Nassau County and Oyster Bay Town property record for 21 Barnum Ave, Plainview, NY 11803
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,208 sqft · built 1980 |
| Lot Size | 0.179 acres (7,800 sqft) |
| Owner | Individual Name on File |
| Last Sale | $250,000 (Nov 1996) |
| Tax Bill | $17,179 (2025) |
| Deeds & Mortgages | May 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 46-619-00-0113 |
| Primary APN | 46-619-00-0113 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,208 sqft Living Area |
| Gross Area | 2,418 sqft |
| 1st Floor Area | 915 sqft |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Raised Ranch |
| Exterior Material | Composition/Composite |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 7,800 sqft (0.179 acres) |
| Lot Dimensions | 120 ft deep x 65 ft wide |
| Garage Type | Attached |
| Garage Area | 210 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Frame Porch |
| Porch Area | 432 sqft |
| Balcony Area | 168 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 46619 01130 |
|---|---|
| Street Address | 21 BARNUM AVE |
| City | PLAINVIEW |
| State | NY |
| Zip | 11803-6005 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 113 |
| Legal Block | 619 |
| Legal Lot Number | 113 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 2 |
| Census Block | 2013 |
| 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 | 21 BARNUM AVE, PLAINVIEW, NY 11803-6005 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 8, 1996 · Amount on Record |
| Deed Sale | Nov 8, 1996 · Amount on Record |
| Deed Book / Page | 10714 / 623 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NASSAU NY |
| Property Address | 21 BARNUM AVE, PLAINVIEW, NY 11803-6005 |
| Transaction Type | Mortgage |
| Record Updated | Jun 2, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0453570216 |
|---|---|
| Date | May 3, 2021 |
| Book Page | 45357/216 |
| Instrument | 2021-057984 |
| Name | LYNX MORTGAGE BANK LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | May 1, 2041 |
| Rate Type | Fixed Rate |
|---|
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 | $659 (+1.38%) Land $287 Building $372 | $659,000 (+1.38%) | |
| 2025 | $17,179.00 (+16.42%) | ||
| 2023 | $14,756.00 Homeowner's exemption | $650 Land $283 Building $367 | $650,000 |
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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