104 River Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 104 River Rd, Cos Cob, CT 06807

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 2,124 sqft · built 1917
Lot Size0.15 acres (6,534 sqft)
Owner2 Individual Names on Record
Last Sale$744,000 (Aug 2011)
Tax Bill$6,835 (2025)
Flood ZoneZone X (minimal risk)
APN08-1403S

Property Details

APN / Parcel Number

Primary APN08-1403S
Alternative APNs
  • GREE M:08 B:1403/S
  • 386/044

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories3 Stories
Building Area2,124 sqft Living Area
Basement Area720 sqft
Unfinished Basement720 sqft

Exterior

Year BuiltBuilt 1917
Effective Year BuiltEffective 1979
Architectural StyleColonial
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area6,534 sqft (0.15 acres)
Garage TypeDetached
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelGas

Location & Zoning

Account Number386/044
Street Address104 RIVER RD
CityCOS COB
StateCT
Zip06807-2517
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-7
Legal Block1403/S
JurisdictionGREENWICH CT
Township / Civil DivisionGREENWICH
Census Block Group1
Census Block1001
Census Tract10800

Owner

Source: Greenwich Town records, as of June 25, 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 Record
Mailing Address104 RIVER RD, COS COB, CT 06807-2517
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 16, 2011 · Amount on Record
Deed SaleAug 16, 2011 · Amount on Record
Prior SaleJan 2, 2004 · Amount on Record
Deed Book / Page6191 / 18
Record UpdatedSep 20, 2026

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
2025$6,835.00$553,070 (-) Land $332,850 Building $220,220$387,149 Land $232,995 Building $154,154
2024$6,835.00 (+6.2%)
2023$6,436.00 (+0.93%)$553,070 (-) Land $332,850 Building $220,220
2022$6,377.00$553,070 Land $332,850 Building $220,220

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
Nearest Special Flood Hazard AreaZone AE, within 100 ft
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 99.1% of the US · lower than 99% of Connecticut
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

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 288 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
Verizon
Fiber · Fixed Wireless in parts of the area
980 / 880

May also be available: Frontier, T-Mobile.

Nearby Properties on River Rd

Nearby Streets

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