86

Recently Sold Cos Cob, CT Homes

Section Image
  • /35

    $4,753,000

    Sold Apr 20, 2026

    24 Annjim Dr, Greenwich, CT 06830

    • 5 Beds
    • 4.5 Baths
    • 4,937 Sq Ft
    • Built 2001

    Last Sold Summary

    • 12% Above List Price
    • $963/SF
    • 5 Days On Market

    Last Listing Agent Amanda Bates Houlihan Lawrence

    24 Annjim Dr, Greenwich, CT 06830
  • /34

    $2,400,000

    Sold Feb 25, 2026

    24 Valley Rd, Cos Cob, CT 06807

    • 4 Beds
    • 4.5 Baths
    • 3,221 Sq Ft
    • Built 1925

    Last Sold Summary

    • 3% Below List Price
    • $745/SF
    • 11 Days On Market

    Last Listing Agent Angela Swift Compass Connecticut, LLC

    24 Valley Rd, Cos Cob, CT 06807
  • 20 Ridge Rd, Cos Cob, CT 06807

    $2,503,000

    Sold Jul 31, 2026

    20 Ridge Rd, Cos Cob, CT 06807

    • 3 Beds
    • 3.5 Baths
    • 1,839 Sq Ft
    • Built 1928

    Last Sold Summary

    • 39% Above List Price
    • $1,361/SF
    • 8 Days On Market

    Current Estimated Value $1,775,112

    Last Listing Agent Kaitlin Kelly Compass Connecticut, LLC

    20 Ridge Rd, Cos Cob, CT 06807
  • /39

    $2,175,000

    Sold Jun 26, 2026

    70 Gregory Rd, Cos Cob, CT 06807

    • 4 Beds
    • 3 Baths
    • 3,142 Sq Ft
    • Built 1961

    Last Sold Summary

    • 1% Below List Price
    • $692/SF
    • 26 Days On Market

    Last Listing Agent Sabrina Lanosa William Pitt Sotheby's Int'l

    70 Gregory Rd, Cos Cob, CT 06807
  • /20

    $815,000

    Sold Oct 20, 2025

    7 River Rd Unit 306, Cos Cob, CT 06807

    • 2 Beds
    • 2 Baths
    • 1,110 Sq Ft
    • Built 1980

    Last Sold Summary

    • 4% Below List Price
    • $734/SF
    • 58 Days On Market

    Last Listing Agent Peter Janis BHHS New England Properties

    7 River Rd Unit 306, Cos Cob, CT 06807
  • /23

    $2,250,000

    Sold Nov 14, 2025

    76 Sinawoy Rd, Cos Cob, CT 06807

    • 4 Beds
    • 2.5 Baths
    • 2,423 Sq Ft
    • Built 1900

    Last Sold Summary

    • 22% Above List Price
    • $929/SF
    • 7 Days On Market

    Last Listing Agent Amanda Bates Houlihan Lawrence

    76 Sinawoy Rd, Cos Cob, CT 06807
  • /28

    $870,000

    Sold Dec 09, 2025

    15 River Rd Unit 210, Cos Cob, CT 06807

    • 2 Beds
    • 2 Baths
    • 1,104 Sq Ft
    • Built 1979

    Last Sold Summary

    • 2% Above List Price
    • $788/SF
    • 6 Days On Market

    Last Listing Agent Konstantine Wells Houlihan Lawrence

    15 River Rd Unit 210, Cos Cob, CT 06807
  • /54

    $3,314,000

    Sold Jun 26, 2026

    2 Daffodil Ln, Cos Cob, CT 06807

    • 5 Beds
    • 5 Baths
    • 4,777 Sq Ft
    • Built 1962

    Last Sold Summary

