Nassau County and Oyster Bay Town property record for 9 Helen Ave, Plainview, NY 11803
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 1,300 sqft · built 1954 |
| Lot Size | 0.149 acres (6,500 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $245,000 (Nov 1999) |
| Tax Bill | $13,161 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 47-013-00-0010 |
| Primary APN | 47-013-00-0010 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,300 sqft Living Area |
| 1st Floor Area | 1,090 sqft |
| Game Room | Game Room |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 6,500 sqft (0.149 acres) |
| Lot Dimensions | 100 ft deep x 65 ft wide |
| Patio Area | 50 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 47013 00100 |
|---|---|
| Street Address | 9 HELEN AVE |
| City | PLAINVIEW |
| State | NY |
| Zip | 11803-5608 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 019 |
| Legal Subdivision | MORTON VILLAGE SECTION #3 |
| Legal Block | 13 |
| Legal Lot Number | 10 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 519802 |
Source: Nassau County and Oyster Bay Town records, as of June 17, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 9 HELEN AVE, PLAINVIEW, NY 11803-5608 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 15, 1999 · Amount on Record |
| Deed Sale | Nov 15, 1999 · Amount on Record |
| Deed Document Number | 19991617 |
| Deed Book / Page | 11134 / 216 |
| Record Updated | Sep 20, 2026 |
Source: Nassau County and Oyster Bay Town assessment roll, as of June 17, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | Oyster Bay Town |
| Unified School District | Plainview-Old Bethpage Central School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $481 (-8.03%) Land $260 Building $221 | $481,000 (-8.03%) | |
| 2025 | $13,161.00 (+3.92%) | ||
| 2023 | $12,665.00 Homeowner's exemption | $523 Land $282 Building $241 | $523,000 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
Source: FEMA National Flood Hazard Layer, effective April 5, 2023 · 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 | 1 in force |
| Nearby Flood Claims | 3 (2010–2024) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Aug 2024 · Severe Storm And Flooding |
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 99.1% of the US · lower than 99.2% 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 | PLAINVIEW WD public/private · serves 34,000 people · EPA ID NY2902845 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2024 |
| Lead | Under 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | Tetrachloroethylene resolved · Jul 2017 cis-1,2-Dichloroethylene resolved · Jul 2017 |
|---|---|
| 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 607 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 | 2,300 / 2,300 |
| T-Mobile Fixed Wireless | 100 / 20 |
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