Data as of September 2026. Source: Realtor.com.
The COS COB, CT real estate market (06807) currently shows 19 active listings, with 3 pending sales. Homes are averaging 21 days on the market before going under contract.
Inventory has increased compared to last year, with 5 more homes available — giving buyers more choice.
Homes are selling faster, averaging 21 days on market compared to 53 days last year.
The median listing price has risen 50.7% year-over-year, from $1,300,000 to $1,958,750.
Population: 7,641 · Density: 900.9/mi² · Median household income: $190,515
Typical home value: $1,237,010 · Homeownership: 68.2%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 06807 | Cos Cob, CT 06807 | 0.0 mi | 10 | $16,828,330 | $1,861,000 | $1,682,833 |
| 06878 | Riverside, CT 06878 | 2.1 mi | 10 | $42,245,660 | $4,248,249 | $4,224,566 |
| 06870 | Old Greenwich, CT 06870 | 2.5 mi | 8 | $18,364,000 | $2,143,500 | $2,295,500 |
| 06905 | Stamford, CT 06905 | 3.1 mi | 37 | $29,403,160 | $575,750 | $794,680 |
| 06831 | Greenwich, CT 06831 | 4.0 mi | 43 | $332,221,956 | $6,321,250 | $7,726,092 |
| 06903 | Stamford, CT 06903 | 5.3 mi | 33 | $66,431,640 | $1,722,500 | $2,013,080 |
| 06820 | Darien, CT 06820 | 5.9 mi | 26 | $125,791,250 | $3,447,250 | $4,838,125 |
| 10504 | Armonk, NY 10504 | 7.6 mi | 31 | $109,487,815 | $3,066,450 | $3,531,865 |
| 10580 | Rye, NY 10580 | 7.7 mi | 26 | $106,161,796 | $3,911,750 | $4,083,146 |
| 06840 | New Canaan, CT 06840 | 8.3 mi | 64 | $255,090,560 | $3,014,375 | $3,985,790 |
| 10605 | White Plains, NY 10605 | 8.7 mi | 30 | $22,199,970 | $436,975 | $739,999 |
| 06850 | Norwalk, CT 06850 | 9.0 mi | 41 | $27,107,519 | $605,000 | $661,159 |
| 10601 | White Plains, NY 10601 | 9.2 mi | 39 | $45,851,091 | $628,725 | $1,175,669 |
As of September 2026, there are 19 active listings in COS COB, CT (zip code 06807), compared to 14 the prior year.
The median listing price in COS COB, CT 06807 is $1,958,750 as of September 2026, a 50.7% increase from $1,300,000 the prior year.
Homes in COS COB, CT 06807 spend an average of 21 days on the market before going under contract, compared to 53 days the prior year.
Based on current inventory and days-on-market data as of September 2026, COS COB, CT 06807 is currently a Balanced Market. Inventory has increased compared to last year, with 5 more homes available — giving buyers more choice. Homes are selling faster, averaging 21 days on market compared to 53 days last year.
With SELL123.com's maximum 3% commission, sellers in COS COB, CT 06807 save an estimated $39,175 compared to a typical 5% commission on the median listing price of $1,958,750. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.