OFF MARKET
Google street view image for 15 Valley Rd, Cos Cob, CT 06807
Off market nov 1989 for $260K
$1,095,576
Est. refi paymentEst. refi $1,977/mo
4
bd
•
3.5 ba
•
2,100
sq ft

15 Valley Rd, Cos Cob, CT 06807

map-entry

About this home

15 Valley Rd is a 2,100 square foot multi-family home on a 4,792 square foot lot with 4 bedrooms and 3.5 bathrooms. - it last sold on November 17, 1989 for $260,000. Based on Redfin's Cos Cob data, we estimate the home's value is $1,095,576.
Multi-familyProperty Type
1910Year Built
4,792 sq ftLot Size
$522Est. Price/Sq.Ft.
4 spacesParking
Source:Public Records

Redfin Estimate

$1,095,576
$836K since sold in November 1989$2,000 since September

This home's estimate is 32.1% lower than the average sale price ($1.61M) of 6 comparable homes.

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell
$1,030,605
Est. take-home

List your home with Redfin and save $10,956

Refinance
$0
Est. cash available

Get cash now or lower your monthly rate

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
22

2 MoM

New listings for sale

Provided by Redfin

Sale history for 15 Valley Rd

Tax history for 15 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

Cos Cob School

Public PreK-5 • Assigned • 0.1mi

6/10
Central Middle School

Public 6-8 • Assigned • 0.8mi

8/10
Greenwich High School

Public 9-12 • Assigned • 0.9mi

10/10
Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

3/10 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)
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
$1.04M – $1.26M

Reach more buyers when you sell with Redfin. Save up to $10,956 in fees. 3 minutes to get started.

Get a free, detailed breakdown of how we calculated your estimate.

Nearby similar homes

NEW 6 HRS AGO
$904,999
4 beds2 baths2,880 sq ft
144 Colonial Rd, Stamford, CT 06906
$1,590,000
2 beds3 baths2,406 sq ft
30 Chapel St, Greenwich, CT 06831
$699,000
4 beds2 baths1,514 sq ft
171 Henry St, Stamford, CT 06902
$799,000
2 beds— baths— sq ft
15 Henry St, Greenwich, CT 06830
Mike Parelli Real Estate LLC
$1,395,000
5 beds3 baths2,805 sq ft
73 Cos Cob Ave, Cos Cob, CT 06807
$1,190,000
7 beds3 baths3,800 sq ft
80 Coolidge Ave, Stamford, CT 06906

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 15 Valley Rd

Data from public records.
This data may not show owner updates. Learn more.

More real estate resources

06830 homes for sale
06902 homes for sale
06831 homes for sale
06870 homes for sale
06878 homes for sale
Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

Join us

Become an Agent
Get referrals
Careers

Find homes faster

Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

About us

Why Redfin?
Community Impact
Inclusion
Culture
Press
Investors
Blog
Real Estate News

Find us

Contact Us
Help Center
Advertise

Subsidiaries

Rent.
ApartmentGuide

Affiliated Business

Rocket Close
Rocket Mortgage

Countries

US flagUnited States

Canadian flagCanada

Copyright: © 2026 Redfin. All rights reserved.

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.