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Cos Cob Home Values and Market Report
| Address | Beds | Baths | Living ft2 | List Price | Cost per ft2 | DOM |
|---|---|---|---|---|---|---|
| 23 Daffodil Ln | 4 | 5 | 6,553 | $4,295,000 | $655 | 29 days |
| 340 Valley Rd Unit 2 | 4 | 4 | 4,088 | $2,795,000 | $683 | 49 days |
| 47 Ridge St | 4 | 5 | 3,408 | $2,795,000 | $820 | 190 days |
| 9 Maple St | 4 | 4 | 2,745 | $2,695,000 | $981 | 55 days |
| 7 Sundance Dr | 4 | 4 | 2,226 | $2,499,000 | $1,122 | 50 days |
| 55 Cos Cob Ave | 3 | 3 | 2,550 | $1,800,000 | $705 | 69 days |
| 28 Gregory Rd | 4 | 3 | 3,597 | $1,795,000 | $499 | 105 days |
| 4 Tremont St | 4 | 3 | 1,774 | $1,495,000 | $842 | 20 days |
| 4 Tremont St | 4 | 3 | 1,774 | $1,495,000 | $842 | 20 days |
| 49 Harold St Unit 2 | 2 | 3 | 1,428 | $869,500 | $608 | 69 days |
| Average: | 3.5 | 3.5 | 2,839 | $1,954,875 | $770 | 68 days |
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| Address | Beds | Baths | Living ft2 | List Price | Cost per ft2 | DOM |
|---|---|---|---|---|---|---|
| 13 Lia Fail Way | 4 | 7 | 6,268 | $3,250,000 | $518 | 96 days |
| 89 Indian Field Rd | 5 | 5 | 5,354 | $2,995,000 | $559 | 50 days |
| 73 Cos Cob Ave | 5 | 3 | 2,805 | $1,395,000 | $497 | 23 days |
| Average: | 4.7 | 5.0 | 4,809 | $2,546,666 | $525 | 57 days |
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| Address | Beds | Baths | Living ft2 | List Price | Sold Price | Cost per ft2 | DOM | Sold Date |
|---|---|---|---|---|---|---|---|---|
| 4 Sachem Ln | 4 | 5 | 4,662 | $3,875,000 | $3,500,000 | $750 | 111 days | 10/20/26 |
| 185 Valley Rd | 4 | 4 | 3,569 | $2,950,000 | $3,000,000 | $840 | 78 days | 7/7/26 |
| 33 Mead Ave | 4 | 4 | 3,492 | $2,495,000 | $2,700,000 | $773 | 49 days | 8/26/26 |
| 6 Fox Hollow Ln | 5 | 5 | 4,928 | $2,800,000 | $2,670,000 | $541 | 123 days | 1/12/26 |
| 98 Hillcrest Park Rd | 4 | 4 | 3,298 | $2,150,000 | $2,610,000 | $791 | 100 days | 5/29/26 |
| 20 Ridge Rd | 3 | 4 | 1,839 | $1,795,000 | $2,503,000 | $1,361 | 80 days | 7/31/26 |
| 10 Steep Hollow Ln | 4 | 3 | 3,852 | $2,499,000 | $2,499,000 | $648 | 77 days | 9/21/26 |
| 681 River Rd | 4 | 5 | 3,826 | $2,600,000 | $2,445,000 | $639 | 225 days | 7/24/26 |
| 9 Deluca Dr | 4 | 4 | 2,902 | $2,395,000 | $2,350,000 | $809 | 72 days | 8/21/26 |
| 34 1/2 Orchard St | 4 | 3 | 2,126 | $1,895,000 | $2,022,000 | $951 | 39 days | 6/22/26 |
| Average: | 3.1 | 2.9 | 2,288 | $1,532,700 | $1,584,871 | $704 | 75 days | |
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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. Copyright 2026 SmartMLS, Inc.