Greenwich Town property record for 3 Walnut St, Cos Cob, CT 06807
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,922 sqft · built 1900 |
| Lot Size | 0.26 acres (11,326 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $1,025,000 (Oct 2020) |
| Tax Bill | $7,970 (2025) |
| Deeds & Mortgages | Oct 2020 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-1005S |
| Primary APN | 08-1005S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,922 sqft Living Area |
| Basement Area | 1,038 sqft |
| Unfinished Basement | 1,038 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 11,326 sqft (0.26 acres) |
| Garage Type | Detached |
| Parking Spaces | 1 Parking Space |
| Deck Area | Deck Area |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 400/038 |
|---|---|
| Street Address | 3 WALNUT ST |
| City | COS COB |
| State | CT |
| Zip | 06807-1631 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-12 |
| Legal Block | 1005/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 3 |
| Census Block | 3005 |
| 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 | 3 WALNUT ST, COS COB, CT 06807-1631 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 1, 2020 · Amount on Record |
| Deed Sale | Oct 1, 2020 · Amount on Record |
| Prior Sale | Mar 20, 1998 · Amount on Record |
| Deed Document Number | 20208650 |
| Deed Book / Page | 7748 / 164 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Oct 1, 2020 |
| Property Address | 3 WALNUT ST, COS COB, CT 06807-1631 |
| Document Number | 7748-164 |
| Book / Page | 7748 / 164 |
| Instrument Date | Sep 29, 2020 |
| Instrument | 8650 |
| Transaction Type | Transfer |
| Record Updated | Jun 28, 2021 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Number | 7748-166 |
|---|---|
| Date | Oct 1, 2020 |
| Book Page | 7748/166 |
| Instrument | 8651 |
| Name | MORGAN STANLEY CREDIT CORP |
|---|---|
| Type | Mortgage Company |
| Type | Balloon Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2050 |
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 | $7,970.00 | $644,840 (-) Land $484,470 Building $160,370 | $451,388 Land $339,129 Building $112,259 |
| 2024 | $7,970.00 (+6.22%) | ||
| 2023 | $7,503.00 (+0.91%) | $644,840 (-) Land $484,470 Building $160,370 | |
| 2022 | $7,435.00 | $644,840 Land $484,470 Building $160,370 |
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 99.1% of the US · lower than 99% of Connecticut |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 250 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.
4G LTE (outdoors only), no 5G reported
Search by:
By searching, you agree to: Terms • Privacy • Disclosures