Greenwich Town property record for 661 River Rd, Cos Cob, CT 06807
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,776 sqft · built 1985 |
| Lot Size | 1.09 acres (47,480 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $1,687,500 (Oct 2013) |
| Tax Bill | $16,163 (2025) |
| Deeds & Mortgages | Dec 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-3161S |
| Primary APN | 12-3161S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 3,776 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 47,480 sqft (1.09 acres) |
| Garage Type | Attached |
| Parking Spaces | 1 Parking Space |
| Pool Type | In-Ground Pool |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 400/004 |
|---|---|
| Street Address | 661 RIVER RD |
| City | COS COB |
| State | CT |
| Zip | 06807-1908 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RA-1 |
| Legal Block | 3161/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 10202 |
Source: Greenwich Town records, as of June 25, 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 Record |
|---|---|
| Mailing Address | 661 RIVER RD, COS COB, CT 06807-1908 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 11, 2013 · Amount on Record |
| Deed Sale | Oct 11, 2013 · Amount on Record |
| Prior Sale | Aug 31, 2001 · Amount on Record |
| Deed Book / Page | 6661 / 67 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GREENWICH CT |
| Property Address | 661 RIVER RD, COS COB, CT 06807-1908 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 7597-241 |
|---|---|
| Date | Dec 9, 2019 |
| Book Page | 7597/241 |
| Instrument | 9671 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Type Change Date | Dec 1, 2029 |
Source: Greenwich Town assessment roll, as of June 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision | Greenwich Town |
| Unified School District | Greenwich School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $16,163.00 | $1,307,810 (-) Land $748,230 Building $559,580 | $915,467 Land $523,761 Building $391,706 |
| 2024 | $16,163.00 (+6.21%) | ||
| 2023 | $15,218.00 (+0.92%) | $1,307,810 (-) Land $748,230 Building $559,580 | |
| 2022 | $15,079.00 | $1,307,810 Land $748,230 Building $559,580 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective November 28, 2025
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 86% of Connecticut |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 131 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Frontier Fiber | 7,000 / 7,000 |
May also be available: Verizon.
4G LTE (outdoors only), no 5G reported
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