Greenwich Town property record for 1 River Rd, Cos Cob, CT 06807
| Property Type | Condominium Offices |
|---|---|
| Details | 8,496 sqft · built 1946 |
| Owner | Company Name on Record |
| Last Sale | $625,000 (Mar 2012) |
| Tax Bill | $42,134 (2025) |
| Deeds & Mortgages | Feb 2019 Transfer |
| Flood Zone | Zone AE (high risk) |
| APN | 08-1898S |
| Primary APN | 08-1898S |
|---|---|
| Alternative APNs |
|
| Total Rooms | 1 Room |
|---|---|
| Units | 7 Units |
| Stories | 2 Stories |
| Building Area | 8,496 sqft Total Area |
| Basement Area | 4,611 sqft |
| Unfinished Basement | 4,611 sqft |
| Elevator | Elevator |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Architectural Style | Condo/Apartment |
| Construction Type | Steel Frame |
| Roof Type | Flat |
| Roof Material | Built-Up Asphalt |
| Cooling System | HVAC |
|---|
| Account Number | 367/059 |
|---|---|
| Street Address | 1 RIVER RD |
| City | COS COB |
| State | CT |
| Zip | 06807-2755 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Condominium Offices |
| Local Zoning Code | WB |
| Legal Subdivision | ONE RIVER RD |
| Legal Block | 1898/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 10800 |
Source: Greenwich Town records, as of June 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 4496, GREENWICH, CT 06831-0409 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 28, 2012 · Amount on Record |
| Deed Sale | Mar 28, 2012 · Amount on Record |
| Prior Sale | Jun 27, 2006 · Amount on Record |
| Deed Book / Page | 6314 / 154 |
| Transfer Doc | 7473-299 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Feb 5, 2019 |
| Property Address | 1 RIVER RD, COS COB, CT 06807-2755 |
| Document Number | 7473-299 |
| Book / Page | 007473 / 000299 |
| Instrument Date | Feb 5, 2019 |
| Instrument | 715 |
| Transaction Type | Transfer |
| Record Updated | Feb 26, 2019 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1 RIVER RD COS COB CT 068072755, COS COB, CT 06807-2755 |
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 | $42,134.00 | $3,409,210 (-) Building $3,409,210 | $2,386,447 Building $2,386,447 |
| 2024 | $42,134.00 (+6.21%) | ||
| 2023 | $39,670.00 (+0.92%) | $3,409,210 (-) Building $3,409,210 | |
| 2022 | $39,308.00 | $3,409,210 Building $3,409,210 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 11.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
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 288 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, T-Mobile.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures