Nassau County and Oyster Bay Town property record for 18 Barnum Ave, Plainview, NY 11803
| Property Type | Single Family Home |
|---|---|
| Details | 1.5 ba · 1,612 sqft · built 1958 |
| Lot Size | 0.155 acres (6,750 sqft) |
| Owner | Individual Name on File |
| Last Sale | $350,000 (Aug 2000) |
| Tax Bill | $16,441 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 46-143-00-0066 |
| Primary APN | 46-143-00-0066 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,612 sqft Living Area |
| Gross Area | 1,843 sqft |
| 1st Floor Area | 1,200 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Ranch |
| Exterior Material | Brick |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 6,750 sqft (0.155 acres) |
| Lot Dimensions | 70 ft deep x 75 ft wide |
| Garage Type | Attached |
| Garage Area | 231 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 308 sqft |
| Patio Area | 308 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 46143 00660 |
|---|---|
| Street Address | 18 BARNUM AVE |
| City | PLAINVIEW |
| State | NY |
| Zip | 11803-6026 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 021 |
| Legal Block | 143 |
| Legal Lot Number | 66 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 519900 |
Source: Nassau County and Oyster Bay Town assessment roll, 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 File |
|---|---|
| Mailing Address | 18 BARNUM AVE, PLAINVIEW, NY 11803-6026 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 17, 2000 · Amount on Record |
| Deed Sale | Aug 17, 2000 · Amount on Record |
| Deed Book / Page | 11241 / 185 |
| 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 | Bethpage Union Free School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $589 (-) Land $279 Building $310 | $589,000 (-) | |
| 2025 | $16,441.00 (+0.2%) | ||
| 2023 | $16,409.00 Additional exemption filed | $589 Land $279 Building $310 | $589,000 |
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 | 2 in force |
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 |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | BETHPAGE WD serves 33,000 people · EPA ID NY2902817 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2025 |
| Lead | Under 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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 597 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Communications Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
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