

Single-familyProperty Type

1920Year Built

3,920 sq ftLot Size

$1,417Est. Price/Sq.Ft.

1 car garageParking

Listed by Blazej Cichy • Abart Estate LLC

Bought with Blazej Cichy • Abart Estate LLC

Redfin checked: 2 minutes ago

•Source:GMLS #122079

Redfin Estimate

$1,333,091

$558K since sold in May 2026$31K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 22% lower than the average sale price ($1.71M) of 6 comparable homes.

SOLD OCT 20, 2026
$2,100,000
A
3 beds2 baths1,739 sq ft
10 Mill Pond Ct, Cos Cob, CT 06807
SOLD SEP 2, 2026
$2,150,000
B
3 beds3.5 baths1,820 sq ft
49 Riverside Ave, Riverside, CT 06878
SOLD OCT 29, 2026
$1,090,000
C
3 beds2 baths2,096 sq ft
17 Cary Rd, Riverside, CT 06878
SOLD JUL 2, 2026
$1,015,000
D
2 beds1 bath853 sq ft
14 Spezzano Dr, Riverside, CT 06878
SOLD JUL 31, 2026
$2,503,000
E
3 beds3.5 baths1,839 sq ft
20 Ridge Rd, Cos Cob, CT 06807
SOLD MAY 11, 2026
$1,395,000
F
3 beds2 baths1,356 sq ft
24 Taylor Dr, Cos Cob, CT 06807

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Earn from this home

Sell

$640,487

Est. take-home

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Rent

$1,771/mo

Redfin rental estimate

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Market trends in 06807, CT

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

105.7%

+0.1% MoM

Median sale price

$1.9M

$28K MoM

Avg. days on market

33d

15 days MoM

Recently sold homes

7 MoM

New listings for sale

OPEN SUN, 12PM TO 3PM
$3,750,000
5 beds4.5 baths4,000 sq ft
17 Salem St, Cos Cob, CT 06807
$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 3 Relay Ct

Year

Property tax

Land + Additions

Assessment*

2023

$5,131 (+0.9%)

$366,450 + $74,480

$440,930

2022

$5,084 (+10.4%)

$366,450 + $74,480

$440,930

2021

$4,606 (+0.2%)

$309,820 + $72,730

$382,550

2020

$4,598 (−1.0%)

$309,820 + $72,730

$382,550

2019

$4,644 (+2.3%)

$309,820 + $72,730

$382,550

2018

$4,541 (−1.2%)

$309,820 + $72,730

$382,550

2017

$4,598 (+1.6%)

$309,820 + $72,730

$382,550

2016

$4,525 (+17.9%)

$309,820 + $72,730

$382,550

2014

$3,838

$299,740 + $30,450

$330,190

Tax history for 3 Relay Ct

Year

Property tax

Land + Additions

Assessment*

2023

$5,131 (+0.9%)

$366,450 + $74,480

$440,930

2022

$5,084 (+10.4%)

$366,450 + $74,480

$440,930

2021

$4,606 (+0.2%)

$309,820 + $72,730

$382,550

2020

$4,598 (−1.0%)

$309,820 + $72,730

$382,550

2019

$4,644 (+2.3%)

$309,820 + $72,730

$382,550

2018

$4,541 (−1.2%)

$309,820 + $72,730

$382,550

2017

$4,598 (+1.6%)

$309,820 + $72,730

$382,550

2016

$4,525 (+17.9%)

$309,820 + $72,730

$382,550

2014

$3,838

$299,740 + $30,450

$330,190

*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

3,920 Sq. Ft.

Year renovated

—

Sq. Ft.

941

Year built

1920

Style

Single Family Residential

County

Fairfield County

APN

1850708

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2023.

Property details

Parking

Parking and Garage Information
# of Garage Spaces: 1

Interior

Bathroom Information
# of Full Bathrooms: 1
Bathrooms Total Integer: 1
Bathrooms Total Decimal: 1

Heating & Cooling
Has Cooling
Cooling: Window Unit(s)
Has Heating
Heating: Natural Gas, Hot Water

Interior Features
# of Fireplaces Total: 0
Basement: Full, Unfinished

Exterior

Exterior Features
Patio And Porch Features: Deck

Property Information
Property Sub-Type: Single Family Residence
Year Built: 1920
Roof: Architectural Shngle
Construction Materials: Vinyl Siding
Building Area Total: 941.0
Building Area Source: Taxcard

