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15 Triangle Dr, Setauket (East Setauket), NY 11733 Property Records

Suffolk County and Brookhaven Town property record for 15 Triangle Dr, Setauket, NY 11733 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details5 bd · 2 ba · 1,705 sqft · built 1955
Lot Size0.59 acres (25,700 sqft)
Owner2 Individual Names on File
Last Sale$499,000 (Mar 2019)
Tax Bill$14,763 (2024)
Deeds & MortgagesApr 2024 Refinance
Mar 2021 Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN0200-109.00-04.00-003.000

Property Details

APN / Parcel Number

Primary APN0200-109.00-04.00-003.000
Alternative APNs
  • 472289 109.00-04-003.000
  • 228910900000040030000000
  • 00000434570
  • 0000434570
  • 434570

Interior

Bedrooms5 Beds
Full Baths2 Baths
Total Rooms9 Rooms
Stories1 Story
Building Area1,705 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 1955
Architectural StyleRanch
Exterior MaterialWood
Lot Area25,700 sqft (0.59 acres)
View / LotWaterfront

Utilities, Heating & Cooling

Heating SystemRadiant

Location & Zoning

Account Number434570
Street Address15 TRIANGLE DR
CitySETAUKET
StateNY
Zip11733-1431
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionDAWN ESTATES 1658 SEC 3 10 & 11
Legal SubdivisionDAWN ESTATES
Legal Block9000
Legal Lot Number400
JurisdictionSUFFOLK NY
Township / Civil DivisionBROOKHAVEN
Census Block Group1
Census Block1014
Census Tract158016

Owner

Source: Suffolk County and Brookhaven Town records · APN 0200-109.00-04.00-003.000

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 Record2 Individual Names on File
Mailing Address15 TRIANGLE DR, SETAUKET, NY 11733-1431
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Apr 10, 2024Deed of Trust, Mortgage · Stand-Alone Refinance
BETHPAGE FCU
Mar 12, 2021Deed of Trust, Mortgage · FHA Mortgage
NEWREZ LLC
Mar 25, 2019Other, Transfer

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 25, 2019 · Amount on Record
Deed SaleMar 25, 2019 · Amount on Record
Prior SaleDec 02, 2016 · Amount on Record
Deed Book / Page13005 / 532
Record UpdatedSep 20, 2026

April 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address15 TRIANGLE DR, SETAUKET, NY 11733-1431
Transaction TypeMortgage
Record UpdatedMay 14, 2024

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0235790588
DateApr 10, 2024
Book Page23579/588
Lender
NameBETHPAGE FCU
TypeCredit Union
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term361 Months
DueMay 01, 2054

March 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address15 TRIANGLE DR, SETAUKET, NY 11733-1431
Transaction TypeMortgage
Record UpdatedJul 12, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0232450697
DateMar 12, 2021
Book Page23245/697
InstrumentDL060964
Lender
NameNEWREZ LLC
Agreement
TypeFHA Mortgage
AmountAmount Recorded
Term361 Months
DueApr 01, 2051

March 2019: Other, Transfer

Document TypeOther
JurisdictionSUFFOLK NY
Recording DateMar 25, 2019
Property Address15 TRIANGLE DR, SETAUKET, NY 11733-1431
Document Number0130050532
Book / Page13005 / 532
Instrument DateMar 15, 2019
Transaction TypeTransfer
Record UpdatedJul 12, 2022

Transaction

AmountAmount Recorded
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

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$3,500 (-) Land $450 Building $3,050$729,167 (+11,150.84%) Land $84,906 Building $575,472
2024$14,763.00
2023$3,500 Land $450 Building $3,050$6,481 Land $833 Building $5,648

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 361031580161, 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 Policies8 in force

Wildfire

Wildfire RiskLow
above 20% of the US · above 55% of New York
Wildfire LikelihoodAbout 1 in 5,882 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 173 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
Optimum CommunicationsFiber8,000 / 8,000
VerizonFiber980 / 880
Optimum CommunicationsCable940 / 35

May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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