Greenwich Town property records for 20 units in 9 River Rd, Cos Cob, CT · Last verified October 2026
| Properties | 20 |
|---|---|
| Median Sale Price | $494,000 |
| Deeds and Mortgages on File | 25 |
| Median Price per Sqft | $432 |
| Owner Occupied | 80% |
| Median Annual Tax Bill | $4,107 |
| Median Year Built | 1979 |
| Median Ownership Tenure | 7 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 401 River Rd |
1 bd · 1 ba · 1,021 sqft built 1979 · 2.75 acres | $477,000 May 2004 | $3,705 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 402 River Rd |
2 bd · 2 ba · 1,181 sqft built 1979 · 2.75 acres | $400,000 Nov 2000 | $4,353 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 403 River Rd |
2 bd · 2 ba · 1,125 sqft built 1979 · 2.75 acres | $704,000 Sep 2023 | $4,218 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 404 River Rd |
1 bd · 1 ba · 1,069 sqft built 1979 · 2.75 acres | $515,000 Jun 2007 | $4,107 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 405 River Rd |
1 bd · 1 ba · 838 sqft built 1979 · 2.75 acres | $362,000 Mar 2020 | $3,323 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 406 River Rd |
2 bd · 2 ba · 1,181 sqft built 1979 · 2.75 acres | $494,000 Apr 2019 | $4,353 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 407 River Rd |
2 bd · 2 ba · 1,125 sqft built 1979 · 2.75 acres | $237,500 Jul 1996 | $4,113 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 408 River Rd |
1 bd · 1 ba · 1,069 sqft built 1979 · 2.75 acres | $407,000 Mar 2019 | $3,838 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 409 River Rd |
1 bd · 1 ba · 1,021 sqft built 1979 · 2.75 acres | $502,624 Sep 2024 | $3,705 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 410 River Rd |
2 bd · 2 ba · 1,181 sqft built 1979 · 2.75 acres | $4,353 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 411 River Rd |
2 bd · 2 ba · 1,125 sqft built 1979 · 2.75 acres | $532,000 Nov 2014 | $4,199 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 412 River Rd |
1 bd · 1 ba · 1,069 sqft built 1979 · 2.75 acres | $434,000 Sep 2013 | $3,884 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 413 River Rd |
1 bd · 1 ba · 1,021 sqft built 1979 · 2.75 acres | $439,000 Nov 2022 | $3,653 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 414 River Rd |
2 bd · 2 ba · 1,181 sqft built 1979 · 2.75 acres | $308,000 May 1999 | $4,463 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 415 River Rd |
2 bd · 2 ba · 1,125 sqft built 1979 · 2.75 acres | $450,000 Nov 2019 | $4,113 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 416 River Rd |
1 bd · 1 ba · 1,069 sqft built 1979 · 2.75 acres | $3,839 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 417 River Rd |
1 bd · 1 ba · 1,021 sqft built 1979 · 2.75 acres | $340,000 Aug 2012 | $3,705 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 418 River Rd |
2 bd · 2.5 ba · 1,181 sqft built 1979 · 2.75 acres | $855,000 Jul 2026 | $4,353 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 419 River Rd |
2 bd · 2 ba · 1,125 sqft built 1979 · 2.75 acres | $550,000 Jun 2004 | $4,058 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9, Unit 420 River Rd |
1 bd · 1 ba · 1,069 sqft built 1979 · 2.75 acres | $462,500 Feb 2021 | $3,788 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |