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

Suffolk County and Brookhaven Town property record for 31 Triangle Dr, Setauket, NY 11733

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,511 sqft · built 1979
Lot Size	0.28 acres (12,197 sqft)
Owner	Company Name on File
Tax Bill	$13,550 (2024)
Deeds & Mortgages	Jun 2019 Transfer
Flood Zone	Zone X (minimal risk)
APN	`0200-130.00-05.00-003.000`

Property Details

APN / Parcel Number

Primary APN	`0200-130.00-05.00-003.000`
Alternative APNs	`472289 130.00-05-003.000` `228913000000050030000000` `00000434640` `0000434640` `434640`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,511 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1979
Architectural Style	Cape Cod
Exterior Material	Wood
Lot Area	12,197 sqft (0.28 acres)
View / Lot	Waterfront

Utilities, Heating & Cooling

Heating System	Radiant

Location & Zoning

Account Number	434640
Street Address	31 TRIANGLE DR
City	SETAUKET
State	NY
Zip	11733-1431
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	DAWN ESTATES 1658 SEC 3 W PT 19 & A
Legal Subdivision	DAWN ESTATES
Legal Block	5
Legal Lot Number	500
Jurisdiction	SUFFOLK NY
Township / Civil Division	BROOKHAVEN
Census Block Group	1
Census Block	1014
Census Tract	158016

Owner

Source: Suffolk County and Brookhaven Town records · APN 0200-130.00-05.00-003.000

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 Record	Company Name on File
Mailing Address	31 TRIANGLE DR, SETAUKET, NY 11733-1431
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Oct 03, 2018
Transfer Doc	0130140038
Record Updated	Sep 20, 2026

June 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SUFFOLK NY
Recording Date	Jun 03, 2019
Property Address	31 TRIANGLE DR, SETAUKET, NY 11733-1431
Document Number	0130140038
Book / Page	013014 / 000038
Instrument Date	Oct 03, 2018
Transaction Type	Transfer
Record Updated	Jan 14, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	31 TRIANGLE DR SETAUKET NY 117331431, SETAUKET, NY 11733-1431

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Brookhaven Town
Unified School District	Three Village Central School District (KG - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$3,800 (-) Land $300 Building $3,500	$791,667 (+11,150.06%) Land $56,604 Building $660,377
2024	$13,550.00
2023		$3,800 Land $300 Building $3,500	$7,037 Land $556 Building $6,481

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	8 in force

Wildfire

Wildfire Risk	Low lower than 80% of the US · above 54% of New York
Wildfire Likelihood	0.02% annual chance
Exposure	Direct 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 as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Optimum Communications Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 278 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people
Water Source	Groundwater
Last State Inspection	Jan 2024
Lead	1 ppb (2025–2027) action level 15 ppb

Violations Reported to EPA

Water Quality	Asbestos resolved · Jul 2020
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.