OFF MARKET
Google street view image for 428 Valley Rd, Cos Cob, CT 06807
Off market jan 2006 for $855K
$1,934,297
Est. refi paymentEst. refi $3,977/mo
3
bd
•
2 ba
•
2,997
sq ft

428 Valley Rd, Cos Cob, CT 06807

map-entry

About this home

428 Valley Rd is a 2,997 square foot house on a 0.28 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on January 30, 2006 for $855,000. Based on Redfin's Cos Cob data, we estimate the home's value is $1,934,297.
Single-familyProperty Type
1967Year Built
0.28 acresLot Size
$645Est. Price/Sq.Ft.
Source:Public Records

Redfin Estimate

$1,934,297
$1.1M since sold in January 2006$1,000 since September

This home's estimate is 12.4% lower than the average sale price ($2.21M) of 5 comparable homes.

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Earn from this home

Sell
$1,519,184
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$3,479/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
106.0%

+2.1% MoM

Median sale price
$2.0M

$321K MoM

Avg. days on market
15d

2 days MoM

Recently sold homes
24

5 MoM

New listings for sale

Provided by Redfin

Sale history for 428 Valley Rd

Tax history for 428 Valley Rd

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

Property details

Around this home

Schools

North Mianus School

Public K-5 • Assigned • 0.6mi

9/10
Eastern Middle School

Public 6-8 • Assigned • 2.2mi

10/10
Greenwich High School

Public 9-12 • Assigned • 2.4mi

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, 15 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)
35
23
38
23
53
34
62
44
70
52
81
63
86
69
81
62
77
59
66
48
54
38
40
27
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
$1.84M – $2.23M

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Nearby similar homes

$1,575,000
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Berkshire Hathaway HS NE Prop.
$4,795,000
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151 Stanwich Rd, Greenwich, CT 06830
$1,850,000
4 beds3 baths3,597 sq ft
28 Gregory Rd, Cos Cob, CT 06807
NEW CONSTRUCTION
$4,195,000
5 beds5.5 baths5,529 sq ft
120 Florence Rd, Riverside, CT 06878
NEW CONSTRUCTIONVIDEO TOUR
$4,674,000
5 beds6 baths5,497 sq ft
58 Halsey Dr, Old Greenwich, CT 06870
$3,250,000
4 beds7 baths4,074 sq ft
13 Lia Fail Way, Greenwich, CT 06807
Berkshire Hathaway HS NE Prop.

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 baths1,774 sq ft
4 Tremont St, Cos Cob, CT 06807
$1,395,000
5 beds3 baths2,805 sq ft
73 Cos Cob Ave, Greenwich, CT 06830
$1,395,000
5 beds3 baths2,805 sq ft
73 Cos Cob Ave, Cos Cob, CT 06807
VIDEO TOUR
$4,295,000
4 beds4.5 baths6,553 sq ft
23 Daffodil Ln, Cos Cob, CT 06807

Home values near 428 Valley Rd

Data from public records.

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