    • 6% Above List Price
    • $694/SF
    • 11 Days On Market

    Last Listing Agent Stephen Archino Sotheby's International Realty

    2 Daffodil Ln, Cos Cob, CT 06807
  • /37

    $1,300,000

    Sold Jan 05, 2026

    67 Cos Cob Ave, Cos Cob, CT 06807

    • 2,629 Sq Ft
    • Built 1918

    Last Sold Summary

    • 8% Above List Price
    • $494/SF
    • 72 Days On Market

    Last Listing Agent Peter Janis BHHS New England Properties

    67 Cos Cob Ave, Cos Cob, CT 06807
  • 24 Decatur St Unit 2, Cos Cob, CT 06807

    $850,000

    Sold Jul 06, 2026

    24 Decatur St Unit 2, Cos Cob, CT 06807

    • 2 Beds
    • 2.5 Baths
    • 1,643 Sq Ft
    • Built 1980

    Last Sold Summary

    • 1% Above List Price
    • $517/SF
    • 14 Days On Market

    Last Listing Agent Tyler Toren Compass Connecticut, LLC

    24 Decatur St Unit 2, Cos Cob, CT 06807
  • /24

    $860,000

    Sold Mar 04, 2026

    15 River Rd Unit 210, Cos Cob, CT 06807

    • 2 Beds
    • 2 Baths
    • 1,104 Sq Ft
    • Built 1979

    Last Sold Summary

    • $779/SF
    • 25 Days On Market

    Last Listing Agent Stephanie Thompson Coldwell Banker Realty

    15 River Rd Unit 210, Cos Cob, CT 06807
  • /35

    $2,691,500

    Sold Mar 27, 2026

    552 River Rd, Cos Cob, CT 06807

    • 4 Beds
    • 4.5 Baths
    • 4,078 Sq Ft
    • Built 2018

    Last Sold Summary

    • 2% Below List Price
    • $660/SF
    • 46 Days On Market

    Last Listing Agent Gloria Gimenez-Ferrer BHHS New England Properties

    552 River Rd, Cos Cob, CT 06807
  • 500 River Rd Unit 3, Cos Cob, CT 06807

    $1,205,000

    Sold Jul 23, 2026

    500 River Rd Unit 3, Cos Cob, CT 06807

    • 2 Beds
    • 2 Baths
    • 1,830 Sq Ft
    • Built 1984

    Last Sold Summary

    • 7% Above List Price
    • $658/SF
    • 12 Days On Market

    Current Estimated Value $1,089,494

    Last Listing Agent Jenny Allen Compass Connecticut, LLC

    500 River Rd Unit 3, Cos Cob, CT 06807
  • /25

    $775,000

    Sold May 08, 2026

    3 Relay Ct, Cos Cob, CT 06807

    • 2 Beds
    • 1 Bath
    • 941 Sq Ft
    • Built 1920

    Last Sold Summary

    • 11% Below List Price
    • $824/SF
    • 55 Days On Market

    Current Estimated Value $805,804

    Last Listing Agent Blazej Cichy Abart Estate LLC

    3 Relay Ct, Cos Cob, CT 06807
  • 185 Valley Rd, Cos Cob, CT 06807

    $3,000,000

    Sold Jul 07, 2026

    185 Valley Rd, Cos Cob, CT 06807

    • 4 Beds
    • 4 Baths
    • 3,569 Sq Ft
    • Built 1960

    Last Sold Summary

    • 2% Above List Price
    • $841/SF
    • 17 Days On Market

    Last Listing Agent Paula Waldman Berkshire Hathaway NE Prop.

