1 River Ln, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 1 River Ln, Cos Cob, CT 06807 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 3.5 ba · 2,329 sqft · built 1957
Lot Size	0.14 acres (6,098 sqft)
Owner	2 Individual Names on File
Last Sale	$712,500 (Jul 2012)
Tax Bill	$9,510 (2024)
Deeds & Mortgages	Sep 2020 Mortgage Dec 2017 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`08-1348S`

Property Details

APN / Parcel Number

Primary APN	`08-1348S`
Alternative APNs	`GREE M:08 B:1348/S` `366/128`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,329 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1960
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Foundation Type	No Foundation
Roof Type	Gable
Roof Material	Asphalt
Lot Area	6,098 sqft (0.14 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	366/128
Street Address	1 RIVER LN
City	COS COB
State	CT
Zip	06807-2513
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Block	1348/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1001
Census Tract	10800

Owner

Source: Greenwich Town records · APN 08-1348S

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	2 Individual Names on File
Mailing Address	1 RIVER LN, COS COB, CT 06807-2513
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 03, 2020	Deed of Trust, Mortgage · ARM TD BANK NA
Dec 29, 2017	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 03, 2012 · Amount on Record
Deed Sale	Jul 03, 2012 · Amount on Record
Deed Book / Page	6373 / 4
Record Updated	Sep 20, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	1 RIVER LN, COS COB, CT 06807-2513
Transaction Type	Mortgage
Record Updated	Feb 05, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	7733-24
Date	Sep 03, 2020
Book Page	7733/24
Instrument	7708

Lender

Name	TD BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Oct 01, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.88%
Type Change Date	Sep 01, 2030
Index	LIBOR

December 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	1 RIVER LN, COS COB, CT 06807-2513
Document Number	7337-86
Transaction Type	Mortgage
Record Updated	Aug 30, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1 RIVER LN COS COB CT 068072513, COS COB, CT 06807-2513

Mortgage

Document Number	7337-86
Date	Dec 29, 2017
Book Page	007337/000086

Lender

Name	BANK OF AMERICA
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Dec 28, 2047

Interest

Rate Type	Adjustable Rate

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		$769,510 (-) Land $430,850 Building $338,660	$538,657 Land $301,595 Building $237,062
2024	$9,510.00 (+6.21%)
2023	$8,954.00 (+0.92%)	$769,510 (-) Land $430,850 Building $338,660
2022	$8,872.00	$769,510 Land $430,850 Building $338,660

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 X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

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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