Greenwich Town property record for 46 Sinawoy Rd, Cos Cob, CT 06807
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 4 ba · 3,108 sqft · built 1916 |
| Lot Size | 0.28 acres (12,197 sqft) |
| Owner | Company Name on Record |
| Last Sale | $985,000 (Jul 2000) |
| Tax Bill | $9,010 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-2955S |
| Primary APN | 08-2955S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,108 sqft Living Area |
| Basement Area | 1,595 sqft |
| Unfinished Basement | 1,595 sqft |
| Year Built | Built 1916 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Duplex Single |
| Exterior Material | Stone |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 12,197 sqft (0.28 acres) |
| Garage Type | Detached |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 365/296 |
|---|---|
| Street Address | 46 SINAWOY RD |
| City | COS COB |
| State | CT |
| Zip | 06807-2300 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R-7 |
| Legal Block | 2955/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 10800 |
Source: Greenwich Town records, as of October 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 20 SUMMER ST, STAMFORD, CT 06901-2304 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 3, 2000 · Amount on Record |
| Deed Sale | Jul 3, 2000 · Amount on Record |
| Deed Book / Page | 3440 / 90 |
| Record Updated | Oct 29, 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 |
|---|---|---|---|
| 2026 | $9,010.00 (-0.27%) | $859,390 (+17.57%) Land $592,550 Building $266,840 | $1,962,644 (+283.59%) |
| 2025 | $9,034.00 | $730,940 (-) Land $474,040 Building $256,900 | $511,658 Land $331,828 Building $179,830 |
| 2024 | $9,034.00 (+6.22%) | ||
| 2023 | $8,505.00 (+0.91%) | $730,940 (-) Land $474,040 Building $256,900 | |
| 2022 | $8,428.00 | $730,940 Land $474,040 Building $256,900 |
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 |
|---|---|
| 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 | Not rated no burnable land within ember reach |
|---|
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 328 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| Starlink Satellite | 280 / 30 |
May also be available: Frontier.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures