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 Record |
| 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 |
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 Record |
|---|---|
| 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 Record |
| Deed Sale | May 9, 2018 · Amount on Record |
| Prior Sale | Aug 24, 2004 · Amount on Record |
| 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 Recorded |
| 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 Recorded |
|---|---|
| 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.
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 Record 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.
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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