Nassau County and Oyster Bay Town property record for 34 Knowles St, Plainview, NY 11803
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 1,708 sqft · built 1957 |
| Lot Size | 0.189 acres (8,250 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $540,000 (Jan 2018) |
| Tax Bill | $17,494 (2025) |
| Deeds & Mortgages | Nov 2019 Mortgage Jan 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-490-00-0047 |
| Primary APN | 12-490-00-0047 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,708 sqft Living Area |
| Gross Area | 1,939 sqft |
| 1st Floor Area | 1,470 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Other |
| Lot Area | 8,250 sqft (0.189 acres) |
| Lot Dimensions | 166 ft deep x 67 ft wide |
| Garage Type | Attached |
| Garage Area | 231 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Frame Porch |
| Porch Area | 190 sqft |
| Patio Area | 340 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 12490 00470 |
|---|---|
| Street Address | 34 KNOWLES ST |
| City | PLAINVIEW |
| State | NY |
| Zip | 11803-3926 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 019 |
| Legal Subdivision | MORTON VLG SEC #9 |
| Legal Block | 490 |
| Legal Lot Number | 47 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 519704 |
Source: Nassau County and Oyster Bay Town records · APN 12-490-00-0047
Assessment roll updated June 17, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 34 KNOWLES ST, PLAINVIEW, NY 11803-3926 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 15, 2019 | Deed of Trust, Mortgage · Conventional Mortgage BETHPAGE FCU |
| Jan 03, 2018 | Grant Deed, Transfer AMTRUST TITLE INSURANCE COMPANY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 03, 2018 · Amount on Record |
| Deed Sale | Jan 03, 2018 · Amount on Record |
| Prior Sale | Dec 12, 2016 · Amount on Record |
| Deed Document Number | 2018445 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NASSAU NY |
| Property Address | 34 KNOWLES ST, PLAINVIEW, NY 11803-3926 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | CHICAGO TITLE |
| Name | Verified Name |
|---|
| Document Number | 0438100698 |
|---|---|
| Date | Nov 15, 2019 |
| Book Page | 43810/698 |
| Instrument | 2019-100680 |
| Name | BETHPAGE FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 28, 2049 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Jan 03, 2018 |
| Property Address | 34 KNOWLES ST, PLAINVIEW, NY 11803-3926 |
| Document Number | 0136040142 |
| Book / Page | 013604 / 000142 |
| Instrument Date | Nov 15, 2017 |
| Instrument | 445 |
| Transaction Type | Transfer |
| Record Updated | Jan 24, 2018 |
| Title Company | AMTRUST TITLE INSURANCE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $2,160.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 8 HARVARD DR WOODBURY NY 117973303, WOODBURY, NY 11797-3303 |
Source: Nassau County and Oyster Bay Town records · Assessment roll updated June 17, 2026 · Last verified June 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) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $577 (-3.83%) Land $296 Building $281 | $577,000 (-3.83%) | |
| 2025 | $17,494.00 (+16.83%) | ||
| 2023 | $14,974.00 Additional exemption filed | $600 Land $308 Building $292 | $600,000 |
Source: FEMA National Flood Hazard Layer, Nassau County (36059C), updated April 5, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 360595197042, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 7 (1978–2012) |
| Claims Outside the SFHA | 5 of 7 |
| Most Recent Claim | Dec 2012 · rainfall accumulation |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 607 locations within half a mile · Last verified October 2026
| 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 |
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026
| Water System | PLAINVIEW WD public/private · serves 34,000 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures