Suffolk County and Smithtown Town property record for 4 Grendon Ln, Commack, NY 11725
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.25 acres (10,890 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $387,000 (Sep 2009) |
| Tax Bill | $11,881 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 473489 64.-1-53 |
| Primary APN | 473489 64.-1-53 |
|---|---|
| Alternative APNs |
|
| Lot Area | 10,890 sqft (0.25 acres) |
|---|
| Street Address | 4 GRENDON LN |
|---|---|
| City | COMMACK |
| State | NY |
| Zip | 11725-1308 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 12-487601 TC-52 *2763 LOT 615 MAYFAIR ESTS SEC J |
| Legal Block | 1 |
| Legal Lot Number | 53 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | SMITHTOWN |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 135102 |
4 Grendon Ln is owned and occupied by two individuals who acquired it in January 2013.
Source: Suffolk County and Smithtown Town records, as of August 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4 GRENDON LN, COMMACK, NY 11725-1308 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 4, 2009 · Amount on File |
| Deed Sale | Sep 4, 2009 · Amount on File |
| Deed Book / Page | 12599 / 78 |
| Last Transfer Date | Jan 25, 2013 |
| Transfer Doc | 0127290002 |
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Smithtown Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Smithtown Town |
| Unified School District | Commack Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,660 Land $300 Building $4,360 | $582,500 Land $37,500 Building $545,000 | |
| 2024 | $11,881.00 | ||
| 2023 | $4,660 Land $300 Building $4,360 | $5,356 Land $345 Building $5,011 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 4 Grendon Ln in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2007.
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 |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 1 (2007) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jul 2007 · rainfall accumulation |
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.
The area around 4 Grendon Ln has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 420 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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