Suffolk County and Islip Town property record for 320 Grant Ave, Islip, NY 11751
| Property Type | Single Family Home |
|---|---|
| Details | 1,926 sqft · built 1972 |
| Lot Size | 0.33 acres (14,375 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $550,000 (Oct 2021) |
| Tax Bill | $12,961 (2024) |
| Deeds & Mortgages | Jul 2026 Sale Oct 2021 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 319.-2-97 |
| Primary APN | 472889 319.-2-97 |
|---|---|
| Alternative APNs |
|
| Building Area | 1,926 sqft Living Area |
|---|---|
| 1st Floor Area | 1,000 sqft |
| Basement Area | 432 sqft |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Lot Area | 14,375 sqft (0.33 acres) |
| Lot Width | 116 ft Width |
| Garage Type | Attached |
| Garage Area | 252 sqft |
| Account Number | 586620 |
|---|---|
| Street Address | 320 GRANT AVE |
| City | ISLIP |
| State | NY |
| Zip | 11751-2624 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | B |
| Legal Description | X2217583Y188379 T044H00000000 |
| Legal Subdivision | MAP WILLOWBROOK PARK AT ISLIP |
| Legal Block | 9000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 147401 |
Source: Suffolk County and Islip Town records, as of August 26, 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 Record |
|---|---|
| Mailing Address | 320 GRAND AVE, AMITYVILLE, NY 11701 |
| Owner Type | Individual |
| Vesting | Individual(s) |
| Date | Document |
|---|---|
| Jul 15, 2026 | Deed, Transfer |
| Oct 13, 2021 | Deed, Transfer · FHA Mortgage CONTOUR MORTGAGE CORP |
| Aug 17, 2017 | Deed of Trust, Mortgage CALIBER HM LOANS |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 13, 2021 · Amount on Record |
| Deed Sale | Oct 13, 2021 · Amount on Record |
| Prior Sale | Dec 14, 2006 · Amount on Record |
| Deed Document Number | 2021 |
| Deed Book / Page | 13124 / 135 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Jul 15, 2026 |
| Property Address | 320 GRANT AVE, ISLIP, NY 11751-2624 |
| Document Number | 1334000849 |
| Book / Page | 13342 / 849 |
| Instrument Date | Apr 4, 2026 |
| Transaction Type | Transfer |
| Record Updated | Sep 9, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Oct 13, 2021 |
| Property Address | 320 GRANT AVE, ISLIP, NY 11751-2624 |
| Document Number | 0131240135 |
| Book / Page | 13124 / 135 |
| Instrument Date | Aug 27, 2021 |
| Transaction Type | Transfer |
| Record Updated | Nov 23, 2021 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 119 GOTHAM AVE, ELMONT, NY 11003-1517 |
| Document Number | 23335762 |
|---|---|
| Date | Oct 13, 2021 |
| Instrument | 23335/762 |
| Name | CONTOUR MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 320 GRANT AVE, ISLIP, NY 11751-2624 |
| Document Number | 0228650347 |
| Book / Page | 022865 / 000347 |
| Instrument Date | Aug 17, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Nov 22, 2017 |
| Title Company | COACH TITLE AGENCY |
| Name | Verified Name |
|---|---|
| Address | 320 GRANT AVE ISLIP NY 117512624, ISLIP, NY 11751-2624 |
| Document Number | 0228650347 |
|---|---|
| Date | Oct 18, 2017 |
| Book Page | 022865/000347 |
| Name | CALIBER HM LOANS |
|---|---|
| Type | Funding / Finance Company |
| Address | IRVING, TX 75063 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Oct 17, 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 | $39,000 (-) Land $8,000 Building $31,000 | $549,296 (-) Land $112,676 Building $436,620 | |
| 2024 | $12,961.00 | $549,296 (+2.54%) Land $112,676 Building $436,620 | |
| 2023 | $39,000 Land $8,000 Building $31,000 | $535,714 Land $109,890 Building $425,824 |
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.
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 Record 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.
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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