Nassau County and Oyster Bay Town property record for 231 Jackson Ave, Syosset, NY 11791
| Property Type | Religious, Church, Worship (Synagogue, Temple, Parsonage) |
|---|---|
| Details | 28,638 sqft · built 1965 |
| Lot Size | 0.817 acres (35,584 sqft) |
| Owner | Company Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 15-071-00-0021 |
| Primary APN | 15-071-00-0021 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 28,638 sqft Gross Area |
| 1st Floor Area | 19,092 sqft |
| Interior Walls | Finished/Painted |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Exterior Material | Brick Veneer |
| Construction Type | Steel Frame |
| Lot Area | 35,584 sqft (0.817 acres) |
| Lot Dimensions | 175 ft deep x 100 ft wide |
| View / Lot | Neighborhood / Spot |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 15071 00210 |
|---|---|
| Street Address | 231 JACKSON AVE |
| City | SYOSSET |
| State | NY |
| Zip | 11791-4117 |
| Property Category | Other |
| Property Type | Other > Religious, Church, Worship (Synagogue, Temple, Parsonage) |
| Legal Description | 21,35 |
| Legal Block | 71 |
| Legal Lot Number | 21 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | OYSTER BAY |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 518400 |
231 Jackson Ave is owned by a company.
Source: Nassau County and Oyster Bay Town records, as of June 17, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 231 JACKSON AVE, SYOSSET, NY 11791-4117 |
| Owner Type | Company |
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 |
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 | $31,845 Land $8,995 Building $22,850 | $3,184,500 | |
| 2023 | Additional exemption filed | $31,845 Land $8,995 Building $22,850 | $3,184,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 231 Jackson Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2011.
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 | 6 in force |
| Nearby Flood Claims | 1 (2011) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2011 · 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.
Wildfire risk around 231 Jackson Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.9% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 464 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 |
May also be available: Frontier.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures