Suffolk County and Islip Town property record for 20 Brook St, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.44 acres (19,166 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $230,000 (May 2003) |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 294.-1-112 |
| Primary APN | 472889 294.-1-112 |
|---|---|
| Alternative APNs |
|
| Lot Area | 19,166 sqft (0.44 acres) |
|---|---|
| Lot Dimensions | 192 ft deep x 100 ft wide |
| Account Number | 034814 |
|---|---|
| Street Address | 20 BROOK ST |
| City | ISLIP |
| State | NY |
| Zip | 11751-2002 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | X2216233Y189591 T043H00000000 |
| Legal Block | 4000 |
| Legal Lot Number | 100 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1032 |
| Census Tract | 146103 |
Source: Suffolk County and Islip Town records · APN 472889 294.-1-112
Assessment roll updated August 11, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 20 BROOK ST, ISLIP, NY 11751-2002 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 23, 2003 · Amount on Record |
| Deed Sale | May 23, 2003 · Amount on Record |
| Prior Sale | Dec 18, 2001 · Amount on Record |
| Deed Book / Page | 12252 / 748 |
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Islip Town records · Assessment roll updated August 11, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Islip Town |
| Unified School District | Islip Union Free School District (KG - 12) |
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.
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $26,500 (-) Land $10,800 Building $15,700 | |
| 2024 | $373,240 (+2.54%) Land $152,113 Building $221,127 | |
| 2023 | $26,500 Land $10,800 Building $15,700 | $364,011 Land $148,352 Building $215,659 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031461031, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 6 (1979–2014) |
| Claims Outside the SFHA | 5 of 6 |
| Most Recent Claim | Aug 2014 · rainfall accumulation |
| 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 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: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 370 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Communications Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 2,300 / 2,300 |
May also be available: T-Mobile USA.
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026
| Water System | SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures