23 Walnut Ave, Setauket (East Setauket), NY 11733 Property Records

Suffolk County and Brookhaven Town property record for 23 Walnut Ave, Setauket, NY 11733

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,359 sqft · built 1950
Lot Size0.15 acres (6,534 sqft)
Owner2 Individual Names on File
Tax Bill$11,550 (2024)
Flood ZoneZone X (minimal risk)
APN0205-007.00-05.00-019.000

Property Details

APN / Parcel Number

Primary APN0205-007.00-05.00-019.000
Alternative APNs
  • 472209 007.00-05-019.000
  • 220900700000050190000000
  • 00000405450
  • 0000405450
  • 405450

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,359 sqft Living Area

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1950
Exterior MaterialBrick
Lot Area6,534 sqft (0.15 acres)
View / LotWaterfront

Utilities, Heating & Cooling

Heating SystemRadiant

Location & Zoning

Account Number405450
Street Address23 WALNUT AVE
CitySETAUKET
StateNY
Zip11733-4019
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionBAY VIEW PARK 449 142 W15FT ALL 142
Legal SubdivisionBAY VIEW PARK
Legal Block7000
Legal Lot Number500
JurisdictionSUFFOLK NY
Township / Civil DivisionBROOKHAVEN
Census Block Group3
Census Block3005
Census Tract158001

Owner

Source: Suffolk County and Brookhaven Town records · APN 0205-007.00-05.00-019.000

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 Address309 THOMPSON ST, ESSEXVILLE, MI 48732-1161
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last Transfer DateMay 27, 2010
Transfer Doc0126330170
Record UpdatedSep 20, 2026

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
MunicipalityPoquott Village
Unified School DistrictThree 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.

YearTax BillAssessed ValueAssessed Market Value
2025$2,950 (-) Land $375 Building $2,575$614,583 (+11,149.92%) Land $70,755 Building $485,849
2024$11,550.00
2023$2,950 Land $375 Building $2,575$5,463 Land $694 Building $4,769

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 ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone VE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 20 policies
Nearby Flood Policies20 in force
Nearby Flood Claims15 (1983–2024)
Claims Outside the SFHA9 of 15
Most Recent ClaimAug 2024 · Severe Storm And Flooding
Claims by Event
  • Hurricane Sandy, Oct 2012 · 5 claims
  • Coastal Storm, High Tides, Heavy Rain, & Flooding, Dec 1992 · 2 claims

Wildfire

Wildfire RiskLow
lower than 93% of the US · lower than 89% of New York
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

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

ProviderMax Down / Up (Mbps)
Optimum Communications
Fiber · Cable
8,000 / 8,000
Verizon
Fiber
980 / 880
T-Mobile USA
Fixed Wireless
100 / 20

Based on FCC filings for 184 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 SystemSUFFOLK COUNTY WATER AUTHORITY
serves 1,100,000 people
Water SourceGroundwater
Last State InspectionJan 2024
Lead1 ppb (2025–2027)
action level 15 ppb

Violations Reported to EPA

Water QualityAsbestos
resolved · Jul 2020
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

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