Suffolk County and Islip Town property record for 447 Prospect Ave, Central Islip, NY 11722
| Property Type | Single Family Home |
|---|---|
| Details | 814 sqft · built 1929 |
| Lot Size | 0.45 acres (19,602 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $226,840 (Oct 2018) |
| Tax Bill | $10,188 (2024) |
| Deeds & Mortgages | Jan 2023 Mortgage Dec 2020 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 76.-4-45 |
| Primary APN | 472889 76.-4-45 |
|---|---|
| Alternative APNs |
|
| Building Area | 814 sqft Living Area |
|---|---|
| 1st Floor Area | 814 sqft |
| Year Built | Built 1929 |
|---|---|
| Effective Year Built | Effective 1929 |
| Lot Area | 19,602 sqft (0.45 acres) |
| Lot Dimensions | 200 ft deep x 100 ft wide |
| Garage Type | Detached |
| Garage Area | 880 sqft |
| Account Number | 301920 |
|---|---|
| Street Address | 447 PROSPECT AVE |
| City | CENTRAL ISLIP |
| State | NY |
| Zip | 11722-1829 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AA |
| Legal Description | X2215030Y208113 T011H00000000 |
| Legal Block | 6000 |
| Legal Lot Number | 400 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 145703 |
Source: Suffolk County and Islip Town records, as of August 11, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 447 PROSPECT AVE, CENTRAL ISLIP, NY 11722-1829 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jan 22, 2023 | Deed of Trust, Mortgage · FHA Mortgage CALIBER HOME LOANS INC |
| Dec 21, 2020 | Deed of Trust, Mortgage · FHA Mortgage SECRETARY HOUSING URBAN DEVELOPMENT |
| Oct 30, 2018 | Deed, Transfer |
| Jul 19, 2017 | Trustee's Deed, Foreclosure CLOSING USA LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 30, 2018 · Amount on Record |
| Deed Sale | Oct 30, 2018 · Amount on Record |
| Prior Sale | Jul 19, 2017 · Amount on Record |
| Deed Book / Page | 12985 / 296 |
| Prior Transfer Date | Jan 24, 2017 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 447 PROSPECT AVE, CENTRAL ISLIP, NY 11722-1829 |
| Transaction Type | Mortgage |
| Record Updated | Jan 23, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0234760449 |
|---|---|
| Date | Jan 22, 2023 |
| Book Page | 23476/449 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 325 Months |
| Due | Feb 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 447 PROSPECT AVE, CENTRAL ISLIP, NY 11722-1829 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0232100155 |
|---|---|
| Date | Dec 21, 2020 |
| Book Page | 23210/155 |
| Instrument | DL042960 |
| Name | SECRETARY HOUSING URBAN DEVELOPMENT |
|---|---|
| Type | Government Agency |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 325 Months |
| Due | Jan 1, 2048 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Oct 30, 2018 |
| Property Address | 447 PROSPECT AVE, CENTRAL ISLIP, NY 11722-1829 |
| Document Number | 0129850296 |
| Book / Page | 12985 / 296 |
| Instrument Date | Sep 24, 2018 |
| Transaction Type | Transfer |
| Record Updated | Aug 20, 2021 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Jul 19, 2017 |
| Property Address | 447 PROSPECT AVE, CENTRAL ISLIP, NY 11722-1829 |
| Document Number | 0129200990 |
| Book / Page | 012920 / 000990 |
| Instrument Date | Jan 24, 2017 |
| Transaction Type | Foreclosure |
| Record Updated | Sep 27, 2017 |
| Title Company | CLOSING USA LLC |
| Amount | Amount Recorded |
|---|---|
| Tax | $1,771.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 1600 S DOUGLASS RD #200A ANAHEIM CA 928065948, 200A, ANAHEIM, CA 92806-5948 |
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 | Central Islip Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $32,000 (-) Land $10,200 Building $21,800 | $450,704 (-) Land $143,662 Building $307,042 | |
| 2024 | $10,188.00 | $450,704 (+2.54%) Land $143,662 Building $307,042 | |
| 2023 | $32,000 Land $10,200 Building $21,800 | $439,561 Land $140,110 Building $299,451 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 343 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 |
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