OFF MARKET

Off market feb 2016 for $900K

$1,469,009

•

1,430

sq ft

21 Sinawoy Rd, Cos Cob, CT 06807

About this home

Location, Location, Location! Excellent Investment / Redevelopment Opportunity in the Heart of Cos Cob. 0.2820 Acre in size, level, almost rectangle in shape, corner lot, in a residential R7 zone, allowing for over 4,400 FAR construction. Existing structures comprise of a two story plus unfinished attic and full basement, approximately 1,430 sq. ft in size, 3 bedroom 2 bathroom single family house, detached 2 car garage, as well as a small shed in the corner of the lot. Renovate, Renovate+Expand, or Build New. Comprehensive investment strategy, including planning, architectural design and construction management services, can be ordered through Abart Estate, or use your own sources. Sold as is.

Single-familyProperty Type

1893Year Built

0.28 acresLot Size

$1,027Est. Price/Sq.Ft.

2 car garageParking

Listed by Blazej Cichy • Abart Estate LLC

Bought with Suzanne Armstrong • Coldwell Banker Realty

Redfin checked: a few seconds ago

•Source:GMLS #95264

Redfin Estimate

$1,469,009

$569K since sold in February 2016$10K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 16.9% lower than the average sale price ($1.77M) of 6 comparable homes.

SOLD JUL 7, 2026
$1,150,000
A
4 beds2 baths1,954 sq ft
50 Valleywood Rd, Cos Cob, CT 06807
SOLD JUL 31, 2026
$2,503,000
B
3 beds3.5 baths1,839 sq ft
20 Ridge Rd, Cos Cob, CT 06807
SOLD OCT 27, 2025
$1,610,000
C
3 beds2 baths2,096 sq ft
68 Valleywood Rd, Cos Cob, CT 06807
SOLD SEP 2, 2026
$2,150,000
D
3 beds3.5 baths1,820 sq ft
49 Riverside Ave, Riverside, CT 06878
SOLD MAY 11, 2026
$1,395,000
E
3 beds2 baths1,356 sq ft
24 Taylor Dr, Cos Cob, CT 06807
SOLD JUL 31, 2026
$1,800,000
F
4 beds3 baths2,568 sq ft
14 Neil Ln, Riverside, CT 06878

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Earn from this home

Sell

$828,603

Est. take-home

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Rent

$2,953/mo

Redfin rental estimate

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Market trends in 06807, CT

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

105.6%

0.4% MoM

Median sale price

$1.9M

$87K MoM

Avg. days on market

19d

4 days MoM

Recently sold homes

2 MoM

New listings for sale

$3,750,000
5 beds4.5 baths3,983 sq ft
5 Butler St, Cos Cob, CT 06807
$1,495,000
4 beds3 baths2,243 sq ft
4 Tremont St, Greenwich, CT 06807
Mike Parelli Real Estate LLC
See all

Provided by Redfin

Sale history for 21 Sinawoy Rd

Public record

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Sq. Ft.

—

Year built

—

Style

Single Family Residential

County

Fairfield County

APN

08-1571/S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Feb 26, 2020.

Property details

Parking

Parking and Garage Information
Has Garage
# of Garage Spaces: 2

Interior

Bathroom Information
# of Full Bathrooms: 2
Bathrooms Total Integer: 2
Bathrooms Total Decimal: 2

Heating & Cooling
Cooling: None
Has Heating
Heating: Hot Water, Natural Gas

Interior Features
# of Fireplaces Total: 0
Basement: Unfinished

Exterior

Property Information
Property Sub-Type: Single Family Residence
Year Built: 1893
Roof: Asphalt
Construction Materials: Shingle Siding
Other Structures: Shed(s)
Building Area Total: 1430.0
Building Area Source: Taxcard

Lot Information
Lot Features: Corner, Level
Lot Size Area: 0.28
Lot Size Units: Acres
Lot Size Square Feet: 12196.8
Lot Size Acres: 0.28
Zoning: R-7

Financial

Tax Information
Tax Annual Amount: $5,757
Tax Assessed Value: $485,310

Utilities

Utilities Information
Sewer: Public Sewer
Water Source: Public

Location

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

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: —
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Fairfield County
APN: 08-1571/S

Home facts updated by county records on Feb 26, 2020

Around this home

Schools

Cos Cob School

Public PreK-5 • Assigned • 0.1mi

6/10

Central Middle School

Public 6-8 • Assigned • 0.6mi

8/10

Greenwich High School

Public 9-12 • Assigned • 0.6mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

4/10 Flood Factor

Estimated 16-24% 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

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

$1.40M – $1.69M

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Nearby similar homes

$1,429,000

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New listings for sale in 06807

$3,750,000

5 beds4.5 baths3,983 sq ft

5 Butler St, Cos Cob, CT 06807

$1,495,000

4 beds3 baths2,243 sq ft

4 Tremont St, Greenwich, CT 06807

Mike Parelli Real Estate LLC

Home values near 21 Sinawoy Rd

Data from public records.

Address	Redfin Estimate
22 Sinawoy Rd, Cos Cob, CT 3 Beds \| 1.5 Baths \| 1545 Sq. Ft.	$1,364,713
25 Sinawoy Rd, Cos Cob, CT 5 Beds \| 2 Baths \| 1717 Sq. Ft.	$1,662,861

Address	Redfin Estimate
24 Sinawoy Rd, Cos Cob, CT 3 Beds \| 1 Baths \| 1404 Sq. Ft.	$1,611,183
30 Sinawoy Rd, Cos Cob, CT 3 Beds \| 2.5 Baths \| 1832 Sq. Ft.	$1,806,339

Address	Redfin Estimate
19 Sinawoy Rd, Cos Cob, CT 2 Beds \| 1.5 Baths \| 880 Sq. Ft.	$1,117,446
27 Sinawoy Rd, Cos Cob, CT 3 Beds \| 1 Baths \| 1306 Sq. Ft.	$1,313,830

Property information provided by GMLS when last listed in 2016. This data may not match . Learn more.

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