Apartments for Rent in Cos Cob, CT

Prices and availability in Cos Cob, CT were last updated on 3 Oct 2026.

The best apartments in Cos Cob, CT are: 41 Valley Road, Unit 2 and 217 5 River Rd Ext, Unit 1/2.

In Cos Cob, 33% of the residents are renting compared to 67% owning a home, according to data from the U.S. Census Bureau. Large-scale apartment buildings with more than 50 units represent none of Cos Cob's rentals, 77% are small-scale complexes with under 50 units, and 23% are single-family rentals.

The age and size of multifamily buildings are among the most visible characteristics of the rental market in a city. In this case, the apartment buildings in Cos Cob are about 0 years old, on average. Of these, none have been built since 2000, representing the newer options on the market and typically offering more amenities. Rental buildings in the city have an average height of 0 stories. About none of the rental communities here are low-rise, garden-style communities, none are mid-rises, and none are high-rise buildings. These are true especially for large-scale multifamily buildings with over 50 apartments.

Rental apartments in Cos Cob come in a range of sizes and floorplans. Studio apartments represent 0% of units for rent, ideal for singles, renters on a budget and people who value central locations more than space. Rentals with 1-bedroom floorplans make up 0% of the total apartments in the city, while 2-bedroom floorplans represent around 0% of all rentals in Cos Cob. The rest are larger floorplans with 3 bedrooms or more, typically preferred by families, larger households or roommates sharing space.