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Cos Cob Housing Market Report May 2025•Fairfield County, Connecticut

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Housing Prices in Cos Cob, CT

How much do homes in Cos Cob, CT cost?

Housing Market Conditions

Is Cos Cob, CT a buyer’s or seller’s market?

Housing Market Conditions

This is the supply and demand for houses in an area based on home prices and trends.

Buyer’s Market

A buyer’s market occurs when the number of available properties for sale exceeds the number of buyers looking to purchase. In a buyer’s market, the supply exceeds the demand.

Neutral Market

A neutral market occurs when the number of buyers looking to purchase properties meets the number of available properties for sale. In a balanced market, there are enough homes to meet the demand.

Seller’s Market

A seller’s market occurs when there are more buyers looking to purchase properties than there are available homes on the market. In a seller’s market, the demand exceeds the supply.

Seller'sMarket

Buyer'sMarket

Cos Cob is a Seller's Market

Difference Since May 2024

Since last year, Cos Cob has remained a Seller's Market.

Insight

Cos Cob is a Sellers Housing Market, which means prices tend to be higher and homes sell faster.

Median Sold Price

Median Sold Price
This is the middle price for which all homes in the area were sold. Half of all the homes sold were below this price, and half were above.
$1,700,000$643/SqFt
+$55,000
+3.3%

Based on all homes sold in the last 12 months

Insight

Homes in Cos Cob have sold for 3.3% more than they did a year ago.

Summary: The median home sold price in Cos Cob was $1,700,000 in May 2025, up 3.3% from last year, and the median price per square foot was $643.

Median Sold Price By Cities

Median Sold Price By Cities
This is the middle price for which all homes in the area were sold compared to surrounding cities. Half of all the homes sold were below this price, and half were above.
CityChange YoY
Old Greenwich
+46.6%
Riverside
+25.2%
Stamford
+14.9%
Cos Cob
+3.3%
Greenwich
-7.3%

Median Sold Price By Bedrooms

Median Sold Price By Bedrooms
This is the middle price for all homes actively listed in an area broken out by the number of bedrooms. Half of the homes are listed below this price, and half are above.
BedsMay 2024May 2025Change YoY
1--
N/A
2$720K$880K
+22.2%
3$1.4M$1.1M
-19.4%
4$1.7M$1.8M
+5.8%
5$2.1M$2.6M
+24.0%

Summary: Cos Cob housing price by bedroom type for May 2025, compared to the previous year. The home price for 1 bedroom homes did not change. The home price for 2 bedroom homes increased by +22.2%. The home price for 3 bedroom homes decreased by -19.4%. The home price for 4 bedroom homes increased by +5.8%. The home price for 5 bedroom homes increased by +24.0%.

How does Cos Cob, CT compare with other places?

Market comparison tool

Data and numbers shown are subject to change and may vary based on different timeframes.

Cos Cob, CT

Housing supply in Cos Cob, CT

How many homes are available in Cos Cob, CT?

Number of Homes For Sale

Number of Homes For Sale
This is the total number of homes actively listed in an area.
Last Month2 months agoChange MoM
19Last MonthMay 2025
232 months agoApr 2025
-17.4 %
Change MoMApr – May

Summary: The Cos Cob real estate market had 19 homes for sale in May 2025, a 17.4 % decrease compared to Apr 2025.

Number of Homes Sold

Number of Homes Sold
This is the total number of both homes sold and pending in an area.
Last Month2 months agoChange MoM
8Last MonthMay 2025
42 months agoApr 2025
+100.0 %
Change MoMApr – May

Homes For Sale By Bedroom Count

Homes For Sale By Bedroom Count
This is the total number of homes actively listed in an area by number of bedrooms.
BedsApr 2025May 2025Change MoM
111
0.0%
253
-40.0%
344
0.0%
4108
-20.0%
533
0.0%

Summary: Cos Cob housing inventory by bedroom type for May 2025, compared to the previous month. The inventory for 1 bedroom homes remained the same. The inventory for 2 bedroom homes decreased by -40.0%. The inventory for 3 bedroom homes remained the same. The inventory for 4 bedroom homes decreased by -20.0%. The inventory for 5 bedroom homes remained the same.

Asking Price vs. Sold Price

How much do homes in Cos Cob, CT cost?

Asking Price vs. Sold Price

The asking price is how much a home is listed for. The selling price is how much the home actually sold for.

Under Asking

Homes that sold for less than the asking price

At Asking

Homes that sold at their asking price

Over Asking

Homes that sold above the asking price

Over Asking Price6 Homes

At Asking Price0 Home

Under Asking Price2 Homes

Insight

If you're buying a home in Cos Cob, you could pay more than the asking price. 75% of homes here sold above asking price last month.

Summary: A total of 8 homes were sold or pending in Cos Cob in May 2025, up by 100.0% month-over-month. Of the 8 sold homes, 25% were sold under asking, 0% were sold at asking, and and 75% were sold over asking.

Days on Market for Cos Cob, CT

How long does it take to sell a home in Cos Cob, CT?

Breakdown of Home Sale Times

Under 30 Days1 Home

30 – 90 Days0 Home

Over 90 Days0 Home

Insight

Many homes in Cos Cob are selling fast, if you're buying plan to act quickly.

Summary: During May 2025, 8 homes were sold in Cos Cob; 13% of homes were sold within 30 days, 0% of homes were sold within 30 to 90 days, and 0% of homes were sold over 90 days.

Average Sale Time

Average Sale Time
This is the average number of days homes take to sell in an area.
This Year1 year agoChange YoY
21 DaysThis YearMay 2025
124 Days1 year agoMay 2024
-83.1 %
Change YoYMay 2024 – May 2025

Summary: Homes in Cos Cob had an average listing age of 21 days in May 2025, down by 83.1% compared to the previous year.

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Newest Listings in Cos Cob, CT

What homes are available in Cos Cob, CT?

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Nearby markets

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MLS Disclaimers and Copyright

Based on information from SmartMLS, and OneKey MLS for the period 06/01/2023 - 06/01/2025

IDXCopyright © 2025 Smart MLS. The data relating to real estate for sale on this website appears in part through the SMARTMLS Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms, and is provided by SMARTMLS through a licensing agreement. Listing information is from various brokers who participate in the SMARTMLS IDX program and not all listings may be visible on the site. The property information being provided on or through the website is for the personal, non-commercial use of consumers and such information may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some properties which appear for sale on the website may no longer be available because they are for instance, under contract, sold or are no longer being offered for sale. Property information displayed is deemed reliable but is not guaranteed.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
Last updated on: 7/1/2025, 1:45:31 PM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
IDX Listings courtesy of OneKey MLS as distributed by MLS GRID.

All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS.

DMCA Notice

IDXThe data relating to real estate for sale on this web site comes in part from the Broker Reciprocity Program of the OneKey™ MLS. Real Estate listings held by brokerage firms other than this broker are marked with the Broker Reciprocity logo and detailed information about them includes the name of the listing brokers. This 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.

The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed.

Information Copyright 2025, OneKey™ MLS. All Rights Reserved.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.

This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
Last updated on: 7/1/2025, 1:41:28 PM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.