Nassau County and Oyster Bay Town property record for 23 Andover Dr, Syosset, NY 11791
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,008 sqft · built 1958 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $17,232 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-500-00-0024 |
| Primary APN | 12-500-00-0024 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,008 sqft Living Area |
| Gross Area | 2,232 sqft |
| 1st Floor Area | 1,380 sqft |
| Basement Area | 345 sqft |
| Finished Basement | 345 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Split Level |
| Exterior Material | Brick |
| Roof Material | Other |
| Lot Area | 7,000 sqft (0.161 acres) |
| Lot Dimensions | 100 ft deep x 70 ft wide |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Frame Porch |
|---|---|
| Porch Area | 224 sqft |
| Deck Area | 308 sqft |
| Patio Area | 308 sqft |
| Balcony Area | 48 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 12500 00240 |
|---|---|
| Street Address | 23 ANDOVER DR |
| City | SYOSSET |
| State | NY |
| Zip | 11791-6303 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #3 SCH DIST 013 |
| Legal Block | 500 |
| Legal Lot Number | 24 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 518800 |
23 Andover Dr is owned and occupied by two individuals.
Source: Nassau County and Oyster Bay Town records, as of June 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 23 ANDOVER DR, SYOSSET, NY 11791-6303 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 23 Andover Dr was $17,232 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 | Syosset Central School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $641 Land $295 Building $346 | $641,000 | |
| 2025 | $17,232.00 | ||
| 2023 | $18,048.00 Homeowner's exemption Senior Citizen's exemption | $729 Land $336 Building $393 | $729,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 23 Andover Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1979.
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 | 1 in force |
| Nearby Flood Claims | 2 (1979–1981) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Feb 1981 · rainfall accumulation |
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 23 Andover Dr 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 | 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 418 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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