    185 Valley Rd, Cos Cob, CT 06807
  • /17

    $1,625,000

    Sold May 06, 2026

    115 River Rd Unit 7, Cos Cob, CT 06807

    • 3 Beds
    • 2.5 Baths
    • 2,185 Sq Ft
    • Built 1984

    Last Sold Summary

    • 11% Below List Price
    • $744/SF
    • 96 Days On Market

    Last Listing Agent Amanda Miller Houlihan Lawrence

    115 River Rd Unit 7, Cos Cob, CT 06807
  • /35

    $4,000,000

    Sold Jul 16, 2026

    27 Cognewaugh Rd, Cos Cob, CT 06807

    • 5 Beds
    • 4.5 Baths
    • 4,916 Sq Ft
    • Built 2007

    Last Sold Summary

    • 5% Above List Price
    • $814/SF
    • 8 Days On Market

    Current Estimated Value $3,740,088

    Last Listing Agent Rebecca Karson Houlihan Lawrence

    27 Cognewaugh Rd, Cos Cob, CT 06807
  • /2

    $2,450,000

    Sold Jul 31, 2026

    106 Orchard St, Cos Cob, CT 06807

    • 5 Beds
    • 4.5 Baths
    • 3,539 Sq Ft
    • Built 2008

    Last Sold Summary

    • $692/SF
    • 10 Days On Market

    Last Listing Agent Nancy Fogwell BHHS New England Properties

    106 Orchard St, Cos Cob, CT 06807
  • 42 Mead Ave, Greenwich, CT 06830

    $1,125,000

    Sold Nov 20, 2025

    42 Mead Ave, Greenwich, CT 06830

    • 3 Beds
    • 2 Baths
    • 1,833 Sq Ft
    • Built 1951

    Last Sold Summary

    • 6% Below List Price
    • $614/SF
    • 21 Days On Market

    Current Estimated Value $1,353,773

    Last Listing Agent Jose Cuartas Corcoran Centric Realty

    42 Mead Ave, Greenwich, CT 06830
  • /7

    $115,000

    Sold Jan 09, 2026

    7 River Rd Unit Boat Slip D-14, Cos Cob, CT 06807

    Last Sold Summary

    • 16% Below List Price
    • 271 Days On Market

    Last Listing Agent Barbara Stephens Sotheby's International Realty

    7 River Rd Unit Boat Slip D-14, Cos Cob, CT 06807
  • /12

    $1,645,000

    Sold Jul 01, 2026

    34 Ridge Rd, Cos Cob, CT 06807

    • 3 Beds
    • 2 Baths
    • 2,344 Sq Ft
    • Built 1966

    Last Sold Summary

    • 10% Above List Price
    • $702/SF
    • 8 Days On Market

    Last Listing Agent Michael Carey Sotheby's International Realty

    34 Ridge Rd, Cos Cob, CT 06807
  • 9 River Rd Unit 408, Cos Cob, CT 06807

    $610,000

    Sold Oct 30, 2025

    9 River Rd Unit 408, Cos Cob, CT 06807

    • 1 Bed
    • 1 Bath
    • 1,069 Sq Ft
    • Built 1979

    Last Sold Summary

    • 6% Below List Price
    • $571/SF
    • 41 Days On Market

    Last Listing Agent Wende Foreman William Pitt Sotheby's Int'l

    9 River Rd Unit 408, Cos Cob, CT 06807
  • 453 E Putnam Ave Unit 4B, Cos Cob, CT 06807

    $850,000

    Sold May 20, 2026

    453 E Putnam Ave Unit 4B, Cos Cob, CT 06807

    • 2 Beds
    • 2.5 Baths
    • 1,464 Sq Ft
    • Built 1991

    Last Sold Summary

    • 1% Above List Price
    • $581/SF
    • 27 Days On Market

    Last Listing Agent Lucy Magnus Brown Harris Stevens

    453 E Putnam Ave Unit 4B, Cos Cob, CT 06807
  • /22

    $900,000

    Sold Apr 10, 2026

