Suffolk County and Islip Town property record for 421 Smith Ave, Islip, NY 11751 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Year Built | Built 1964 |
| Square Footage | 2,251 sqft Living Area |
| Lot Size | 32,234 sqft (0.74 acres) |
| Garage | Attached, 528 sqft |
| Occupancy | Owner Occupied |
| Last Sale | $575,000 (2003) |
| Tax Bill | $18,243.00 (2024) |
Source: Suffolk County and Islip Town records · APN 472889 444.-2-33
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 | 421 SMITH AVE, ISLIP, NY 11751-4716 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| May 20, 2021 | Deed of Trust, Mortgage · Stand Alone Refinance FREEDOM MORTGAGE CORP |
| May 20, 2021 | Deed, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 16, 2003 · Amount on Record |
| Deed Sale | Jul 16, 2003 · Amount on Record |
| Prior Sale | Dec 27, 1996 · Amount on Record |
| Deed Book / Page | 12261 / 336 |
| Prior Transfer Date | Aug 23, 1999 |
| Prior Transfer Doc | 1199000168 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 421 SMITH AVE, ISLIP, NY 11751-4716 |
| Transaction Type | Mortgage |
| Record Updated | Feb 23, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0232770803 |
|---|---|
| Date | May 20, 2021 |
| Book Page | 23277/803 |
| Instrument | DM011980 |
| Name | FREEDOM MORTGAGE CORP |
|---|---|
| Type | Subprime Lender |
| Type | Stand Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2051 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | May 20, 2021 |
| Property Address | 421 SMITH AVE, ISLIP, NY 11751-4716 |
| Document Number | 0131050370 |
| Book / Page | 13105 / 370 |
| Instrument Date | Mar 13, 2021 |
| Transaction Type | Transfer |
| Record Updated | Jan 17, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 93 ROOT AVE, ISLIP, NY 11751-2417 |
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 | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $53,800 (-) Land $19,600 Building $34,200 | $757,746 (-) Land $276,056 Building $481,690 | |
| 2024 | $18,243.00 | $757,746 (+2.54%) Land $276,056 Building $481,690 | |
| 2023 | $53,800 Land $19,600 Building $34,200 | $739,011 Land $269,231 Building $469,780 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Wildfire Risk | Low above 6% of the US · above 9% of New York |
|---|---|
| Wildfire Likelihood | About 1 in 7,692 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 472889 444.-2-33 |
|---|---|
| Alternative APNs |
|
| Building Area | 2,251 sqft Living Area |
|---|---|
| 1st Floor | 1,411 sqft 1st Floor |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Lot Area | 32,234 sqft (0.74 acres) |
| Lot Width | 100 ft Width |
| Garage Type | Attached Garage |
| Garage Area | 528 sqft Garage |
| Account Number | 035363 |
|---|---|
| Street Address | 421 SMITH AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-4716 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | X2217217Y179293 T059H00000000 |
| Legal Subdivision | MAP BELMONT TERRACE SECTION C |
| Legal Block | 4000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Minor Civil Division | ISLIP |
| Census Blockgroup | 2 |
| Census Block | 2001 |
| Census Tract | 147402 |
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