Greenwich Town property record for 9 Walnut St, Cos Cob, CT 06807 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.52 acres (22,651 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,375,000 (Aug 2026) |
| Tax Bill | $8,825 (2025) |
| Deeds & Mortgages | Aug 2026 Sale Jul 2025 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-2718S |
| Primary APN | 08-2718S |
|---|---|
| Alternative APNs |
|
| Lot Area | 22,651 sqft (0.52 acres) |
|---|---|
| Deck Area | Deck Area |
| Total Buildings | 2 Buildings |
| Account Number | 400/037 |
|---|---|
| Street Address | 9 WALNUT ST |
| City | COS COB |
| State | CT |
| Zip | 06807-1631 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 2718/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 10202 |
Source: Greenwich Town records · APN 08-2718S
Assessment roll updated June 25, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 9 WALNUT ST, COS COB, CT 06807-1631 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Aug 03, 2026 | Warranty Deed, Transfer |
| Jul 10, 2025 | Executor's Deed, Transfer |
| Jul 10, 2025 | Deed, Transfer |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 03, 2026 · Amount on Record |
| Deed Sale | Aug 03, 2026 · Amount on Record |
| Deed Document Number | 20264851 |
| Deed Book / Page | 8597 / 205 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Aug 03, 2026 |
| Property Address | 9 WALNUT ST, COS COB, CT 06807-1631 |
| Document Number | 0000004851 |
| Book / Page | 8597 / 205 |
| Instrument Date | Aug 03, 2026 |
| Instrument | 20264851 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2026 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 9 WALNUT ST, COS COB, CT 06807-1631 |
| Document Type | Executor's Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Jul 10, 2025 |
| Property Address | 9 WALNUT ST, COS COB, CT 06807-1631 |
| Document Number | 008457-195 |
| Book / Page | 8457 / 195 |
| Instrument Date | Jun 26, 2025 |
| Instrument | 4036 |
| Transaction Type | Transfer |
| Record Updated | Jul 23, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 9 WALNUT ST, COS COB, CT 06807-1631 |
| Document Type | Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Jul 10, 2025 |
| Property Address | 9 WALNUT ST, COS COB, CT 06807-1631 |
| Document Number | 008457-192 |
| Book / Page | 8457 / 192 |
| Instrument Date | Jun 26, 2025 |
| Instrument | 4035 |
| Transaction Type | Transfer |
| Record Updated | Jul 23, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 9 WALNUT ST, COS COB, CT 06807-1631 |
Source: Greenwich Town records · Assessment roll updated June 25, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision | Greenwich Town |
| Unified School District | Greenwich School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,825.00 | $714,140 (-) Land $584,360 Building $129,780 | $499,898 Land $409,052 Building $90,846 |
| 2024 | $8,825.00 (+6.2%) | ||
| 2023 | $8,310.00 (+0.92%) | $714,140 (-) Land $584,360 Building $129,780 | |
| 2022 | $8,234.00 | $714,140 Land $584,360 Building $129,780 |
Source: FEMA National Flood Hazard Layer, County delivery 09001C updated November 28, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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