Nassau County and Oyster Bay Town property record for 41 Keswick Ln, Plainview, NY 11803
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 1,876 sqft · built 1956 |
| Lot Size | 0.17 acres (7,416 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $425,000 (Apr 2008) |
| Tax Bill | $14,711 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 46-143-00-0042 |
| Primary APN | 46-143-00-0042 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,876 sqft Living Area |
| 1st Floor Area | 1,312 sqft |
| Basement Area | 276 sqft |
| Finished Basement | 276 sqft |
| 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 |
| Roof Material | Other |
| Lot Area | 7,416 sqft (0.17 acres) |
| Lot Dimensions | 103 ft deep x 78 ft wide |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 276 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 46143 00420 |
|---|---|
| Street Address | 41 KESWICK LN |
| City | PLAINVIEW |
| State | NY |
| Zip | 11803-6129 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 021 |
| Legal Subdivision | MAP OF RIDGEVIEW DOWNS SECTION 3 |
| Legal Block | 143 |
| Legal Lot Number | 42 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 519900 |
41 Keswick Ln is owned and occupied by two individuals who bought it in April 2008.
Source: Nassau County and Oyster Bay Town records, as of June 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 41 KESWICK LN, PLAINVIEW, NY 11803-6129 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Apr 9, 2008 · Amount on File |
| Deed Sale | Apr 9, 2008 · Amount on File |
| Deed Book / Page | 12382 / 744 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 41 Keswick Ln was $14,711.
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 | $508 (-3.61%) Land $245 Building $263 | $508,000 (-3.61%) | |
| 2025 | $14,711.00 | $527 Land $254 Building $273 | $527,000 |
| 2023 | $13,867.00 Additional exemption filed | $592 Land $293 Building $299 | $592,000 |
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.
FEMA maps place 41 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 41 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 567 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 2,300 / 2,300 |
| T-Mobile Fixed Wireless | 100 / 20 |
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