561 River Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 561 River Rd, Cos Cob, CT 06807 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,381 sqft · built 1900
Lot Size0.28 acres (12,197 sqft)
OwnerIndividual Name on File
Last Sale$160,000 (Mar 2021)
Tax Bill$10,256 (2025)
Deeds & MortgagesAug 2023 Refinance
Mar 2021 Sale
+ 1 more
Flood ZoneZone X (minimal risk)
APN12-1538S

Property Details

APN / Parcel Number

Primary APN12-1538S
Alternative APNs
  • GREE M:12 B:1538/S
  • 402/058

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area2,381 sqft Living Area
Basement Area483 sqft
Unfinished Basement483 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1970
Architectural StyleColonial
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area12,197 sqft (0.28 acres)
Garage TypeBasement
Parking Spaces3 Parking Spaces
GreenhouseGreenhouse

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHot Water
Heating FuelOil

Location & Zoning

Account Number402/058
Street Address561 RIVER RD
CityCOS COB
StateCT
Zip06807-1906
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Block1538/S
JurisdictionGREENWICH CT
Township / Civil DivisionGREENWICH
Census Block Group3
Census Block3002
Census Tract10202

Owner

Source: Greenwich Town records · APN 12-1538S

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 RecordIndividual Name on File
Mailing Address561 RIVER RD, COS COB, CT 06807-1906
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Aug 03, 2023Deed of Trust, Mortgage · Stand-Alone Refinance
BANK OF AMERICA NA
Mar 08, 2021Warranty Deed, Transfer
Feb 08, 2017Deed of Trust, Mortgage · Conventional Mortgage
SAVINGS BK/DANBURY

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMar 08, 2021 · Amount on Record
Deed SaleMar 08, 2021 · Amount on Record
Prior SaleFeb 24, 2014 · Amount on Record
Deed Document Number20212297
Deed Book / Page7840 / 141
Transfer Doc6710-125
Record UpdatedSep 20, 2026

August 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionGREENWICH CT
Property Address561 RIVER RD, COS COB, CT 06807-1906
Transaction TypeMortgage
Record UpdatedAug 17, 2023

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number008246-109
DateAug 03, 2023
Book Page8246/109
Instrument4616
Lender
NameBANK OF AMERICA NA
TypeBank
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term361 Months
DueSep 01, 2053

March 2021: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionGREENWICH CT
Recording DateMar 08, 2021
Property Address561 RIVER RD, COS COB, CT 06807-1906
Document Number7840-141
Book / Page7840 / 141
Instrument DateMar 01, 2021
Instrument2297
Transaction TypeTransfer
Record UpdatedMay 21, 2021

Transaction

AmountAmount Recorded
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address561 RIVER RD, COS COB, CT 06807-1906

February 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionGREENWICH CT
Property Address561 RIVER RD, COS COB, CT 06807-1906
Document Number7200-28
Book / Page007200 / 000028
Transaction TypeMortgage
Record UpdatedMar 14, 2017

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number7200-28
DateFeb 08, 2017
Book Page007200/000028
Lender
NameSAVINGS BK/DANBURY
TypeFederal Savings Bank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueFeb 07, 2047

Tax Assessment & Valuation

Source: Greenwich Town records · Assessment roll updated June 25, 2026 · Last verified July 2026

Property Jurisdictions

TypeName
StateConnecticut
County SubdivisionGreenwich Town
Unified School DistrictGreenwich 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.

YearTax BillAssessed ValueAssessed Market Value
2025$10,256.00$829,850 (-) Land $497,210 Building $332,640$580,895 Land $348,047 Building $232,848
2024$10,256.00 (+6.21%)
2023$9,656.00 (+0.92%)$829,850 (-) Land $497,210 Building $332,640
2022$9,568.00$829,850 Land $497,210 Building $332,640

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 ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearest Special Flood Hazard AreaZone AE, within 500 ft

Wildfire

Wildfire RiskLow
above 4% of the US · above 6% of Connecticut
Wildfire LikelihoodLess than 1 in 10,000 per year
ExposureDirect
burnable vegetation at the parcel

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 319 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
Optimum CommunicationsFiber8,000 / 8,000
FrontierFiber5,000 / 5,000
Optimum CommunicationsCable940 / 35

May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE (outdoors only)

Nearby Properties on River Rd

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