Greenwich Town property record for 57 Cognewaugh Rd, Cos Cob, CT 06807
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,583 sqft · built 1960 |
| Lot Size | 0.33 acres (14,375 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $9,180 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-3944S |
| Primary APN | 08-3944S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,583 sqft Living Area |
| Basement Area | 1,542 sqft |
| Unfinished Basement | 1,542 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Cape Cod |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 14,375 sqft (0.33 acres) |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 402/140 |
|---|---|
| Street Address | 57 COGNEWAUGH RD |
| City | COS COB |
| State | CT |
| Zip | 06807-1735 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-12 |
| Legal Block | 3944/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 10202 |
57 Cognewaugh Rd is owned and occupied by an individual.
Source: Greenwich Town records, as of June 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 57 COGNEWAUGH RD, COS COB, CT 06807-1735 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
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 | $742,770 Land $503,020 Building $239,750 | $519,939 Land $352,114 Building $167,825 | |
| 2024 | $9,180.00 (+6.21%) | ||
| 2023 | $8,643.00 (+0.92%) | $742,770 (-) Land $503,020 Building $239,750 | |
| 2022 | $8,564.00 | $742,770 Land $503,020 Building $239,750 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 57 Cognewaugh Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective November 28, 2025
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 57 Cognewaugh Rd is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 94% 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: EPA Safe Drinking Water Information System, as of September 2026
| Water System | AQUARION-EASTERN FAIRFIELD COUNTY private · serves 351,756 people · EPA ID CT0150011 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2025 |
| Lead | Under 1 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 24 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 319 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Frontier Fiber | 5,000 / 5,000 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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