9 River Ln, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 9 River Ln, Cos Cob, CT 06807 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,646 sqft · built 1940
Lot Size0.18 acres (7,841 sqft)
Owner2 Individual Names on File
Last Sale$997,500 (Nov 2018)
Tax Bill$7,678 (2025)
Deeds & MortgagesNov 2023 Transfer
Mar 2021 Mortgage
+ 3 more
Flood ZoneZone X (minimal risk)
APN08-2398S

Property Details

APN / Parcel Number

Primary APN08-2398S
Alternative APNs
  • GREE M:08 B:2398/S
  • 366/132

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories2 Stories
Building Area1,646 sqft Living Area
Basement Area815 sqft
Unfinished Basement815 sqft

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1960
Architectural StyleSplit Level
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area7,841 sqft (0.18 acres)
Garage TypeBasement
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHot Water
Heating FuelOil

Location & Zoning

Account Number366/132
Street Address9 RIVER LN
CityCOS COB
StateCT
Zip06807-2513
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Block2398/S
JurisdictionGREENWICH CT
Township / Civil DivisionGREENWICH
Census Block Group1
Census Block1001
Census Tract10800

Owner

Source: Greenwich Town records · APN 08-2398S

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 Record2 Individual Names on File
Mailing Address9 RIVER LN, COS COB, CT 06807-2513
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Nov 16, 2023Quit Claim Deed, Transfer
Quitclaim
Mar 11, 2021Deed of Trust, Mortgage · Balloon Mortgage
WELLS FARGO BANK NA
Mar 13, 2018Deed of Trust, Mortgage · ARM
UNITED BANK
Jul 30, 2020Deed of Trust, Mortgage · Stand-Alone Refinance
WELLS FARGO BANK NA
Nov 05, 2018Warranty Deed, Transfer
WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleNov 05, 2018 · Amount on Record
Deed SaleNov 05, 2018 · Amount on Record
Prior SaleSep 15, 2000 · Amount on Record
Deed Document Number20188395
Deed Book / Page7446 / 230
Last Transfer DateJul 13, 2023
Transfer Doc008277-127
Record UpdatedSep 20, 2026

November 2023: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionGREENWICH CT
Recording DateNov 16, 2023
Property Address9 RIVER LN, COS COB, CT 06807-2513
Document Number008277-127
Book / Page8277 / 127
Instrument DateJul 13, 2023
Instrument7093
Transaction TypeTransfer
Record UpdatedNov 30, 2023

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address9 RIVER LN, COS COB, CT 06807-2513

March 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionGREENWICH CT
Property Address9 RIVER LN, COS COB, CT 06807-2513
Transaction TypeMortgage
Record UpdatedMar 25, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number7843-119
DateMar 11, 2021
Book Page7843/119
Instrument2468
Lender
NameWELLS FARGO BANK NA
TypeBank
Agreement
TypeBalloon Mortgage
AmountAmount Recorded
Term361 Months
DueApr 01, 2051

March 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionGREENWICH CT
Property Address9 RIVER LN, COS COB, CT 06807-2513
Transaction TypeMortgage
Record UpdatedFeb 05, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number7359-267
DateMar 13, 2018
Book Page7359/267
Instrument1739
Lender
NameUNITED BANK
TypeBank
Agreement
TypeARM
AmountAmount Recorded
Term360 Months
DueMar 01, 2048
Interest
Rate TypeAdjustable Rate
Rate3.75%

July 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionGREENWICH CT
Property Address9 RIVER LN, COS COB, CT 06807-2513
Transaction TypeMortgage
Record UpdatedFeb 05, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number7709-309
DateJul 30, 2020
Book Page7709/309
Instrument6077
Lender
NameWELLS FARGO BANK NA
TypeBank
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term361 Months
DueAug 01, 2050

November 2018: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionGREENWICH CT
Recording DateNov 05, 2018
Property Address9 RIVER LN, COS COB, CT 06807-2513
Document Number7446-230
Book / Page7446 / 230
Instrument8395
Transaction TypeTransfer
Record UpdatedMay 21, 2021

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$59.23
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number74460233
DateNov 05, 2018
Instrument07446/0233
Lender
NameWELLS FARGO BANK NA
TypeBank
Agreement
AmountAmount Recorded
Term360 Months
DueNov 05, 2048

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$7,678.00$621,250 (-) Land $449,680 Building $171,570$434,875 Land $314,776 Building $120,099
2024$7,678.00 (+6.21%)
2023$7,229.00 (+0.92%)$621,250 (-) Land $449,680 Building $171,570
2022$7,163.00$621,250 Land $449,680 Building $171,570

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

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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

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