Cos Cob Real Estate

7 Sundance Drive

$2,499,000

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Most Expensive

4 Sachem Lane

$3,875,000

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Least Expensive

Cos Cob Listings Summary

Cos Cob - Town vs. County Stats

Avg Price in Cos Cob: $2,275,100 / County Avg $1,257,000

181%

Avg Sq. Ft. in Cos Cob: 3,220 / County Avg 2,675

120%

Avg Price per/sqft in Cos Cob:$707 / County Avg $470

150%

Avg Year Built in Cos Cob: 1980 / County Avg 1959

101%

Avg Days on Website in Cos Cob: 50 / County Avg 71

70%

Cos Cob Real Estate Market Health

New Listings

Reductions

Foreclosures

Short Sales

The E Team

108 Elm Street
Westfield, MA 01085

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Berkshire County MLS (BCMLS) - Information should be deemed reliable but not guaranteed, all representations are approximate, and individual verification is recommended. Copyright ©2026 All rights reserved. Last Update: September 23, 2026 7:46 PM UTC