Lot Information
Lot Features: Level
Lot Size Area: 0.09
Lot Size Units: Acres
Lot Size Square Feet: 3920.4
Lot Size Acres: 0.09
Zoning: R-7

Financial

Tax Information
Tax Annual Amount: $5,449.45
Tax Assessed Value: $440,930

Utilities

Utilities Information
Water Source: Public

Location

School Information
Elementary School: Cos Cob
Middle Or Junior School: Central

Public facts

Beds: 2
Baths: 1.0
Sq. Ft.: 941
Stories: 1.0
Lot Size: 3,920 square feet
Style: Single Family Residential
Year Built: 1920
Year Renovated: —
County: Fairfield County
APN: 1850708

Home facts updated by county records on Jul 12, 2023

Other

Information For Agents
Special Listing Conditions: Third Party Approval

Around this home

Schools

K - 12
Preschool & daycare

Cos Cob School

Public PreK-5 • Assigned • 0.1mi

8/10

Central Middle School

Public 6-8 • Assigned • 0.8mi

8/10

Greenwich High School

Public 9-12 • Assigned • 0.8mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

6/10 Flood Factor

Estimated 62-76% chance 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, 15 days in 30 years

6/10 Wind Factor

66% 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

Cos Cob, CT • 06807

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

73/ 100

Good sunlight

Sunscore

There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

8.1 hrs

5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.27M – $1.53M

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New listings for sale in 06807

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17 Salem St, Cos Cob, CT 06807

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Home values near 3 Relay Ct

Data from public records.

Address	Redfin Estimate
5 Relay Ct, Cos Cob, CT 4 Beds \| 2 Baths \| 2611 Sq. Ft.	$1,639,464
8 Relay Ct, Cos Cob, CT 3 Beds \| 1.5 Baths \| 1913 Sq. Ft.	$1,364,533
10 Relay Pl Apartment A, Cos Cob, CT 4 Beds \| 2 Baths \| 2049 Sq. Ft.	$1,635,216
2 Relay Ct, Cos Cob, CT 3 Beds \| 1 Baths \| 1069 Sq. Ft.	$945,841
10 Relay Pl, Cos Cob, CT 4 Beds \| 1 Baths \| 2527 Sq. Ft.	$1,871,394
10A Relay Pl, Cos Cob, CT 4 Beds \| 2 Baths \| 2049 Sq. Ft.	$1,589,505
9 Mead Ave, Cos Cob, CT 3 Beds \| 4 Baths \| 2890 Sq. Ft.	—

Address	Redfin Estimate
1 Relay Ct, Cos Cob, CT 3 Beds \| 2 Baths \| 1113 Sq. Ft.	$1,412,355
4 Relay Ct, Cos Cob, CT 3 Beds \| 1 Baths \| 1029 Sq. Ft.	$1,082,365
15 Relay Pl, Cos Cob, CT 4 Beds \| 2.5 Baths \| 8888 Sq. Ft.	$3,110,166
6 Relay Ct, Cos Cob, CT 4 Beds \| 1 Baths \| 1373 Sq. Ft.	$1,260,293
12 Relay Pl, Cos Cob, CT 3 Beds \| 2 Baths \| 1320 Sq. Ft.	$1,667,344
11 Relay Pl, Cos Cob, CT 5 Beds \| 3.5 Baths \| 3771 Sq. Ft.	$2,921,794
13 Mead Ave, Cos Cob, CT 3 Beds \| 2 Baths \| 1489 Sq. Ft.	$1,360,516

Address	Redfin Estimate
19 Relay Pl, Cos Cob, CT 3 Beds \| 2.5 Baths \| 2046 Sq. Ft.	$1,721,185
7 Relay Pl, Cos Cob, CT 6 Beds \| 3 Baths \| - Sq. Ft.	$1,301,476
11 Relay Pl Apartment B, Cos Cob, CT 5 Beds \| 4.5 Baths \| 4438 Sq. Ft.	$2,668,294
14 Relay Pl, Cos Cob, CT 2 Beds \| 2 Baths \| - Sq. Ft.	$1,973,095
11B Relay Pl, Cos Cob, CT 5 Beds \| 4.5 Baths \| 4438 Sq. Ft.	$2,830,426
11A Mead Ave, Cos Cob, CT 4 Beds \| 3.5 Baths \| 2376 Sq. Ft.	$1,741,578

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

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