Suffolk County and Islip Town property record for 312 Grant Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Details | 1,903 sqft · built 1969 |
| Lot Size | 0.31 acres (13,504 sqft) |
| Owner | Individual Name on File |
| Last Sale | $423,000 (Mar 2017) |
| Tax Bill | $13,334 (2024) |
| Deeds & Mortgages | Jan 2022 Refinance Mar 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 319.-2-101 |
| Primary APN | 472889 319.-2-101 |
|---|---|
| Alternative APNs |
|
| Building Area | 1,903 sqft Living Area |
|---|---|
| 1st Floor Area | 1,001 sqft |
| Basement Area | 408 sqft |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1969 |
| Lot Area | 13,504 sqft (0.31 acres) |
| Lot Width | 116 ft Width |
| Garage Type | Attached |
| Garage Area | 198 sqft |
| Account Number | 586650 |
|---|---|
| Street Address | 312 GRANT AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-2624 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2217546Y188210 T044H00000000 |
| Legal Block | 9000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 3 |
| Census Block | 3027 |
| Census Tract | 147401 |
312 Grant Ave is owned and occupied by an individual who bought it in March 2017.
Source: Suffolk County and Islip Town records, as of August 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 312 GRANT AVE, ISLIP, NY 11751-2624 |
| 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.
| Date | Document |
|---|---|
| Jan 29, 2022 | Deed of Trust, Mortgage · Stand-Alone Refinance JPMORGAN CHASE BANK NA |
| Mar 13, 2017 | Grant Deed, Transfer · Conventional Mortgage JP MORGAN CHASE BK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 13, 2017 · Amount on File |
| Deed Sale | Mar 13, 2017 · Amount on File |
| Prior Sale | Dec 28, 2000 · Amount on File |
| Deed Book / Page | 12904 / 419 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 312 GRANT AVE, ISLIP, NY 11751-2624 |
| Transaction Type | Mortgage |
| Record Updated | Mar 23, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0233750026 |
|---|---|
| Date | Jan 29, 2022 |
| Book Page | 23375/26 |
| Instrument | DM062267 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Feb 1, 2052 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Mar 13, 2017 |
| Property Address | 312 GRANT AVE, ISLIP, NY 11751-2624 |
| Document Number | 0129040419 |
| Book / Page | 012904 / 000419 |
| Instrument Date | Jan 12, 2017 |
| Transaction Type | Transfer |
| Record Updated | Feb 8, 2018 |
| Title Company | ALL STATE ABSTRACT CORPORATION, ALL STATE ABSTRACT CORP. |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,692.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 8 LINDA LN NORTH BABYLON NY 117031010, NORTH BABYLON, NY 11703-1010 |
| Document Number | 227970841 |
|---|---|
| Date | Mar 13, 2017 |
| Book Page | 022797/000841 |
| Name | JP MORGAN CHASE BK |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Mar 12, 2047 |
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 | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $40,500 Land $7,800 Building $32,700 | $570,422 (-) Land $109,859 Building $460,563 | |
| 2024 | $13,334.00 | $570,422 (+2.54%) Land $109,859 Building $460,563 | |
| 2023 | $40,500 Land $7,800 Building $32,700 | $556,319 Land $107,143 Building $449,176 |
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.
FEMA maps place 312 Grant Ave in Zone X, an area of minimal flood risk, though there have been 13 flood claims nearby since 1978.
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 File median of 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 13 (1978–2014) |
| Claims Outside the SFHA | 12 of 13 |
| Most Recent Claim | Aug 2014 · 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.
Wildfire risk around 312 Grant Ave is low, with less than a 0.01% annual chance of wildfire.
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 329 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
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