Suffolk County and Islip Town property record for 150 Saint Marks Ln, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Details | 2,279 sqft · built 1956 |
| Lot Size | 0.32 acres (13,939 sqft) |
| Owner | Individual Name on File |
| Last Sale | $475,000 (May 2018) |
| Deeds & Mortgages | Aug 2020 Refinance May 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 423.-1-10.2 |
| Primary APN | 472889 423.-1-10.2 |
|---|---|
| Alternative APNs |
|
| Building Area | 2,279 sqft Living Area |
|---|---|
| 1st Floor Area | 1,379 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Lot Area | 13,939 sqft (0.32 acres) |
| Lot Width | 109 ft Width |
| Garage Type | Attached |
| Garage Area | 408 sqft |
| Street Address | 150 SAINT MARKS LN |
|---|---|
| City | ISLIP |
| State | NY |
| Zip | 11751-4117 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A |
| Legal Description | T059H00000000 |
| Legal Block | 3000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1019 |
| Census Tract | 147402 |
150 Saint Marks Ln is owned and occupied by an individual who bought it in May 2018.
Source: Suffolk County and Islip Town records, as of August 11, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 150 SAINT MARKS LN, ISLIP, NY 11751-4117 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Aug 19, 2020 | Deed of Trust, Mortgage · Stand-Alone Refinance UNITED WHOLESALE MORTGAGE |
| May 9, 2018 | Deed, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 9, 2018 · Amount on File |
| Deed Sale | May 9, 2018 · Amount on File |
| Prior Sale | Aug 24, 2004 · Amount on File |
| Deed Book / Page | 12960 / 885 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 150 SAINT MARKS LN, ISLIP, NY 11751-4117 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0231640751 |
|---|---|
| Date | Aug 19, 2020 |
| Book Page | 23164/751 |
| Instrument | DL021289 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Sep 1, 2040 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | May 9, 2018 |
| Property Address | 150 SAINT MARKS LN, ISLIP, NY 11751-4117 |
| Document Number | 0129600885 |
| Book / Page | 12960 / 885 |
| Instrument Date | Apr 12, 2018 |
| Transaction Type | Transfer |
| Record Updated | Aug 20, 2021 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 295 WILLETTS LN, WEST ISLIP, NY 11795-4616 |
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 | Islip Union Free School District (KG - 12) |
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $54,400 (+4.62%) Land $13,700 Building $40,700 | |
| 2024 | $700,000 (-2%) Land $192,958 Building $507,042 | |
| 2023 | $52,000 Land $13,700 Building $38,300 | $714,286 Land $188,187 Building $526,099 |
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 150 Saint Marks Ln in Zone X, an area of minimal flood risk, though there have been 19 flood claims nearby since 1980.
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 |
| Flood Insurance Cost | Premium on File median of 40 policies |
| Nearby Flood Policies | 40 in force |
| Nearby Flood Claims | 19 (1980–2023) |
| Claims Outside the SFHA | 18 of 19 |
| Most Recent Claim | Jul 2023 · rainfall accumulation |
| Claims by Event |
|
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 150 Saint Marks Ln 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 98% of the US · lower than 97.9% 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 | 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 357 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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