Suffolk County and Brookhaven Town property record for 539 Post Ave, Bellport, NY 11713
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,056 sqft · built 1976 |
| Lot Size | 0.23 acres (10,019 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $165,000 (Sep 2003) |
| Tax Bill | $3,778 (2024) |
| Deeds & Mortgages | Jan 2022 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-973.90-01.00-012.001 |
| Primary APN | 0200-973.90-01.00-012.001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,056 sqft Living Area |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Lot Area | 10,019 sqft (0.23 acres) |
| View / Lot | Waterfront |
| Heating System | Radiant |
|---|
| Account Number | 3508825 |
|---|---|
| Street Address | 539 POST AVE |
| City | BELLPORT |
| State | NY |
| Zip | 11713-1605 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NY & BKLYN SUB INV 444 3 B78 20 TO |
| Legal Subdivision | NEW YORK & BKLYN SUB INV CO |
| Legal Block | 3900 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 3 |
| Census Block | 3026 |
| Census Tract | 159103 |
Source: Suffolk County and Brookhaven Town records, as of August 11, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 539 POST AVE, BELLPORT, NY 11713-1605 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 18, 2003 · Amount on Record |
| Deed Sale | Sep 18, 2003 · Amount on Record |
| Prior Sale | Nov 4, 2002 · Amount on Record |
| Deed Book / Page | 12272 / 977 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 539 POST AVE, BELLPORT, NY 11713-1605 |
| Transaction Type | Mortgage |
| Record Updated | Apr 21, 2026 |
| Name | Verified Name |
|---|---|
| Investor | Possibly a Property Investor |
| Document Number | 0233640620 |
|---|---|
| Date | Jan 3, 2022 |
| Book Page | 23364/620 |
| Instrument | DM056621 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Feb 1, 2042 |
Source: Suffolk County and Brookhaven Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Brookhaven Town |
| Unified School District | South Country Central School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,450 (+45%) Land $100 Building $1,350 | $302,083 (+16,211.18%) Land $18,868 Building $254,717 | |
| 2024 | $3,778.00 | ||
| 2023 | $1,000 Land $100 Building $900 | $1,852 Land $185 Building $1,667 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1990) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Aug 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 97.9% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2024 |
| Lead | 1 ppb (2025–2027) action level 15 ppb |
| 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, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 205 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
May also be available: T-Mobile.
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