643 Post Ave, Bellport, NY 11713 Property Records

Suffolk County and Brookhaven Town property record for 643 Post Ave, Bellport, NY 11713

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 880 sqft · built 1954
Lot Size0.17 acres (7,405 sqft)
OwnerIndividual Name on File
Last Sale$57,730 (May 2012)
Tax Bill$4,563 (2024)
Flood ZoneZone X (minimal risk)
APN0200-973.90-01.00-005.000

Property Details

APN / Parcel Number

Primary APN0200-973.90-01.00-005.000
Alternative APNs
  • 472289 973.90-01-005.000
  • 228997309000010050000000
  • 00003508940
  • 0003508940
  • 3508940

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area880 sqft Living Area

Exterior

Year BuiltBuilt 1954
Effective Year BuiltEffective 1954
Architectural StyleRanch
Exterior MaterialAluminum/Vinyl
Lot Area7,405 sqft (0.17 acres)
View / LotWaterfront

Utilities, Heating & Cooling

Heating SystemRadiant

Location & Zoning

Account Number3508940
Street Address643 POST AVE
CityBELLPORT
StateNY
Zip11713-1607
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionNY & BKLYN SUB INV 444 3 B79 21 TO
Legal SubdivisionNEW YORK & BKLYN SUB INV CO
Legal Block3900
Legal Lot Number100
JurisdictionSUFFOLK NY
Township / Civil DivisionBROOKHAVEN
Census Block Group3
Census Block3006
Census Tract159103

Owner

643 Post Ave is owned by an individual who acquired it in October 2013.

Source: Suffolk County and Brookhaven Town records, as of August 11, 2026

Owner of RecordIndividual Name on File
Mailing Address110 DIVISION AVE, MASSAPEQUA, NY 11758-7106
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMay 11, 2012 · Amount on File
Deed SaleMay 11, 2012 · Amount on File
Prior SaleMay 11, 2012 · Amount on File
Deed Book / Page12693 / 130
Last Transfer DateOct 28, 2013
Transfer Doc0127500808
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Suffolk County and Brookhaven Town assessment roll, as of August 11, 2026

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionBrookhaven Town
Unified School DistrictSouth Country Central School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$1,105 Land $150 Building $955$230,208 Land $28,302 Building $180,189
2024$4,563.00
2023$1,105 Land $150 Building $955$2,047 Land $278 Building $1,769

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

Flood

FEMA maps place 643 Post Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1990.

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 in force
Nearby Flood Claims1 (1990)
Claims Outside the SFHA1 of 1
Most Recent ClaimAug 1990 · rainfall accumulation

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.

Wildfire

Wildfire risk around 643 Post Ave is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.2% of New York
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemSUFFOLK COUNTY WATER AUTHORITY
serves 1,100,000 people · EPA ID NY5110526
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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 391 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
Verizon
Fiber · Fixed Wireless in parts of the area
980 / 880

Nearby Properties on Post Ave

Nearby Streets

Search Property Records by Address or Parcel Number