$1,575,407
$731K since sold in October 2017$21K since July
This home's estimate is 8.7% lower than the average sale price ($1.73M) of 6 comparable homes.
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Off Market Oct 2017 for $844K
$1,575,407
Est. refi paymentEst. refi $4,303/mo
4
bd•
2.5 ba
•
1,895
sq ft
434 Valley Rd, Cos Cob, CT 06807
About this home
Single-familyProperty Type
1909Year Built
0.28 acresLot Size
$831Est. Price/Sq.Ft.
Listed by Angela Alfano • Coldwell Banker Realty
Bought with Jim Ward • Berkshire Hathaway NE Prop.
Source:Smart MLS #170002511
Redfin Estimate
Earn from this home
Sell
$932,894
Est. take-home
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Refinance
$0
Est. cash available
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Rent
$3,128/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
19
1 MoM
New listings for sale
Provided by Redfin
Property details
Around this home
North Mianus School
Public K-5 • Assigned • 0.7mi
Eastern Middle School
Public 6-8 • Assigned • 2.2mi
Greenwich High School
Public 9-12 • Assigned • 2.4mi
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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.
JuneDecember
Provided by Shadowmap
Property information provided by Smart MLS when last listed in 2017. This data may not match . Learn more.
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