3 North St, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 3 North St, Cos Cob, CT 06807

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,881 sqft · built 1939
Lot Size0.23 acres (10,019 sqft)
Owner2 Individual Names on File
Tax Bill$7,429 (2024)
Flood ZoneZone X (minimal risk)
APN08-1813S

Property Details

APN / Parcel Number

Primary APN08-1813S
Alternative APNs
  • GREE M:08 B:1813/S
  • 400/031

Interior

Bedrooms2 Beds
Full Baths1 Bath
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories3 Stories
Building Area1,881 sqft Living Area
Basement Area520 sqft
Unfinished Basement520 sqft

Exterior

Year BuiltBuilt 1939
Effective Year BuiltEffective 1965
Architectural StyleConventional
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area10,019 sqft (0.23 acres)
Garage TypeDetached
Parking Spaces1 Parking Space
Deck AreaDeck Area

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelOil

Location & Zoning

Account Number400/031
Street Address3 NORTH ST
CityCOS COB
StateCT
Zip06807-1613
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-12
Legal Block1813/S
JurisdictionGREENWICH CT
Township / Civil DivisionGREENWICH
Census Block Group3
Census Block3005
Census Tract10202

Owner

3 North St is owned and occupied by two individuals.

Source: Greenwich Town records, as of June 25, 2026

Owner of Record2 Individual Names on File
Mailing Address3 NORTH ST, COS COB, CT 06807-1613
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
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$601,090 Land $474,040 Building $127,050$420,763 Land $331,828 Building $88,935
2024$7,429.00 (+6.22%)
2023$6,994.00 (+0.91%)$601,090 (-) Land $474,040 Building $127,050
2022$6,931.00$601,090 Land $474,040 Building $127,050

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 3 North St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective November 28, 2025

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

Wildfire risk around 3 North St is low, with less than a 0.01% annual chance of 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 250 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.

Cell Coverage

4G LTE (outdoors only), no 5G reported

Nearby Properties on North St

Nearby Streets

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