$1,231,223
$14K since July
This home's estimate is 13.3% lower than the average sale price ($1.42M) of 6 comparable homes.
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OFF MARKET
$1,231,223
2
bd•
1 ba
•
1,235
sq ft
521 River Rd, Cos Cob, CT 06807
About this home
521 River Rd is a 1,235 square foot house on a 0.39 acre lot with 2 bedrooms and 1 bathroom. Based on Redfin's Cos Cob data, we estimate the home's value is $1,231,223.
Single-familyProperty Type
1957Year Built
0.39 acresLot Size
$997Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
Earn from this home
Sell
$1,158,466
Est. take-home
List your home with Redfin and save $12,312
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
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
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