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Cos Cob, CT Homes for Sale | Realty.com

Start here

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Home buying tips
Before you start looking
The buying timeline

Afford it

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How much can I afford?
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3 beds New construction With a pool

2 listings

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Get an instant cash offer
Buy before you sell

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Homes for Sale in Cos Cob, CT

Homes for Sale in Cos Cob, CT

2 Listings

Homes for Sale in Cos Cob, CT

2 Listings

Your local brokerage

TO

Thomas O'Leary

Realty.com

Lic. #REB.0790925

7Active
$108,000
0 bd · 0 ba · — sqft
7 River Road Boat Slip H3, Cos Cob, CT
Barbara Stephens · Sotheby's International Realty
7Active
$123,500
0 bd · 0 ba · — sqft
7 River Road Boat Slip E3, Cos Cob, CT
Barbara Stephens · Sotheby's International Realty

Explore Cos Cob homes

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Under $300K
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Under $700K
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L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

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Listing data & MLS disclosures

Greenwich MLS (GMLS): Listing data courtesy of Greenwich MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.
Listing information ©2026 Greenwich MLS, Inc®. All Rights Reserved. Last Updated: 2026-07-09 20:41:20 UTC

Multi-family homes

By feature

New construction
With a pool

Your local brokerage

TO

Thomas O'Leary

Realty.com

Lic. #REB.0790925

Cos Cob, CT community profile

Area: 3.3 sq. mi.

Source: HJN community data

Cos Cob housing market

August 2026 · This period is still settling

Homes on the market · MLS, as of Aug 30, 2026

Median list price: $1,402,000
Homes for sale: 16

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 29, 2026

Median home size: 2,525 sq. ft.

Nearby areas

ZIP codes

06902 (93)
06831 (83)
06824 (74)
06810 (72)
06840 (66)
06880 (65)
06830 (62)
06877 (57)

Cities

Stamford (243)
Greenwich (170)
Norwalk (137)
Fairfield (132)
Bridgeport (100)
Danbury (82)
New Canaan (66)
Westport (63)