424 Cognewaugh Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 424 Cognewaugh Rd, Cos Cob, CT 06807

Property Summary

Property TypeSingle Family Home
Details4 bd · 4 ba · 3,580 sqft · built 1972
Lot Size2.38 acres (103,673 sqft)
OwnerIndividual Name on Record
Last Sale$1,212,500 (Feb 2011)
Tax Bill$15,370 (2026)
Deeds & MortgagesSep 2026 Line of Credit
Flood ZoneZone X (minimal risk)
APN08-1856

Property Details

APN / Parcel Number

Primary APN08-1856
Alternative APNs
  • GREE M:08 B:1856
  • 357/030

Interior

Bedrooms4 Beds
Full Baths4 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area3,580 sqft Living Area
Basement Area1,056 sqft
Unfinished Basement1,056 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1972
Effective Year BuiltEffective 1975
Architectural StyleRaised Ranch
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area103,673 sqft (2.38 acres)
Garage TypeBasement
Parking Spaces3 Parking Spaces
Deck AreaDeck Area

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHot Water
Heating FuelOil

Location & Zoning

Account Number357/030
Street Address424 COGNEWAUGH RD
CityCOS COB
StateCT
Zip06807-1107
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRA-2
Legal Block1856
JurisdictionGREENWICH CT
Township / Civil DivisionGREENWICH
Census Block Group1
Census Block1006
Census Tract10202

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 RecordIndividual Name on Record
Mailing Address424 COGNEWAUGH RD, COS COB, CT 06807-1107
OccupancyOwner Occupied
Owner TypeIndividual
VestingIndividual(s)

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleFeb 18, 2011 · Amount on Record
Deed SaleFeb 18, 2011 · Amount on Record
Prior SaleMar 29, 1993 · Amount on Record
Deed Document Number2011
Deed Book / Page6105 / 247
Last Transfer DateSep 9, 2026
Transfer Doc0000005707
Record UpdatedOct 29, 2026

September 2026: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionGREENWICH CT
Recording DateSep 10, 2026
Property Address424 COGNEWAUGH RD, COS COB, CT 06807-1107
Document Number0000005707
Book / Page8610 / 321
Instrument DateSep 9, 2026
Instrument20265707
Transaction TypeTransfer
Record UpdatedSep 23, 2026

Transaction

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

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

DateSep 10, 2026
Lender
NameROCKET MORTGAGE LLC
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
Interest
Max Rate-1%

Tax Assessment & Valuation

Source: Greenwich Town assessment roll, as of June 25, 2026

Property Jurisdictions

TypeName
StateConnecticut
County SubdivisionGreenwich Town
Unified School DistrictGreenwich School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$15,370.00 (+6.81%)$1,518,020 (+27.01%) Land $861,630 Building $656,390$2,703,883 (+223.19%)
2025$14,390.00 (+5.71%)$1,195,180 (-) Land $662,550 Building $532,630$836,626 Land $463,785 Building $372,841
2023$13,613.00 (+0.97%)$1,195,180 (-) Land $662,550 Building $532,630
2022$13,482.00$1,195,180 Land $662,550 Building $532,630

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot 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 RiskLow
lower than 93% of the US · lower than 86% of Connecticut
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 68 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
Verizon
Fiber
980 / 880

Cell Coverage

No cell data coverage reported

Nearby Properties on Cognewaugh Rd

Nearby Streets

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