Is Cos Cob, CT 06807 a buyer’s or seller’s market?

The Cos Cob housing market right now

In the three months ending August 31, 2026, 67% of homes in Cos Cob, CT 06807 sold above their list price, the typical home went under contract in 15 days and there were 2 months of supply. Under four months of supply means sellers have the edge: expect competition for well-priced homes. That’s based on 25 home sales.

Compared with the same period a year earlier, the share selling over asking rose from 60%, homes sold faster (31 days then) and the median sale price rose 26% to $2,010,130. Overall, Cos Cob is more competitive than a year ago, so tougher for buyers.

Within Fairfield County, homes here sell faster than in 93% of the county’s ZIP codes, and sell more often over asking than in 78%. On our competition score, Cos Cob ranks #34 of 197 CT ZIP codes with enough sales (score 93 out of 100).

Nearby, buyers who want less competition could look at Bridgeport 06605 (25% sold over asking) or Sherman 06784 (31% sold over asking), while Wilton 06897 (83% sold over asking) and Stamford 06906 (78% sold over asking) are even more competitive.