3 River Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 3 River Rd, Cos Cob, CT 06807 · Last verified July 2026

Property Summary

Property Type	Office Building
Details	11,189 sqft · built 1983
Lot Size	1.9 acres (82,764 sqft)
Owner	Company Name on File
Last Sale	$165,000 (Aug 1995)
Tax Bill	$104,120 (2025)
Deeds & Mortgages	Jul 2021 Refinance Jan 2022 Refinance
Flood Zone	Zone AE (high risk)
APN	`08A-1910S`

Property Details

APN / Parcel Number

Primary APN	`08A-1910S`
Alternative APNs	`GREE M:08A B:1910/S` `367/56A`

Interior

Total Rooms	1 Room
Units	6 Units
Stories	3 Stories
Building Area	11,189 sqft Total Area
Elevator	Elevator

Exterior

Year Built	Built 1983
Effective Year Built	Effective 1983
Construction Type	Frame
Roof Material	Shingle
Lot Area	82,764 sqft (1.9 acres)

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	367/56A
Street Address	3 RIVER RD
City	COS COB
State	CT
Zip	06807-2717
Property Category	Commercial
Property Type	Commercial > Office > Office Building
Legal Subdivision	PALMER POINT
Legal Block	1910/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1011
Census Tract	10800

Owner

Source: Greenwich Town records · APN 08A-1910S

Assessment roll updated June 25, 2026 · Last verified July 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 File
Mailing Address	361 STANWICH RD, GREENWICH, CT 06830-3524
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Jul 26, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance ANDREW BURSKY
Jan 19, 2022	Deed of Trust, Mortgage · Stand-Alone Refinance AMERITAS LIFE INS COR

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Aug 17, 1995 · Amount on Record
Deed Sale	Aug 17, 1995 · Amount on Record
Deed Book / Page	2688 / 321
Record Updated	Sep 20, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	3 RIVER RD, COS COB, CT 06807-2717
Transaction Type	Mortgage
Record Updated	Jul 29, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	007937-332
Date	Jul 26, 2021
Book Page	7937/332
Instrument	8546

Lender

Name	ANDREW BURSKY

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	3 RIVER RD, COS COB, CT 06807-2717
Transaction Type	Mortgage
Record Updated	Jul 29, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0008047-88
Date	Jan 19, 2022
Book Page	8047/88
Instrument	580

Lender

Name	AMERITAS LIFE INS COR

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	181 Months
Due	Feb 01, 2037

Tax Assessment & Valuation

Source: Greenwich Town records · Assessment roll updated June 25, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision	Greenwich Town
Unified School District	Greenwich School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$104,120.00	$8,424,640 (+8.67%) Land $7,123,900 Building $1,300,740	$5,897,248 Land $4,986,730 Building $910,518
2024	$104,120.00 (+15.42%)
2023	$90,211.00 (+0.92%)	$7,752,780 (-) Land $7,123,900 Building $628,880
2022	$89,390.00	$7,752,780 Land $7,123,900 Building $628,880

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, County delivery 09001C, updated November 28, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE
Special Flood Hazard Area	Yes
Flood Hazard	High
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	13.0 ft
Flood Insurance Requirement	Required (federally backed mortgages)

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 288 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Optimum Communications	Fiber	8,000 / 8,000
Verizon	Fiber	980 / 880
Optimum Communications	Cable	940 / 35
Starlink	Satellite (low-earth orbit)	280 / 30

May also be available at this address: T-Mobile USA, Verizon, Frontier. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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