Suffolk County and Islip Town property record for 21 E Elm St, Central Islip, NY 11722
| Property Type | Single Family Home |
|---|---|
| Details | 902 sqft · built 1960 |
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | Individual Name on File |
| Last Sale | $289,000 (May 2018) |
| Tax Bill | $6,958 (2024) |
| Deeds & Mortgages | Nov 2019 Refinance May 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 142.-2-36 |
| Primary APN | 472889 142.-2-36 |
|---|---|
| Alternative APNs |
|
| Building Area | 902 sqft Living Area |
|---|---|
| 1st Floor Area | 902 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Lot Area | 7,405 sqft (0.17 acres) |
| Lot Dimensions | 100 ft deep x 75 ft wide |
| Garage Type | Attached |
| Garage Area | 220 sqft |
| Account Number | 349700 |
|---|---|
| Street Address | 21 E ELM ST |
| City | CENTRAL ISLIP |
| State | NY |
| Zip | 11722-3818 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2224691Y204200 T025H00000000 |
| Legal Block | 2000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 146403 |
Source: Suffolk County and Islip Town records · APN 472889 142.-2-36
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 | Individual Name on File |
|---|---|
| Mailing Address | 21 E ELM ST, CENTRAL ISLIP, NY 11722-3818 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 06, 2019 | Deed of Trust, Mortgage · Stand-Alone Refinance UNITED MORTGAGE CORP |
| May 17, 2018 | Deed, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 17, 2018 · Amount on Record |
| Deed Sale | May 17, 2018 · Amount on Record |
| Prior Sale | Mar 09, 2002 · Amount on Record |
| Deed Book / Page | 12962 / 177 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 21 E ELM ST, CENTRAL ISLIP, NY 11722-3818 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0230760737 |
|---|---|
| Date | Nov 06, 2019 |
| Book Page | 23076/737 |
| Instrument | DK027298 |
| Name | UNITED MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 349 Months |
| Due | Dec 01, 2048 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | May 17, 2018 |
| Property Address | 21 E ELM ST, CENTRAL ISLIP, NY 11722-3818 |
| Document Number | 0129620177 |
| Book / Page | 12962 / 177 |
| Instrument Date | Apr 27, 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 | 91, JAMAICA, NY 11432 |
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 | Central Islip Union Free School District (PK - 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 | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $22,600 (-) Land $5,600 Building $17,000 | $318,310 (-) Land $78,873 Building $239,437 | |
| 2024 | $6,958.00 | $318,310 (+2.54%) Land $78,873 Building $239,437 | |
| 2023 | $22,600 Land $5,600 Building $17,000 | $310,439 Land $76,923 Building $233,516 |
Source: FEMA National Flood Hazard Layer as of September 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Low lower than 80% of the US · above 54% of New York |
|---|---|
| Wildfire Likelihood | 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 as of December 31, 2025 · 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.
Based on FCC filings for 612 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of 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.
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