Greenwich Town property record for 8 Serenity Ln, Cos Cob, CT 06807
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 5 ba · 4,198 sqft · built 1967 |
| Lot Size | 1 acres (43,560 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $2,123,501 (Mar 2005) |
| Tax Bill | $19,725 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08A-1222S |
| Primary APN | 08A-1222S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 13 Rooms |
| Stories | 2 Stories |
| Building Area | 4,198 sqft Living Area |
| Basement Area | 1,610 sqft |
| Unfinished Basement | 1,610 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 43,560 sqft (1 acres) |
| Garage Type | Attached |
| Parking Spaces | 1 Parking Space |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 399/023 |
|---|---|
| Street Address | 8 SERENITY LN |
| City | COS COB |
| State | CT |
| Zip | 06807-1417 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RA-1 |
| Legal Block | 1222/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 10202 |
Source: Greenwich Town records, as of October 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 8 SERENITY LN, COS COB, CT 06807-1417 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 29, 2005 · Amount on Record |
| Deed Sale | Mar 29, 2005 · Amount on Record |
| Prior Sale | Aug 27, 2001 · Amount on Record |
| Deed Book / Page | 4881 / 101 |
| Transfer Doc | 7109-25 |
| 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 | $19,725.00 (+1.79%) | $1,881,460 (+19.99%) Land $785,400 Building $1,096,060 | $3,379,115 (+207.86%) |
| 2025 | $19,379.00 | $1,568,000 (+13.54%) Land $654,500 Building $913,500 | $1,097,600 Land $458,150 Building $639,450 |
| 2024 | $19,379.00 (+20.59%) | ||
| 2023 | $16,070.00 (+4.38%) | $1,381,030 (+3.43%) Land $654,500 Building $726,530 | |
| 2022 | $15,395.00 | $1,335,250 Land $654,500 Building $680,750 |
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 94% of the US · lower than 89% 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 115 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 2,300 / 2,300 |
May also be available: Frontier.
5G and 4G LTE (outdoors only)
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