Greenwich Town property record for 136 Cat Rock Rd, Cos Cob, CT 06807
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 5 ba · 3,943 sqft · built 1934 |
| Lot Size | 0.93 acres (40,511 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,505,000 (Apr 2009) |
| Tax Bill | $18,894 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-2037 |
| Primary APN | 08-2037 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,943 sqft Living Area |
| Basement Area | 1,399 sqft |
| Unfinished Basement | 1,399 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1934 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 40,511 sqft (0.93 acres) |
| Garage Type | Attached |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 359/003 |
|---|---|
| Street Address | 136 CAT ROCK RD |
| City | COS COB |
| State | CT |
| Zip | 06807-1302 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RA-2 |
| Legal Block | 2037 |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 4 |
| Census Block | 4000 |
| 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 | 136 CAT ROCK RD, COS COB, CT 06807-1302 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 30, 2009 · Amount on Record |
| Deed Sale | Apr 30, 2009 · Amount on Record |
| Prior Sale | Feb 19, 2009 |
| Deed Book / Page | 5764 / 20 |
| Transfer Doc | 0005764-20 |
| Record Updated | Oct 29, 2026 |
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 | $18,894.00 (+3.57%) | $1,866,060 (+23.15%) Land $693,700 Building $1,172,360 | $3,349,445 (+215.79%) |
| 2025 | $18,243.00 | $1,515,220 (-) Land $517,160 Building $998,060 | $1,060,654 Land $362,012 Building $698,642 |
| 2024 | $18,243.00 (+5.71%) | ||
| 2023 | $17,258.00 (+0.97%) | $1,515,220 (-) Land $517,160 Building $998,060 | |
| 2022 | $17,092.00 | $1,515,220 Land $517,160 Building $998,060 |
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 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 80% of the US · above 55% of Connecticut |
|---|---|
| Wildfire Likelihood | 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: FCC Broadband Data Collection, based on 83 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
May also be available: Verizon.
5G and 4G LTE (outdoors only)
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