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3 Cornwallis Rd, Setauket (East Setauket), NY 11733 Property Records

Suffolk County and Brookhaven Town property record for 3 Cornwallis Rd, Setauket, NY 11733 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 2,650 sqft · built 1965
Lot Size0.35 acres (15,246 sqft)
OwnerIndividual Name on File
Last Sale$110,000 (Mar 1994)
Tax Bill$14,894 (2024)
Deeds & MortgagesJul 2021 Refinance
Flood ZoneZone X (minimal risk)
APN0200-249.00-03.00-002.000

Property Details

APN / Parcel Number

Primary APN0200-249.00-03.00-002.000
Alternative APNs
  • 472289 249.00-03-002.000
  • 228924900000030020000000
  • 00000527010
  • 0000527010
  • 527010

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories2 Stories
Building Area2,650 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1965
Effective Year BuiltEffective 1965
Architectural StyleColonial
Exterior MaterialWood
Lot Area15,246 sqft (0.35 acres)
View / LotWaterfront

Utilities, Heating & Cooling

Heating SystemRadiant

Location & Zoning

Account Number527010
Street Address3 CORNWALLIS RD
CityEAST SETAUKET
StateNY
Zip11733-1107
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionNASSAKEAG RIDGE 4007 SEC 5 22
Legal SubdivisionNASSAKEAG RIDGE
Legal Block9000
Legal Lot Number300
JurisdictionSUFFOLK NY
Township / Civil DivisionBROOKHAVEN
Census Block Group1
Census Block1009
Census Tract158010

Owner

Source: Suffolk County and Brookhaven Town records · APN 0200-249.00-03.00-002.000

Assessment roll updated August 11, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on File
Mailing Address3 CORNWALLIS RD, EAST SETAUKET, NY 11733-1107
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMar 10, 1994 · Amount on Record
Deed SaleMar 10, 1994 · Amount on Record
Deed Book / Page11667 / 985
Last Transfer DateApr 22, 2015
Transfer Doc0128200984
Record UpdatedSep 20, 2026

July 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address3 CORNWALLIS RD, EAST SETAUKET, NY 11733-1107
Transaction TypeMortgage
Record UpdatedAug 31, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0232980105
DateJul 12, 2021
Book Page23298/105
InstrumentDM022881
Lender
NameTEACHERS FCU
TypeCredit Union
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term361 Months
DueAug 01, 2051

Tax Assessment & Valuation

Source: Suffolk County and Brookhaven Town records · Assessment roll updated August 11, 2026 · Last verified August 2026

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionBrookhaven Town
Unified School DistrictThree Village Central School District (KG - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

YearTax BillAssessed ValueAssessed Market Value
2025$4,225 (-) Land $330 Building $3,895$880,208 (+11,150.1%) Land $62,264 Building $734,906
2024$14,894.00
2023$4,225 Land $330 Building $3,895$7,824 Land $611 Building $7,213

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031580101, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Policies3 in force
Nearby Flood Claims7 (1978–2024)
Claims Outside the SFHA6 of 7
Most Recent ClaimAug 2024, rainfall accumulation, Severe Storm And Flooding

Wildfire

Wildfire RiskLow
above 4% of the US · above 5% of New York
Wildfire LikelihoodAbout 1 in 10,000 per year
ExposureDirect
burnable vegetation at the parcel

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 75 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
Optimum CommunicationsFiber8,000 / 8,000
VerizonFiber980 / 880
Optimum CommunicationsCable940 / 35
T-Mobile USAFixed Wireless100 / 20
StarlinkSatellite (low-earth orbit)280 / 30

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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