Greenwich Town property record for 11 Barton Ln, Cos Cob, CT 06807
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,883 sqft · built 1955 |
| Lot Size | 1.25 acres (54,450 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $517,500 (Aug 1997) |
| Tax Bill | $8,830 (2026) |
| Deeds & Mortgages | Apr 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-3394 |
| Primary APN | 08-3394 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,883 sqft Living Area |
| Basement Area | 1,044 sqft |
| Unfinished Basement | 1,044 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Flat |
| Roof Material | Built-Up Asphalt |
| Lot Area | 54,450 sqft (1.25 acres) |
| Deck Area | Deck Area |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 380/044 |
|---|---|
| Street Address | 11 BARTON LN |
| City | COS COB |
| State | CT |
| Zip | 06807-1501 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RA-2 |
| Legal Block | 3394 |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 10202 |
11 Barton Ln is owner-occupied and held in a trust since April 2026.
Source: Greenwich Town records, as of October 21, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 11 BARTON LN, COS COB, CT 06807-1501 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
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 | Aug 20, 1997 · Amount on File |
| Deed Sale | Aug 20, 1997 · Amount on File |
| Deed Book / Page | 2958 / 294 |
| Last Transfer Date | Apr 24, 2026 |
| Transfer Doc | 008559-237 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Apr 30, 2026 |
| Property Address | 11 BARTON LN, COS COB, CT 06807-1501 |
| Document Number | 008559-237 |
| Book / Page | 8559 / 237 |
| Instrument Date | Apr 24, 2026 |
| Instrument | 20262409 |
| Transaction Type | Transfer |
| Record Updated | Aug 28, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 11 BARTON LN, COS COB, CT 06807-1501 |
The 2026 property tax bill for 11 Barton Ln was $8,830, down 1.3% 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 | $8,830.00 (-1.33%) | $872,130 (+17.34%) Land $725,760 Building $146,370 | $1,557,179 (+199.3%) |
| 2025 | $8,949.00 | $743,260 Land $546,700 Building $196,560 | $520,282 Land $382,690 Building $137,592 |
| 2024 | $8,949.00 (+5.71%) | ||
| 2023 | $8,466.00 (+0.98%) | $743,260 (-) Land $546,700 Building $196,560 | |
| 2022 | $8,384.00 | $743,260 Land $546,700 Building $196,560 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 11 Barton Ln in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 11 Barton Ln is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 86% of Connecticut |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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.
5G and 4G LTE (outdoors only)
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