Greenwich Town property record for 18 Osee Pl, Cos Cob, CT 06807
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5.5 ba · 2,618 sqft · built 2006 |
| Lot Size | 0.19 acres (8,276 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $749,900 (Sep 2004) |
| Tax Bill | $15,118 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-3033S |
| Primary APN | 08-3033S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,618 sqft Living Area |
| Attic | Attic |
| Attic Area | 172 sqft |
| Basement Area | 1,230 sqft |
| Unfinished Basement | 1,230 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 8,276 sqft (0.19 acres) |
| Garage Type | Detached |
| Parking Spaces | 1 Parking Space |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Account Number | 341/043 |
|---|---|
| Street Address | 18 OSEE PL |
| City | COS COB |
| State | CT |
| Zip | 06807-2307 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-7 |
| Legal Block | 3033/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 10800 |
Source: Greenwich Town records, as of August 4, 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 | 18 OSEE PL, COS COB, CT 06807-2307 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 23, 2004 · Amount on Record |
| Deed Sale | Sep 23, 2004 · Amount on Record |
| Deed Book / Page | 4755 / 37 |
| Record Updated | Sep 20, 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 |
|---|---|---|---|
| 2025 | $15,118.00 | $1,223,250 (-) Land $638,680 Building $584,570 | $856,275 Land $447,076 Building $409,199 |
| 2024 | $15,118.00 (+6.21%) | ||
| 2023 | $14,234.00 (+0.92%) | $1,223,250 (-) Land $638,680 Building $584,570 | |
| 2022 | $14,104.00 | $1,223,250 Land $638,680 Building $584,570 |
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 | Not rated no burnable land within 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 124 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 980 / 880 |
5G (outdoors only) and 4G LTE
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