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

Suffolk County and Brookhaven Town property record for 25 Triangle Dr, Setauket, NY 11733 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 2,043 sqft · built 1962
Lot Size0.5 acres (21,780 sqft)
Owner2 Individual Names on File
Last Sale$515,000 (Aug 2004)
Tax Bill$13,607 (2024)
Deeds & MortgagesApr 2017 Line of Credit
Flood ZoneZone X (minimal risk)
APN0200-109.00-04.00-007.000

Property Details

APN / Parcel Number

Primary APN0200-109.00-04.00-007.000
Alternative APNs
  • 472289 109.00-04-007.000
  • 228910900000040070000000
  • 00000434610
  • 0000434610
  • 434610

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories2 Stories
Building Area2,043 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1962
Effective Year BuiltEffective 1962
Architectural StyleColonial
Exterior MaterialBrick
Lot Area21,780 sqft (0.5 acres)
View / LotWaterfront
Garage TypeBasement
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Heating SystemRadiant

Location & Zoning

Account Number434610
Street Address25 TRIANGLE DR
CitySETAUKET
StateNY
Zip11733-1431
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionDAWN ESTATES 1658 SEC 3 16 C PT & N
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 0200-109.00-04.00-007.000

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 Address25 TRIANGLE DR, SETAUKET, NY 11733-1431
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 12, 2004 · Amount on Record
Deed SaleAug 12, 2004 · Amount on Record
Deed Book / Page12336 / 821
Prior Transfer DateSep 09, 1999
Prior Transfer Doc1202000871
Record UpdatedSep 20, 2026

April 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address25 TRIANGLE DR, SETAUKET, NY 11733-1431
Document Number0228600425
Book / Page022860 / 000425
Instrument DateApr 15, 2017
Transaction TypeMortgage
Record UpdatedNov 08, 2017

Transferred To (Grantee/Buyer)

NameVerified Name
Address25 TRIANGLE DR SETAUKET NY 117331431, SETAUKET, NY 11733-1431

Mortgage

Document Number0228600425
DateSep 28, 2017
Book Page022860/000425
Lender
NamePEOPLE'S UNITED BK
TypeBank
AddressBRIDGEPORT, CA 06604
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueSep 27, 2047
Interest
Rate TypeAdjustable Rate
Rate4%

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$3,480 (-) Land $325 Building $3,155$725,000 (+11,149.03%) Land $61,321 Building $595,283
2024$13,607.00
2023$3,480 Land $325 Building $3,155$6,445 Land $602 Building $5,843

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 6,250 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 278 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

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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