48 River Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 48 River Rd, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,641 sqft · built 1949
Lot Size	0.25 acres (10,890 sqft)
Owner	Company Name on Record
Last Sale	$1,000,000 (Nov 2025)
Tax Bill	$6,702 (2025)
Deeds & Mortgages	Nov 2025 Sale Sep 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`08-3326S`

Property Details

APN / Parcel Number

Primary APN	`08-3326S`
Alternative APNs	`GREE M:08 B:3326/S` `366/186`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,641 sqft Living Area
Basement Area	867 sqft
Unfinished Basement	867 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1949
Effective Year Built	Effective 1950
Architectural Style	Cape Cod
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	10,890 sqft (0.25 acres)
Garage Type	Detached
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	366/186
Street Address	48 RIVER RD
City	COS COB
State	CT
Zip	06807-2726
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-7
Legal Block	3326/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1004
Census Tract	10800

Owner

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	48 RIVER RD, COS COB, CT 06807-2726
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Nov 18, 2025	Executor's Deed, Transfer
Sep 20, 2019	Deed of Trust, Mortgage · FHA Mortgage AMERICAN ADVISORS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 18, 2025 · Amount on Record
Deed Sale	Nov 18, 2025 · Amount on Record
Prior Sale	Oct 6, 1993 · Amount on Record
Deed Document Number	20256798
Deed Book / Page	8501 / 187
Record Updated	Sep 20, 2026

November 2025: Executor's Deed, Transfer

Document Type	Executor's Deed
Jurisdiction	GREENWICH CT
Recording Date	Nov 18, 2025
Property Address	48 RIVER RD, COS COB, CT 06807-2726
Document Number	008501-187
Book / Page	8501 / 187
Instrument Date	Nov 11, 2025
Instrument	6798
Transaction Type	Transfer
Record Updated	Dec 3, 2025

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	48 RIVER RD, COS COB, CT 06807-2726

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	48 RIVER RD, COS COB, CT 06807-2726
Document Number	7568-257
Instrument Date	Sep 20, 2019
Transaction Type	Mortgage
Record Updated	Oct 22, 2019
Title Company	UNKNOWN

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	48 RIVER RD COS COB CT 068072726, COS COB, CT 06807-2726

Mortgage

Document Number	7568-257
Date	Oct 4, 2019
Book Page	007568/000257
Instrument	7878

Lender

Name	AMERICAN ADVISORS

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	912 Months
Due	Oct 3, 2095

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
2025	$6,702.00	$542,290 (-) Land $390,390 Building $151,900	$379,603 Land $273,273 Building $106,330
2024	$6,702.00 (+6.21%)
2023	$6,310.00 (+0.91%)	$542,290 (-) Land $390,390 Building $151,900
2022	$6,253.00	$542,290 Land $390,390 Building $151,900

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	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.

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 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.

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