Suffolk County and Islip Town property record for 850 Main St, Islip, NY 11751
| Property Type | Public School (Administration, Campus, Dorms, Instruction) |
|---|---|
| Lot Size | 23.5 acres (1,023,660 sqft) |
| Owner | Company Name on Record |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 88.-3-12.1 |
| Primary APN | 472889 88.-3-12.1 |
|---|---|
| Alternative APNs |
|
| Lot Area | 1,023,660 sqft |
|---|
| Account Number | 090087 |
|---|---|
| Street Address | 850 MAIN ST |
| City | ISLIP |
| State | NY |
| Zip | 11751 |
| Property Category | Public Works |
| Property Type | Public Works > Public School (Administration, Campus, Dorms, Instruction) |
| Local Zoning Code | AA |
| Legal Description | X2256996Y211722 N031N00000000 |
| Legal Block | 8000 |
| Legal Lot Number | 300 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 146613 |
Source: Suffolk County and Islip Town records, as of August 11, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 51 SCHOOL ST, RONKONKOMA, NY 11779-2231 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Islip Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Islip Town |
| Unified School District | Sachem Central School District (PK - 12) |
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $4,191,100 (-) Land $387,800 Building $3,803,300 | |
| 2024 | $59,029,578 (+2.54%) Land $5,461,972 Building $53,567,606 | |
| 2023 | $4,191,100 Land $387,800 Building $3,803,300 | $57,570,055 Land $5,326,923 Building $52,243,132 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · 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 |
| Nearby Flood Claims | 1 (2014) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Aug 2014 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 95% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2024 |
| Lead | 1 ppb (2025–2027) action level 15 ppb |
| Water Quality | Asbestos resolved · Jul 2020 |
|---|---|
| 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 264 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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