150 River Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 150 River Rd, Cos Cob, CT 06807

Property Summary

Property Type	Duplex
Details	2 bd · 2 ba · 1,449 sqft · built 1930
Lot Size	0.27 acres (11,761 sqft)
Owner	2 Individual Names on Record
Last Sale	$205,000 (Feb 1995)
Tax Bill	$7,986 (2026)
Deeds & Mortgages	May 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`08-1204S`

Property Details

APN / Parcel Number

Primary APN	`08-1204S`
Alternative APNs	`GREE M:08 B:1204/S` `386/132`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,449 sqft Living Area
Basement Area	792 sqft
Unfinished Basement	792 sqft

Exterior

Year Built	Built 1930
Effective Year Built	Effective 1950
Architectural Style	Duplex Single
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Material	Asphalt
Lot Area	11,761 sqft (0.27 acres)
Pool Type	Spa / Hot Tub (No Pool)

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	386/132
Street Address	150 RIVER RD
City	COS COB
State	CT
Zip	06807
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	LB
Legal Block	1204/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1000
Census Tract	10800

Owner

Source: Greenwich Town records, as of October 21, 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	150 RIVER RD, COS COB, CT 06807
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 8, 1995 · Amount on Record
Deed Sale	Feb 8, 1995 · Amount on Record
Deed Book / Page	2631 / 113
Record Updated	Oct 29, 2026

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	150 RIVER RD, COS COB, CT 06807
Transaction Type	Mortgage
Record Updated	Aug 10, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	7237-206
Date	May 2, 2017
Book Page	7237/206

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Amount	Amount Recorded
Term	180 Months
Due	May 1, 2032

Tax Assessment & Valuation

Source: Greenwich Town assessment roll, as of June 25, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$7,986.00 (+8.18%)	$761,740 (+27.53%) Land $615,860 Building $145,880	$1,000,930 (+139.39%)
2025	$7,382.00	$597,310 (-) Land $492,660 Building $104,650	$418,117 Land $344,862 Building $73,255
2024	$7,382.00 (+6.22%)
2023	$6,950.00 (+0.91%)	$597,310 (-) Land $492,660 Building $104,650
2022	$6,887.00	$597,310 Land $492,660 Building $104,650

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

Flood

Source: FEMA National Flood Hazard Layer, effective November 28, 2025

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 99% 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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 392 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Frontier Fiber	5,000 / 5,000
Verizon Fixed Wireless · Fiber in parts of the area	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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