Nassau County and Oyster Bay Town property record for 20 Nautilus Ave, Plainview, NY 11803
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 2,005 sqft · built 1956 |
| Lot Size | 0.141 acres (6,120 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $668,000 (Mar 2019) |
| Tax Bill | $18,772 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage Mar 2019 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 47-038-00-0016 |
| Primary APN | 47-038-00-0016 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,005 sqft Living Area |
| 1st Floor Area | 1,008 sqft |
| Basement Area | 588 sqft |
| Finished Basement | 588 sqft |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Split Level |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Material | Other |
| Lot Area | 6,120 sqft (0.141 acres) |
| Lot Dimensions | 102 ft deep x 60 ft wide |
| Patio Area | 391 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 47038 00160 |
|---|---|
| Street Address | 20 NAUTILUS AVE |
| City | PLAINVIEW |
| State | NY |
| Zip | 11803-6319 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 019 |
| Legal Block | 38 |
| Legal Lot Number | 16 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 1 |
| Census Block | 1011 |
| 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 | 20 NAUTILUS AVE, PLAINVIEW, NY 11803-6319 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Feb 25, 2021 | Deed of Trust, Mortgage · Conventional Mortgage TEACHERS FCU |
| Mar 25, 2019 | Bargain and Sale Deed, Transfer JUDICIAL TITLE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 25, 2019 · Amount on Record |
| Deed Sale | Mar 25, 2019 · Amount on Record |
| Prior Sale | Jul 21, 1999 · Amount on Record |
| Deed Document Number | 201925759 |
| Deed Book / Page | 13782 / 831 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NASSAU NY |
| Property Address | 20 NAUTILUS AVE, PLAINVIEW, NY 11803-6319 |
| Transaction Type | Mortgage |
| Record Updated | Mar 17, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0450500162 |
|---|---|
| Date | Feb 25, 2021 |
| Book Page | 45050/162 |
| Instrument | 2021-023725 |
| Name | TEACHERS FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 1, 2050 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Mar 25, 2019 |
| Property Address | 20 NAUTILUS AVE, PLAINVIEW, NY 11803-6319 |
| Document Number | 0137820831 |
| Book / Page | 13782 / 831 |
| Map Reference | MAP 6285 |
| Instrument Date | Mar 15, 2019 |
| Instrument | 2019-025759 |
| Transaction Type | Transfer |
| Record Updated | May 14, 2021 |
| Title Company | JUDICIAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $2,672.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 145 WILFRED BLVD, HICKSVILLE, NY 11801-1941 |
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 | $626 (-2.8%) Land $275 Building $351 | $626,000 (-2.8%) | |
| 2025 | $18,772.00 (+8.21%) | ||
| 2023 | $17,347.00 Additional exemption filed | $644 Land $290 Building $354 | $644,000 |
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 | 4 in force |
| Nearby Flood Claims | 3 (1979–2010) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Mar 2010 · Severe Storms 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 | 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 473 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 |
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