649 River Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 649 River Rd, Cos Cob, CT 06807 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	5 Beds
Bathrooms	6 Baths
Year Built	Built 2017
Square Footage	6,592 sqft Living Area
Lot Size	69,696 sqft (1.6 acres)
Occupancy	Owner Occupied
Last Sale	$3,550,000 (2018)
Tax Bill	$32,607.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`12-3266S`
Alternative APNs	`GREE M:12 B:3266/S` `401`

Interior

Bedrooms	5 Beds
Full Baths	6 Baths
Partial Baths	2 Partial Baths
Total Rooms	11 Rooms
Building Area	6,592 sqft Living Area
Attic Area	714 sqft Attic
Attic	1 Attic
Basement Area	2,585 sqft Basement
Unfinished Basement	2,585 sqft Unfinished
Stories	2 Stories

Exterior

Year Built	Built 2017
Effective Year Built	Effective 2017
Architectural Style	Colonial Style
Exterior Material	Wood Siding Exterior
Construction Type	Frame Construction
Roof Construction	Gable Roof Construction
Roof Material	Slate Roof
Lot Area	69,696 sqft (1.6 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Deck Area	Deck Area

Utilities and HVAC

Cooling System	HVAC Cooling
Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	401
Street Address	649 RIVER RD
City	COS COB
State	CT
Zip	06807-1908
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Block	3266/S
Jurisdiction	GREENWICH CT
Minor Civil Division	GREENWICH
Census Blockgroup	3
Census Block	3002
Census Tract	10202

Owner

Source: Greenwich Town records · APN 12-3266S

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	Individual Name on File
Mailing Address	649 RIVER RD, COS COB, CT 06807-1908
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Feb 02, 2018 · Amount on Record
Deed Sale	Feb 02, 2018 · Amount on Record
Deed Book / Page	7347 / 172
Record Refreshed	Sep 20, 2026

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	$32,607.00	$2,638,300 (-) Land $861,140 Building $1,777,160	$1,846,810 Land $602,798 Building $1,244,012
2024	$32,607.00 (+6.22%)
2023	$30,699.00 (+3.26%)	$2,638,300 (+2.32%) Land $861,140 Building $1,777,160
2022	$29,730.00	$2,578,450 Land $861,140 Building $1,717,310

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
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Low above 7% of the US · above 13% of Connecticut
Wildfire Likelihood	Less than 1 in 10,000 per year
Exposure	Direct burnable vegetation at the parcel

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