Greenwich Town property record for 4 Relay Ct, Cos Cob, CT 06807
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,029 sqft · built 1920 |
| Lot Size | 0.09 acres (3,920 sqft) |
| Owner | Company Name on Record |
| Last Sale | $639,000 (Aug 2021) |
| Tax Bill | $5,457 (2025) |
| Deeds & Mortgages | Aug 2021 Sale |
| Flood Zone | Zone AE (high risk) |
| APN | 08-1404S |
| Primary APN | 08-1404S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,029 sqft Living Area |
| Basement Area | 864 sqft |
| Unfinished Basement | 864 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Bungalow |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 3,920 sqft (0.09 acres) |
| Garage Type | Detached |
| Parking Spaces | 1 Parking Space |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 366/211 |
|---|---|
| Street Address | 4 RELAY CT |
| City | COS COB |
| State | CT |
| Zip | 06807-2712 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-7 |
| Legal Block | 1404/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 10800 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 54 WOODSIDE DR, GREENWICH, CT 06830-6730 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 10, 2021 · Amount on Record |
| Deed Sale | Aug 10, 2021 · Amount on Record |
| Prior Sale | Nov 25, 2015 · Amount on Record |
| Deed Document Number | 20219278 |
| Deed Book / Page | 7950 / 243 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Aug 10, 2021 |
| Property Address | 4 RELAY CT, COS COB, CT 06807-2712 |
| Document Number | 007950-243 |
| Book / Page | 7950 / 243 |
| Instrument Date | Aug 3, 2021 |
| Instrument | 9278 |
| Transaction Type | Transfer |
| Record Updated | Jul 29, 2022 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 11 SACHEM RD, GREENWICH, CT 06830-7230 |
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 | $5,457.00 | $441,560 (-) Land $311,500 Building $130,060 | $309,092 Land $218,050 Building $91,042 |
| 2024 | $5,457.00 (+6.21%) | ||
| 2023 | $5,138.00 (+0.92%) | $441,560 (-) Land $311,500 Building $130,060 | |
| 2022 | $5,091.00 | $441,560 Land $311,500 Building $130,060 |
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 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.
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 288 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 |
May also be available: Frontier, T-Mobile.
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