Suffolk County and Islip Town property record for 14 William St, Central Islip, NY 11722
| Property Type | Single Family Home |
|---|---|
| Details | 1,590 sqft · built 1953 |
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | Individual Name on File |
| Last Sale | $418,000 (Apr 2022) |
| Tax Bill | $9,225 (2024) |
| Deeds & Mortgages | Mar 2024 Line of Credit Apr 2022 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 99.-2-18 |
| Primary APN | 472889 99.-2-18 |
|---|---|
| Alternative APNs |
|
| Building Area | 1,590 sqft Living Area |
|---|---|
| 1st Floor Area | 1,110 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Lot Area | 7,405 sqft (0.17 acres) |
| Lot Width | 75 ft Width |
| Account Number | 395368 |
|---|---|
| Street Address | 14 WILLIAM ST |
| City | CENTRAL ISLIP |
| State | NY |
| Zip | 11722-2405 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2222736Y208116 T012H00000000 |
| Legal Block | 9000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 145706 |
14 William St is owned and occupied by an individual who bought it in April 2022.
Source: Suffolk County and Islip Town records, as of August 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 14 WILLIAM ST, CENTRAL ISLIP, NY 11722-2405 |
| 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.
| Date | Document |
|---|---|
| Mar 11, 2024 | Deed of Trust, Mortgage · Line of Credit MANUFACTURERS & TRADERS TRUST CO |
| Apr 19, 2022 | Deed, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 19, 2022 · Amount on File |
| Deed Sale | Apr 19, 2022 · Amount on File |
| Prior Sale | Aug 1, 1996 · Amount on File |
| Deed Book / Page | 13152 / 402 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 14 WILLIAM ST, CENTRAL ISLIP, NY 11722-2405 |
| Transaction Type | Mortgage |
| Record Updated | Apr 16, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0235720222 |
|---|---|
| Date | Mar 11, 2024 |
| Book Page | 23572/222 |
| Name | MANUFACTURERS & TRADERS TRUST CO |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2054 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Apr 19, 2022 |
| Property Address | 14 WILLIAM ST, CENTRAL ISLIP, NY 11722-2405 |
| Document Number | 0131520402 |
| Book / Page | 13152 / 402 |
| Instrument Date | Jan 31, 2022 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2022 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 161 119TH RD, JAMAICA, NY 11434 |
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 | Central Islip Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $28,800 Land $5,900 Building $22,900 | $405,634 (-) Land $83,099 Building $322,535 | |
| 2024 | $9,225.00 | $405,634 (+2.54%) Land $83,099 Building $322,535 | |
| 2023 | $28,800 Land $5,900 Building $22,900 | $395,604 Land $81,044 Building $314,560 |
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.
FEMA maps place 14 William St in Zone X, an area of minimal flood risk.
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 |
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 14 William St 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 97% of the US · lower than 96% 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 | 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 512 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 |
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