    15 River Rd Unit 222, Cos Cob, CT 06807

    • 2 Beds
    • 2 Baths
    • 1,205 Sq Ft
    • Built 1979

    Last Sold Summary

    • 5% Below List Price
    • $747/SF
    • 29 Days On Market

    Last Listing Agent MJ Bates-Hvolbeck Sotheby's International Realty

    15 River Rd Unit 222, Cos Cob, CT 06807
  • /2

    $3,200,000

    Sold Nov 12, 2025

    100 Orchard St, Cos Cob, CT 06807

    • 5 Beds
    • 5.5 Baths
    • 4,782 Sq Ft
    • Built 2008

    Last Sold Summary

    • 14% Above List Price
    • $669/SF
    • 3 Days On Market

    Current Estimated Value $3,345,060

    Last Listing Agent Lindsay Clauss Sheehy Compass Connecticut, LLC

    100 Orchard St, Cos Cob, CT 06807
  • /7

    $82,500

    Sold May 01, 2026

    7 River Rd Unit Boat Slip D1, Cos Cob, CT 06807

    Last Sold Summary

    • 13% Below List Price
    • 66 Days On Market

    Last Listing Agent Jennifer Danzi-glenn Barnes Connecticut

    7 River Rd Unit Boat Slip D1, Cos Cob, CT 06807
  • /2

    $3,250,000

    Sold Jun 18, 2026

    18 Tomney Rd, Greenwich, CT 06830

    • 4 Beds
    • 2.5 Baths
    • 2,827 Sq Ft
    • Built 1979

    Last Sold Summary

    • 14% Above List Price
    • $1,150/SF
    • 4 Days On Market

    Last Listing Agent Blazej Cichy Abart Estate LLC

    18 Tomney Rd, Greenwich, CT 06830
  • /26

    $1,275,000

    Sold May 14, 2026

    11 Bible St, Cos Cob, CT 06807

    • 4 Beds
    • 2 Baths
    • 2,432 Sq Ft
    • Built 1924

    Last Sold Summary

    • 6% Below List Price
    • $524/SF
    • 83 Days On Market

    Last Listing Agent Linda Collins Coldwell Banker Realty

    11 Bible St, Cos Cob, CT 06807
  • 4 Miami Ct, Cos Cob, CT 06807

    $1,885,000

    Sold Mar 20, 2026

    4 Miami Ct, Cos Cob, CT 06807

    • 4 Beds
    • 3 Baths
    • 2,765 Sq Ft
    • Built 1926

    Last Sold Summary

    • $682/SF
    • 16 Days On Market

    Last Listing Agent Megan Epand Houlihan Lawrence

    4 Miami Ct, Cos Cob, CT 06807
  • 15 River Rd Unit 205, Cos Cob, CT 06807

    $914,000

    Sold Jul 31, 2026

    15 River Rd Unit 205, Cos Cob, CT 06807

    • 2 Beds
    • 2 Baths
    • 1,270 Sq Ft
    • Built 1979

    Last Sold Summary

    • 2% Below List Price
    • $720/SF
    • 47 Days On Market

    Last Listing Agent Sue Frano Coldwell Banker Realty

    15 River Rd Unit 205, Cos Cob, CT 06807
  • /8

    $2,105,000

    Sold Feb 02, 2026

    39 Indian Field Rd, Greenwich, CT 06830

    • 3 Beds
    • 2 Baths
    • 1,791 Sq Ft
    • Built 1941

    Last Sold Summary

    • $1,175/SF
    • 0 Days On Market

    Last Listing Agent NON MLS NON MLS

    39 Indian Field Rd, Greenwich, CT 06830
  • 681 River Rd, Cos Cob, CT 06807

    $2,445,000

    Sold Jul 24, 2026

    681 River Rd, Cos Cob, CT 06807

    • 4 Beds
    • 4.5 Baths
    • 3,826 Sq Ft
    • Built 1986

    Last Sold Summary

    • 9% Below List Price
    • $639/SF
    • 210 Days On Market

    Last Listing Agent Paula Waldman Berkshire Hathaway NE Prop.

