533 River Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 533 River Rd, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,160 sqft · built 1970
Lot Size	0.28 acres (12,197 sqft)
Owner	Individual Name on Record
Last Sale	$680,000 (Oct 2002)
Tax Bill	$9,275 (2026)
Deeds & Mortgages	Sep 2021 Refinance Dec 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`12-2672S`

Property Details

APN / Parcel Number

Primary APN	`12-2672S`
Alternative APNs	`GREE M:12 B:2672/S` `402/019`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,160 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1970
Effective Year Built	Effective 1970
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Foundation Type	Raised
Roof Type	Gable
Roof Material	Asphalt
Lot Area	12,197 sqft (0.28 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	402/019
Street Address	533 RIVER RD
City	COS COB
State	CT
Zip	06807-1904
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-12
Legal Block	2672/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	3
Census Block	3009
Census Tract	10202

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	Individual Name on Record
Mailing Address	533 RIVER RD, COS COB, CT 06807-1904
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 2, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance PEOPLES UNITED BANK
Dec 28, 2020	Deed of Trust, Mortgage · ARM PEOPLES UNITED BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 30, 2002 · Amount on Record
Deed Sale	Oct 30, 2002 · Amount on Record
Deed Book / Page	4008 / 304
Record Updated	Oct 29, 2026

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	533 RIVER RD, COS COB, CT 06807-1904
Transaction Type	Mortgage
Record Updated	Sep 16, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	7967-167
Date	Sep 2, 2021
Book Page	7967/167
Instrument	10281

Lender

Name	PEOPLES UNITED BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	533 RIVER RD, COS COB, CT 06807-1904
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	7799-58
Date	Dec 28, 2020
Book Page	7799/58
Instrument	11736

Lender

Name	PEOPLES UNITED BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.75%
Type Change Date	Jan 1, 2028
Index	LIBOR

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	$9,275.00 (+17.45%)	$884,660 (+38.45%) Land $691,460 Building $193,200	$1,631,450 (+264.76%)
2025	$7,897.00	$638,960 (-) Land $496,860 Building $142,100	$447,272 Land $347,802 Building $99,470
2024	$7,897.00 (+6.21%)
2023	$7,435.00 (+0.92%)	$638,960 (-) Land $496,860 Building $142,100
2022	$7,367.00	$638,960 Land $496,860 Building $142,100

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 A, 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 96% of the US · lower than 94% 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 319 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

May also be available: Verizon.

Cell Coverage

5G and 4G LTE (outdoors only)

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