Greenwich Town property record for 31 Cognewaugh Rd, Cos Cob, CT 06807
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,620 sqft · built 1952 |
| Lot Size | 0.35 acres (15,246 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,100,000 (Apr 2024) |
| Tax Bill | $8,688 (2026) |
| Deeds & Mortgages | Apr 2024 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-1149S |
| Primary APN | 08-1149S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,620 sqft Living Area |
| Basement Area | 1,120 sqft |
| Unfinished Basement | 1,120 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Cape Cod |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 15,246 sqft (0.35 acres) |
| Garage Type | Attached |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 403/097 |
|---|---|
| Street Address | 31 COGNEWAUGH RD |
| City | COS COB |
| State | CT |
| Zip | 06807-1721 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-12 |
| Legal Block | 1149/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 10202 |
Source: Greenwich Town records, as of October 21, 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 Record |
|---|---|
| Mailing Address | 31 COGNEWAUGH RD, COS COB, CT 06807-1721 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Individual(s) |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 4, 2024 · Amount on Record |
| Deed Sale | Apr 4, 2024 · Amount on Record |
| Deed Document Number | 20241625 |
| Deed Book / Page | 8311 / 208 |
| Record Updated | Oct 29, 2026 |
| Document Type | Executor's Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Apr 4, 2024 |
| Property Address | 31 COGNEWAUGH RD, COS COB, CT 06807-1721 |
| Document Number | 008311-208 |
| Book / Page | 8311 / 208 |
| Instrument Date | Apr 3, 2024 |
| Instrument | 1625 |
| Transaction Type | Transfer |
| Record Updated | Apr 18, 2024 |
| 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 | 0000001626 |
|---|---|
| Date | Apr 4, 2024 |
| Instrument | 1626 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $8,688.00 (+10.7%) | $828,660 (+30.49%) Land $663,460 Building $165,200 | $1,481,499 (+233.27%) |
| 2025 | $7,848.00 | $635,040 (-) Land $512,540 Building $122,500 | $444,528 Land $358,778 Building $85,750 |
| 2024 | $7,848.00 (+6.21%) | ||
| 2023 | $7,389.00 (+0.92%) | $635,040 (-) Land $512,540 Building $122,500 | |
| 2022 | $7,322.00 | $635,040 Land $512,540 Building $122,500 |
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 |
|---|---|
| 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 319 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Frontier Fiber | 5,000 / 5,000 |
May also be available: Verizon.
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