Greenwich Town property record for 9 Sinawoy Rd, Cos Cob, CT 06807
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,796 sqft · built 1978 |
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,127,000 (Jan 2007) |
| Tax Bill | $7,341 (2026) |
| Flood Zone | Zone AE (high risk) |
| APN | 08A-1579S |
| Primary APN | 08A-1579S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,796 sqft Living Area |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Raised Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 7,405 sqft (0.17 acres) |
| Deck Area | Deck Area |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 366/061 |
|---|---|
| Street Address | 9 SINAWOY RD |
| City | COS COB |
| State | CT |
| Zip | 06807-2311 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-7 |
| Legal Block | 1579/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 10800 |
9 Sinawoy Rd is owned and occupied by two individuals who bought it in January 2007.
Source: Greenwich Town records, as of October 21, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 9 SINAWOY RD, COS COB, CT 06807-2311 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Et Al (and Others) |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Jan 30, 2007 · Amount on File |
| Deed Sale | Jan 30, 2007 · Amount on File |
| Deed Book / Page | 5339 / 207 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 9 Sinawoy Rd was $7,341, up 9.4% from the year before.
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 | $7,341.00 (+9.35%) | $700,210 (+28.9%) Land $448,560 Building $251,650 | $2,000,407 (+426.09%) |
| 2025 | $6,713.00 | $543,200 Land $358,820 Building $184,380 | $380,240 Land $251,174 Building $129,066 |
| 2024 | $6,713.00 (+6.2%) | ||
| 2023 | $6,321.00 (+0.93%) | $543,200 (-) Land $358,820 Building $184,380 | |
| 2022 | $6,263.00 | $543,200 Land $358,820 Building $184,380 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 9 Sinawoy Rd in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective November 28, 2025
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 11.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 9 Sinawoy Rd has no burnable land within ember reach, so its wildfire risk is not rated.
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.
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