Nassau County and Oyster Bay Town property record for 55 Keswick Ln, Plainview, NY 11803
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 1,819 sqft · built 1956 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $7,429 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 46-613-00-0005 |
| Primary APN | 46-613-00-0005 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,819 sqft Living Area |
| Gross Area | 1,981 sqft |
| 1st Floor Area | 1,148 sqft |
| Basement Area | 574 sqft |
| Finished Basement | 574 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Split Level |
| Exterior Material | Brick/Stone |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 7,000 sqft (0.161 acres) |
| Lot Dimensions | 100 ft deep x 70 ft wide |
| Garage Type | Attached |
| Garage Area | 162 sqft |
| Porch | Open Frame Porch |
| Porch Area | 180 sqft |
| Balcony Area | 58 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 46613 00050 |
|---|---|
| Street Address | 55 KESWICK LN |
| City | PLAINVIEW |
| State | NY |
| Zip | 11803-6107 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 021 |
| Legal Block | 613 |
| Legal Lot Number | 5 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 519900 |
55 Keswick Ln is owned and occupied by an individual.
Source: Nassau County and Oyster Bay Town records, as of June 17, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 55 KESWICK LN, PLAINVIEW, NY 11803-6107 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 55 Keswick Ln was $7,429 with a senior citizen's exemption.
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 | $554 Land $258 Building $296 | $554,000 | |
| 2025 | $7,429.00 | ||
| 2023 | $14,129.00 Homeowner's exemption | $595 Land $277 Building $318 | $595,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 55 Keswick Ln in Zone X, an area of minimal flood risk.
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.
The area around 55 Keswick Ln 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 | 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 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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