Photo: Hayden Soloviev · CC BY 4.081 homes sold in Cos Cob in the last year, at a typical $1.6M
About one sale in 3 is a condo. Below: what each kind of home sells for, what your budget buys, the best months to buy, how hard you’ll have to bid, and a shortcut to every site where Cos Cob homes are listed.
Every place Cos Cob homes are listed, in one stop
We don’t copy listings: the agents’ sites have the photos and the latest price changes. Set what you want once and we open each site already filtered to Cos Cob.
For sale
Rent
New, land & open houses
Links open the listing sites; TownRatings isn’t paid for them and doesn’t rank one above another. Rentals and government-owned homes come from sources outside the MLS.
A third of Cos Cob’s sales are condos, at $1.1M less than a house
54 houses and 24 condos sold in the year to May 2026. Houses sell faster and draw more bidding wars.
typical sale · 54 sold in 12 months
- Per square foot
- $751CT $273
- Days to sell
- 22
- Sold over asking
- 61%
- Listings with a price cut
- 26%
typical sale · 24 sold in 12 months
- Per square foot
- $711CT $256
- Days to sell
- 62
- Sold over asking
- 42%
- Listings with a price cut
- 17%
Multi-family (2–4 units): 3 sold, typical $1.4M
Too few sales in 12 months for reliable figures.
Fewer homes sell than before 2022, at 1.3 times the 2016 price
81 sales in the last year, against 149 in 2021 and a low of 82 in 2024. The typical sale went from $1.2M in 2016 to $1.6M.
Source: Redfin Data Center, MLS sales. Typical price and $/sq ft are the monthly medians, weighted by sales.
What $1.6M buys in Cos Cob
Check a listing against what Cos Cob homes sold for
Against the town’s median price per square foot over the last 12 months. A rough check: condition, lot and location within town move a price more than this can see.
Bidding wars in Cos Cob are more common than before the pandemic, but 84% fewer homes come up for sale
We read every month of Cos Cob’s home sales since 2015 so you don’t have to. Each figure covers 12 months, because a single month in a town is too few sales to mean much. Latest: the year to May 2026, 81 sales.
If you’re buying in Cos Cob
- Shop in April. It brings about 19 new listings a month, close to the busiest month, with fewer bidding wars (19% over asking).
- Some room to negotiate. 17% of listings cut their price, about as many as before the pandemic.
- Expect to bid over asking. Buyers paid 103.6% of the list price on average; 56% paid over.
- You’ll usually have time. Only 39% of homes go under contract within two weeks; the typical one takes 34 days.
Spring brings both the most homes and the most bidding wars
April has the most new listings (about 19 a month), but May is the most competitive: 34% of May sales close over asking. January has the least competition (14%) but only about 9 new listings.
Averages for each calendar month, 2015 on.
Hotter than in 2021, and about like Connecticut as a whole
| Cos Cob now | 2017–19 | 2021 peak | CT now | |
|---|---|---|---|---|
| Sold over askingShare of sales that closed above the list price | 56% | 10% | 24% | 56% |
| Gone within two weeksShare of homes under contract within 14 days | 39% | 5% | 23% | 47% |
| Listings with a price cutShare of homes for sale that cut their price | 17% | 16% | 20% | 18% |
| Price paid vs. askingAverage sale price ÷ list price | 103.6% | 95.7% | 98.4% | 102.2% |
| Days to sellMedian days from listing to contract | 34 | 136 | 90 | 39 |
10 homes for sale on a typical day
That’s 84% fewer than in 2017–19 and well under 2016’s 69.
1 in 6 listings has cut its price
17% in the last year, against 16% in 2017–19 and 18% across Connecticut.
Since 2019, houses are up 81%, condos 39%
A house typically sold for $2M in the last year (54 sales), a condo for $904K (24).
Median sale price, weighted by sales each month. Years with fewer than 4 sales of a type are left out.
Cos Cob ranks 39th of 78 busy Connecticut markets for bidding wars
Share of sales over asking in the last year, among towns with 60 or more sales. Cos Cob is in the middle of the pack.
Source: Redfin Data Center, city market tracker, January 2015 to May 2026 (MLS sales, not seasonally adjusted). Ratios are weighted by homes sold; price cuts by homes for sale.
Owning the typical Cos Cob home costs about $9,115 a month
Price: Cos Cob’s typical sale, last 12 months. Property tax at Cos Cob’s 0.7% (median bill ÷ median value, Census ACS); insurance at 0.35% of price a year. Before PMI, HOA dues, upkeep and the tax deduction. Whether Cos Cob is affordable on local pay is on Cost of living.
Five things worth knowing
New listings in April
The month with the most choice. December has the fewest, about 4.
Best time to buyProperty tax, a year
Of a home’s value: the median bill over the median home value. On a $1.6M home, about $10,640 a year.
Taxes vs. neighborsCheck the flood map
Flood insurance isn’t in a standard policy, and lenders require it in FEMA flood zones. Check the address before you make an offer.
Natural hazardsLook up any property
Assessed value, lot size and every past sale of a home you’re eyeing are public, at the town or county assessor and the registry of deeds.
Stamford, Glenville and Pemberwick sell for less a square foot; Old Greenwich for far more
The busier markets within 25 miles of Cos Cob, by what sold. Prices, taxes and how far a paycheck goes next door are on Cost of living.
| Sold | Typical sale | $/sq ft | Over asking | Days to sell | |
|---|---|---|---|---|---|
| Stamford | 1,211 | $730K | $379 | 61% | 36 |
| Greenwich | 748 | $2.4M | $804 | 47% | 36 |
| Riverside | 103 | $2.7M | $849 | 50% | 31 |
| Old Greenwich | 83 | $2.7M | $1,003 | 58% | 27 |
| Cos Cob | 81 | $1.6M | $698 | 56% | 34 |
| Pemberwick | 41 | $1.4M | $653 | 61% | 45 |
| Glenville | 31 | $1.3M | $604 | 65% | 65 |
Redfin Data Center, June 2025 to May 2026. Towns with fewer than 20 sales are left out, and Redfin doesn’t report every town separately.
Post your home to Cos Cob, free
Selling it yourself, renting out an apartment or looking for a roommate? Post it to Cos Cob. People who follow the town see it, and so do people comparing Cos Cob with their own town. No commission, no listing fee.
Questions about buying a home in Cos Cob
What do homes sell for in Cos Cob, CT?
81 homes sold in the year to May 2026 at a typical $1.6M, $698 a square foot. Houses sold for about $2M, condos for about $904K.
Is Cos Cob a buyer’s or seller’s market?
A seller’s market: 11 homes were for sale in May 2026 and 10 sold, about 1.1 months of supply. Buyers paid 103.6% of asking on average, and 17% of listings cut their price.
When is the best time to buy in Cos Cob?
April brings the most new listings. The sales history shows which months have fewer bidding wars.
How much are property taxes in Cos Cob?
About 0.7% of a home’s value a year. On a $1.6M home that’s near $10,640.
Where can I see homes for sale in Cos Cob?
Zillow, Redfin, Realtor.com and Homes.com all carry Cos Cob’s MLS listings; the search links above open each one filtered to Cos Cob.
Sales, prices, days on market and listings: Redfin Data Center (MLS, monthly, not seasonally adjusted). Property tax rate: Census American Community Survey. Two-bedroom rent: HUD Fair Market Rent. Typical home value: Zillow Home Value Index. Schools grade: TownRatings (how grades work).