Google street view image for 21 Field Rd, Cos Cob, CT 06807

Off Market Dec 1989 for $282K

$1,353,700

Est. refi paymentEst. refi $2,006/mo

•

2 ba

•

1,112

sq ft

21 Field Rd, Cos Cob, CT 06807

About this home

21 Field Rd is a 1,112 square foot house on a 0.32 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on December 29, 1989 for $282,000. Based on Redfin's Cos Cob data, we estimate the home's value is $1,353,700.

Single-familyProperty Type

1954Year Built

0.32 acresLot Size

$1,217Est. Price/Sq.Ft.

1 car garageParking

Source:Public Records

Redfin Estimate

$1,353,700

$1.1M since sold in December 1989$4,000 since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 24.9% lower than the average sale price ($1.80M) 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 MAY 11, 2026
$1,395,000
B
3 beds2 baths1,356 sq ft
24 Taylor Dr, Cos Cob, CT 06807
SOLD JUL 1, 2026
$1,645,000
C
3 beds2 baths2,344 sq ft
34 Ridge Rd, Cos Cob, CT 06807
SOLD JUL 23, 2026
$3,000,000
D
4 beds2.5 baths2,618 sq ft
14 Pond Pl, Cos Cob, CT 06807
SOLD JUL 31, 2026
$2,503,000
E
3 beds3.5 baths1,839 sq ft
20 Ridge Rd, Cos Cob, CT 06807
SOLD NOV 20, 2025
$1,125,000
F
3 beds2 baths1,833 sq ft
42 Mead Ave, Cos Cob, CT 06807

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Earn from this home

Sell

$1,273,913

Est. take-home

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Refinance

Est. cash available

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Rent

$2,391/mo

Redfin rental estimate

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Market trends in 06807, CT

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.2%

+1.3% MoM

Median sale price

$1.7M

$147K MoM

Avg. days on market

24d

15 days MoM

Recently sold homes

1 MoM

New listings for sale

OPEN SUN, 1PM TO 3PM
$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
$1,699,000
4 beds3.5 baths3,120 sq ft
24 Harold St Unit B, Cos Cob, CT 06807
$1,739,000
4 beds6 baths2,856 sq ft
49 Harold St, Cos Cob, CT 06807
$759,000
2 beds2 baths1,368 sq ft
453 E Putnam Ave Unit 4G, Cos Cob, CT 06807
See all

Provided by Redfin

Sale history for 21 Field Rd

Year

Property tax

Land + Additions

Assessment*

2023

$6,220 (+0.9%)

$440,090 + $94,430

$534,520

2022

$6,163 (+16.7%)

$440,090 + $94,430

$534,520

2021

$5,283 (+0.2%)

$353,990 + $84,770

$438,760

2020

$5,274 (−1.0%)

$353,990 + $84,770

$438,760

2019

$5,327 (+2.6%)

$353,990 + $84,770

$438,760

2018

$5,190 (−1.2%)

$353,990 + $83,230

$437,220

2017

$5,255 (+1.6%)

$353,990 + $83,230

$437,220

2016

$5,172 (−4.0%)

$353,990 + $83,230

$437,220

2014

$5,387

$407,400 + $56,000

$463,400

Tax history for 21 Field Rd

Year

Property tax

Land + Additions

Assessment*

2023

$6,220 (+0.9%)

$440,090 + $94,430

$534,520

2022

$6,163 (+16.7%)

$440,090 + $94,430

$534,520

2021

$5,283 (+0.2%)

$353,990 + $84,770

$438,760

2020

$5,274 (−1.0%)

$353,990 + $84,770

$438,760

2019

$5,327 (+2.6%)

$353,990 + $84,770

$438,760

2018

$5,190 (−1.2%)

$353,990 + $83,230

$437,220

2017

$5,255 (+1.6%)

$353,990 + $83,230

$437,220

2016

$5,172 (−4.0%)

$353,990 + $83,230

$437,220

2014

$5,387

$407,400 + $56,000

$463,400

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Interior

Basement Information
Basement Sq. Ft: 1,112
Basement Type: Full

Bathroom Information
# of Full Baths: 2

Heating & Cooling
Heating Type: Forced Hot Water

Room Information
# of Rooms: 6

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Ranch
Construction Type: Frame
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable

Property Information
Living Sq. Ft: 1,112
# of Stories: 1

Parking & Garage Information
Parking Type: Basement Garage
Garage / Carport Type: Basement

Lot Information
# of Buildings: 1
Land Sq. Ft: 13,939
Municipality Name: GREENWICH
Acres: 0.32
Zoning Code: R-7
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2023

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,112
Stories: 1.0
Lot Size: 0.32 acres
Style: Single Family Residential
Year Built: 1954
Year Renovated: —
County: Fairfield County
APN: 1850673

Home facts updated by county records on Jul 12, 2023

Around this home

Schools

Cos Cob School

Public PreK-5 • Assigned • 0.2mi

6/10

Central Middle School

Public 6-8 • Assigned • 0.7mi

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

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

6/10 Heat Factor

7 days above 98° expected this year, 15 days in 30 years

6/10 Wind Factor

67% 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

$1.29M – $1.56M

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Nearby similar homes

$9,350,000

6 beds7 baths7,072 sq ft

12 Woodside Rd, Greenwich, CT 06830

$13,500,000

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Houlihan Lawrence Inc.

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$5,600,000

5 beds3.5 baths4,324 sq ft

8 Indian Point Ln, Riverside, CT 06878

$2,750,000

4 beds4 baths3,150 sq ft

316 Valley Rd, Cos Cob, CT 06807

$2,999,000

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New listings for sale in 06807

OPEN SUN, 1PM TO 3PM

$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

$1,699,000

4 beds3.5 baths3,120 sq ft

24 Harold St Unit B, Cos Cob, CT 06807

$1,739,000

4 beds6 baths2,856 sq ft

49 Harold St, Cos Cob, CT 06807

$759,000

2 beds2 baths1,368 sq ft

453 E Putnam Ave Unit 4G, Cos Cob, CT 06807

Home values near 21 Field Rd

Data from public records.

Address	Redfin Estimate
17 Field Rd, Cos Cob, CT 2 Beds \| 1 Baths \| 1402 Sq. Ft.	$1,326,141
34 Field Rd, Cos Cob, CT 4 Beds \| 1.5 Baths \| 1808 Sq. Ft.	$2,042,155

Address	Redfin Estimate
16 Field Rd, Cos Cob, CT 4 Beds \| 4 Baths \| 2502 Sq. Ft.	$1,982,655
22 Field Rd, Cos Cob, CT 4 Beds \| 2 Baths \| 1638 Sq. Ft.	$1,365,462

Address	Redfin Estimate
15 Field Rd, Cos Cob, CT 4 Beds \| 1.5 Baths \| 2240 Sq. Ft.	$2,063,663
19 Field Rd, Cos Cob, CT 4 Beds \| 4 Baths \| 2410 Sq. Ft.	$2,137,592

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