Nassau County and Oyster Bay Town property record for 527 Split Rock Rd, Syosset, NY 11791
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 5,244 sqft · built 1964 |
| Lot Size | 2 acres (87,120 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,230,000 (Sep 1999) |
| Tax Bill | $54,764 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 25-058-00-0111 |
| Primary APN | 25-058-00-0111 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Plumbing Fixtures | 4 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 5,244 sqft Living Area |
| Gross Area | 6,741 sqft |
| 1st Floor Area | 1,810 sqft |
| Basement Area | 547 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | Colonial |
| Exterior Material | Brick/Stone |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 87,120 sqft |
| View / Lot | Private Road |
| Garage Type | Attached |
| Garage Area | 950 sqft |
| Parking Spaces | 4 Parking Spaces |
| Pool Area | 990 sqft |
|---|---|
| Porch | Open Frame Porch |
| Porch Area | 196 sqft |
| Deck Area | 220 sqft |
| Patio Area | 1,440 sqft |
| Balcony Area | 13 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 25058 01110 |
|---|---|
| Street Address | 527 SPLIT ROCK RD |
| City | SYOSSET |
| State | NY |
| Zip | 11791-1500 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 012 |
| Legal Block | 58 |
| Legal Lot Number | 111 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 518300 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 527 SPLIT ROCK RD, SYOSSET, NY 11791-1500 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 13, 1999 · Amount on Record |
| Deed Sale | Sep 13, 1999 · Amount on Record |
| Deed Document Number | 1999922 |
| Deed Book / Page | 11103 / 795 |
| Record Updated | Sep 20, 2026 |
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 | Syosset Central School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,838 (-) Land $865 Building $973 | $1,838,000 (-) | |
| 2025 | $54,764.00 (+1.97%) | ||
| 2023 | $53,706.00 Additional exemption filed | $1,838 Land $865 Building $973 | $1,838,000 |
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 | 8 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 80% of the US · above 54% of New York |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
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 | JERICHO WD public/private · serves 58,000 people · EPA ID NY2902831 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2023 |
| Lead | 2 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Corrosion control Jul 2023 |
| 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 63 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Optimum Cable · Fiber in parts of the area | 940 / 35 |
5G (outdoors only) and 4G LTE
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