Greenwich Town property record for 561 River Rd, Cos Cob, CT 06807 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,381 sqft · built 1900 |
| Lot Size | 0.28 acres (12,197 sqft) |
| Owner | Individual Name on File |
| Last Sale | $160,000 (Mar 2021) |
| Tax Bill | $10,256 (2025) |
| Deeds & Mortgages | Aug 2023 Refinance Mar 2021 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-1538S |
| Primary APN | 12-1538S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,381 sqft Living Area |
| Basement Area | 483 sqft |
| Unfinished Basement | 483 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 12,197 sqft (0.28 acres) |
| Garage Type | Basement |
| Parking Spaces | 3 Parking Spaces |
| Greenhouse | Greenhouse |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Oil |
| Account Number | 402/058 |
|---|---|
| Street Address | 561 RIVER RD |
| City | COS COB |
| State | CT |
| Zip | 06807-1906 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 1538/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 10202 |
Source: Greenwich Town records · APN 12-1538S
Assessment roll updated June 25, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 561 RIVER RD, COS COB, CT 06807-1906 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Aug 03, 2023 | Deed of Trust, Mortgage · Stand-Alone Refinance BANK OF AMERICA NA |
| Mar 08, 2021 | Warranty Deed, Transfer |
| Feb 08, 2017 | Deed of Trust, Mortgage · Conventional Mortgage SAVINGS BK/DANBURY |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 08, 2021 · Amount on Record |
| Deed Sale | Mar 08, 2021 · Amount on Record |
| Prior Sale | Feb 24, 2014 · Amount on Record |
| Deed Document Number | 20212297 |
| Deed Book / Page | 7840 / 141 |
| Transfer Doc | 6710-125 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GREENWICH CT |
| Property Address | 561 RIVER RD, COS COB, CT 06807-1906 |
| Transaction Type | Mortgage |
| Record Updated | Aug 17, 2023 |
| Name | Verified Name |
|---|
| Document Number | 008246-109 |
|---|---|
| Date | Aug 03, 2023 |
| Book Page | 8246/109 |
| Instrument | 4616 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2053 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Mar 08, 2021 |
| Property Address | 561 RIVER RD, COS COB, CT 06807-1906 |
| Document Number | 7840-141 |
| Book / Page | 7840 / 141 |
| Instrument Date | Mar 01, 2021 |
| Instrument | 2297 |
| Transaction Type | Transfer |
| Record Updated | May 21, 2021 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 561 RIVER RD, COS COB, CT 06807-1906 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GREENWICH CT |
| Property Address | 561 RIVER RD, COS COB, CT 06807-1906 |
| Document Number | 7200-28 |
| Book / Page | 007200 / 000028 |
| Transaction Type | Mortgage |
| Record Updated | Mar 14, 2017 |
| Name | Verified Name |
|---|
| Document Number | 7200-28 |
|---|---|
| Date | Feb 08, 2017 |
| Book Page | 007200/000028 |
| Name | SAVINGS BK/DANBURY |
|---|---|
| Type | Federal Savings Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Feb 07, 2047 |
Source: Greenwich Town records · Assessment roll updated June 25, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision | Greenwich Town |
| Unified School District | Greenwich School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $10,256.00 | $829,850 (-) Land $497,210 Building $332,640 | $580,895 Land $348,047 Building $232,848 |
| 2024 | $10,256.00 (+6.21%) | ||
| 2023 | $9,656.00 (+0.92%) | $829,850 (-) Land $497,210 Building $332,640 | |
| 2022 | $9,568.00 | $829,850 Land $497,210 Building $332,640 |
Source: FEMA National Flood Hazard Layer, County delivery 09001C, updated November 28, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Wildfire Risk | Low above 4% of the US · above 6% of Connecticut |
|---|---|
| Wildfire Likelihood | Less than 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 319 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Optimum Communications | Fiber | 8,000 / 8,000 |
| Frontier | Fiber | 5,000 / 5,000 |
| Optimum Communications | Cable | 940 / 35 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE (outdoors only)
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