174 Cognewaugh Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 174 Cognewaugh Rd, Cos Cob, CT 06807

Property Summary

Property TypeSingle Family Home
Details5 bd · 6.5 ba · 5,118 sqft · built 2008
Lot Size1.76 acres (76,666 sqft)
OwnerCompany Name on Record
Last Sale$1,465,000 (Dec 2004)
Tax Bill$26,546 (2026)
Deeds & MortgagesOct 2022 Sale
Flood ZoneZone X (minimal risk)
APN08-3550

Property Details

APN / Parcel Number

Primary APN08-3550
Alternative APNs
  • GREE M:08 B:3550
  • 381/041

Interior

Bedrooms5 Beds
Full Baths6.5 Baths
Half Baths3 Half Baths
Total Rooms11 Rooms
Stories2 Stories
Building Area5,118 sqft Living Area
Basement Area823 sqft
Unfinished Basement823 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2008
Effective Year BuiltEffective 2008
Architectural StyleColonial
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area76,666 sqft (1.76 acres)
Garage TypeDetached
Parking Spaces1 Parking Space
Pool TypePool with Hot Tub/Spa
Deck AreaDeck Area

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelOil

Location & Zoning

Account Number381/041
Street Address174 COGNEWAUGH RD
CityCOS COB
StateCT
Zip06807-1504
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRA-2
Legal Block3550
JurisdictionGREENWICH CT
Township / Civil DivisionGREENWICH
Census Block Group2
Census Block2001
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 RecordCompany Name on Record
Mailing Address174 COGNEWAUGH RD, COS COB, CT 06807-1504
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 14, 2004 · Amount on Record
Deed SaleDec 14, 2004 · Amount on Record
Deed Book / Page4813 / 22
Record UpdatedOct 29, 2026

October 2022: Deed, Transfer

Document TypeDeed
JurisdictionGREENWICH CT
Recording DateOct 13, 2022
Property Address174 COGNEWAUGH RD, COS COB, CT 06807-1504
Document Number008164-219
Book / Page8164 / 219
Instrument DateOct 12, 2022
Instrument8883
Transaction TypeTransfer
Record UpdatedOct 27, 2022

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

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$26,546.00 (+14.65%)$2,621,850 (+36.34%) Land $776,790 Building $1,845,060$4,379,582 (+225.35%)
2025$23,153.00$1,923,040 (-) Land $593,810 Building $1,329,230$1,346,128 Land $415,667 Building $930,461
2024$23,153.00 (+5.71%)
2023$21,903.00 (+4.65%)$1,923,040 (+3.64%) Land $593,810 Building $1,329,230
2022$20,930.00$1,855,490 Land $593,810 Building $1,261,680

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 94% of the US · lower than 90% 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.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemAQUARION-EASTERN FAIRFIELD COUNTY
private · serves 351,756 people · EPA ID CT0150011
Water SourceSurface water
Last State InspectionJun 2025
LeadUnder 1 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting24
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 83 locations within half a mile, as of December 31, 2025

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

May also be available: Verizon.

Cell Coverage

5G and 4G LTE (outdoors only)

Nearby Properties on Cognewaugh Rd

Nearby Streets

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