Nassau County and Oyster Bay Town property record for 42 Helen Ave, Plainview, NY 11803
| Property Type | Single Family Home |
|---|---|
| Details | 1.5 ba · 1,373 sqft · built 1954 |
| Lot Size | 0.147 acres (6,386 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $13,960 (2025) |
| Deeds & Mortgages | Oct 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 47-011-00-0004 |
| Primary APN | 47-011-00-0004 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,373 sqft Living Area |
| 1st Floor Area | 948 sqft |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 6,386 sqft (0.147 acres) |
| Lot Dimensions | 108 ft deep x 57 ft wide |
| Garage Area | 230 sqft |
| Porch | Open Frame Porch |
| Porch Area | 225 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 47011 00040 |
|---|---|
| Street Address | 42 HELEN AVE |
| City | PLAINVIEW |
| State | NY |
| Zip | 11803-5655 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 019 |
| Legal Subdivision | MORTON VLG SEC #5 |
| Legal Block | 11 |
| Legal Lot Number | 4 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 4 |
| Census Block | 4010 |
| Census Tract | 519802 |
42 Helen Ave is owner-occupied and held in a trust since October 2023.
Source: Nassau County and Oyster Bay Town records, as of June 17, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 42 HELEN AVE, PLAINVIEW, NY 11803-5655 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust, Living Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Oct 4, 2023 |
| Transfer Doc | D144290180 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Oct 17, 2023 |
| Property Address | 42 HELEN AVE, PLAINVIEW, NY 11803-5655 |
| Document Number | D144290180 |
| Book / Page | D14429 / 180 |
| Map Reference | MAP 5922 |
| Instrument Date | Oct 4, 2023 |
| Instrument | 2023-61570 |
| Transaction Type | Transfer |
| Record Updated | Oct 25, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 42 HELEN AVE, PLAINVIEW, NY 11803-5655 |
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 42 HELEN AVE, PLAINVIEW, NY 11803-5655 |
The 2025 property tax bill for 42 Helen Ave was $13,960.
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 | $469 (-0.21%) Land $262 Building $207 | $469,000 (-0.21%) | |
| 2025 | $13,960.00 | $470 Land $262 Building $208 | $470,000 |
| 2023 | $15,007.00 Additional exemption filed | $511 Land $286 Building $225 | $511,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 42 Helen Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 2010.
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.
The area around 42 Helen Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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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