    681 River Rd, Cos Cob, CT 06807
  • /43

    $2,950,000

    Sold Dec 15, 2025

    92 Hillcrest Park Rd, Cos Cob, CT 06807

    • 5 Beds
    • 3.5 Baths
    • 3,339 Sq Ft
    • Built 1957

    Last Sold Summary

    • 6% Above List Price
    • $883/SF
    • 13 Days On Market

    Current Estimated Value $3,048,166

    Last Listing Agent Daphne Lamsvelt-pol Sotheby's International Realty

    92 Hillcrest Park Rd, Cos Cob, CT 06807
  • /21

    $896,000

    Sold Mar 19, 2026

    11 River Rd Unit 119, Cos Cob, CT 06807

    • 2 Beds
    • 2 Baths
    • 1,104 Sq Ft
    • Built 1979

    Last Sold Summary

    • 2% Above List Price
    • $812/SF
    • 18 Days On Market

    Last Listing Agent Jennifer Danzi-glenn Barnes Connecticut

    11 River Rd Unit 119, Cos Cob, CT 06807
  • /18

    $465,500

    Sold Dec 01, 2025

    47 Valley Rd Unit B3, Cos Cob, CT 06807

    • 2 Beds
    • 0.5 Baths
    • 800 Sq Ft
    • Built 1964

    Last Sold Summary

    • 3% Above List Price
    • $582/SF
    • 56 Days On Market

    Last Listing Agent Mike Parelli Mike Parelli Real Estate LLC

    47 Valley Rd Unit B3, Cos Cob, CT 06807
  • 6 Caroline Farms Rd Unit 4, Cos Cob, CT 06807

    $1,190,000

    Sold Jul 17, 2026

    6 Caroline Farms Rd Unit 4, Cos Cob, CT 06807

    • 2 Beds
    • 3.5 Baths
    • 2,042 Sq Ft
    • Built 1987

    Last Sold Summary

    • 3% Above List Price
    • $583/SF
    • 58 Days On Market

    Current Estimated Value $1,130,262

    Last Listing Agent Ginger Zhu Century 21 AllPoints Realty

    6 Caroline Farms Rd Unit 4, Cos Cob, CT 06807
  • 34 1/2 Orchard St, Cos Cob, CT 06807

    $2,022,000

    Sold Jun 22, 2026

    34 1/2 Orchard St, Cos Cob, CT 06807

    • 4 Beds
    • 2.5 Baths
    • 2,126 Sq Ft
    • Built 1971

    Last Sold Summary

    • 7% Above List Price
    • $951/SF
    • 9 Days On Market

    Last Listing Agent Jaclyn Picarillo Higgins Group Bedford Square

    34 1/2 Orchard St, Cos Cob, CT 06807
  • 4 Cos Cob Ave, Cos Cob, CT 06807

    $1,530,000

    Sold Aug 17, 2026

    4 Cos Cob Ave, Cos Cob, CT 06807

    • 4 Beds
    • 3 Baths
    • 2,720 Sq Ft
    • Built 1951

    Last Sold Summary

    • 7% Below List Price
    • $562/SF
    • 25 Days On Market

    Current Estimated Value $1,613,065

    Last Listing Agent Katie Benson Houlihan Lawrence

    4 Cos Cob Ave, Cos Cob, CT 06807
  • /25

    $819,000

    Sold Nov 06, 2025

    9 River Rd Unit 411, Cos Cob, CT 06807

    • 2 Beds
    • 2 Baths
    • 1,125 Sq Ft
    • Built 1979

    Last Sold Summary

    • 2% Below List Price
    • $728/SF
    • 30 Days On Market

    Last Listing Agent Cesar Rabellino Compass Connecticut, LLC

    9 River Rd Unit 411, Cos Cob, CT 06807
  • 6 Fox Hollow Ln, Cos Cob, CT 06807

    $2,670,000

    Sold Jan 12, 2026

    6 Fox Hollow Ln, Cos Cob, CT 06807

    • 5 Beds
    • 5 Baths
    • 4,928 Sq Ft
    • Built 1966

    Last Sold Summary

    • 5% Below List Price
    • $542/SF
    • 32 Days On Market

    Last Listing Agent Max Wiesen Coldwell Banker Realty

    6 Fox Hollow Ln, Cos Cob, CT 06807

Showing Results 1 - 40, Page 1 of 3

Frequently Asked Questions

What is the average home price in Cos Cob, CT?
Homes for sale in Cos Cob, CT have an average home price of $1,702,870.
What is the average time to sell a house in Cos Cob, CT?
The houses for sale in Cos Cob, CT spend an average of 33 days on the market.
What is the number of active homes for sale in Cos Cob, CT?
There are 19 active homes for sale in Cos Cob, CT.
How many homes have sold over the last 12 months in Cos Cob, CT?
93 homes have sold in Cos Cob, CT over the last 12 months.

Home Price Trends

Median Sale Price
$1,610,000
Median Single Family Sale Price
$2,022,000
Median Townhouse Sale Price
$2,691,500
Median 2 Bedroom Sale Price
$864,750
Median 1 Bedroom Sale Price
$610,000
Average Price Per Sq Ft
$770
Number of Homes for Sale
19
Last 12 months Home Sales
93
Months of Supply
2.50
Median List Price
$1,725,000
Median Change From 1st List Price
-1%
Median Home Sale Price YoY Change
1%
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