Suffolk County and Babylon Town property record for 18 William St, Babylon, NY 11702
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 1,824 sqft · built 1928 |
| Lot Size | 0.224 acres (9,760 sqft) |
| Owner | Individual Name on File |
| Last Sale | $568,000 (Sep 2018) |
| Tax Bill | $17,024 (2024) |
| Deeds & Mortgages | Jun 2020 Construction Loan Dec 2019 Loan Modification + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 472003 7.-1-57 |
| Primary APN | 472003 7.-1-57 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Building Area | 1,824 sqft Building Perimeter |
| Year Built | Built 1928 |
|---|---|
| Effective Year Built | Effective 1928 |
| Lot Area | 9,760 sqft (0.224 acres) |
| Lot Dimensions | 160 ft deep x 61 ft wide |
| Account Number | 20250313410 |
|---|---|
| Street Address | 18 WILLIAM ST |
| City | BABYLON |
| State | NY |
| Zip | 11702-2308 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | FILED MAP 514 LOTS PTS 51 & 52 |
| Legal Block | 1 |
| Legal Lot Number | 57 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BABYLON |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 124500 |
Source: Suffolk County and Babylon Town records · APN 472003 7.-1-57
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 | 18 WILLIAM ST, BABYLON, NY 11702-2308 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jun 01, 2020 | Deed of Trust, Mortgage · Construction Mortgage ISLAND FCU |
| Dec 26, 2019 | Loan Modification, Consolidation and Extension, Mortgage · Conventional Mortgage ISLAND FCU |
| Sep 12, 2018 | Deed, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 12, 2018 · Amount on Record |
| Deed Sale | Sep 12, 2018 · Amount on Record |
| Deed Book / Page | 12978 / 55 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 18 WILLIAM ST, BABYLON, NY 11702-2308 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0231390597 |
|---|---|
| Date | Jun 01, 2020 |
| Book Page | 23139/597 |
| Instrument | DL008747 |
| Name | ISLAND FCU |
|---|---|
| Type | Credit Union |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2050 |
| Document Type | Loan Modification, Consolidation and Extension |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 18 WILLIAM ST, BABYLON, NY 11702-2308 |
| Document Number | 0231390598 |
| Instrument Date | Dec 26, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Oct 26, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 18 WILLIAM ST BABYLON NY 117022308, BABYLON, NY 11702-2308 |
| Document Number | 0231390598 |
|---|---|
| Date | Jun 01, 2020 |
| Book Page | 023139/000598 |
| Name | ISLAND FCU |
|---|---|
| Type | Credit Union |
| Address | HAUPPAUGE, NY 11788 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 31, 2050 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.37% |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Sep 12, 2018 |
| Property Address | 18 WILLIAM ST, BABYLON, NY 11702-2308 |
| Document Number | 0129780055 |
| Book / Page | 12978 / 55 |
| Instrument Date | Aug 13, 2018 |
| Transaction Type | Transfer |
| Record Updated | Aug 20, 2021 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 69 108TH ST, FOREST HILLS, NY 11375 |
Source: Suffolk County and Babylon Town records · Assessment roll updated August 11, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | New York |
| Municipality | Babylon Village |
| County | Suffolk County |
| County Subdivision | Babylon Town |
| Unified School District | Babylon Union Free School District (KG - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,630 (-) Land $320 Building $4,310 | ||
| 2024 | $17,024.00 | ||
| 2023 | $4,630 Land $320 Building $4,310 | $258,659 Land $17,877 Building $240,782 |
Source: FEMA National Flood Hazard Layer as of September 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 | 7 (1979–2018) |
| Claims Outside the SFHA | 4 of 7 |
| Most Recent Claim | Mar 2018 · other causes |
| Claims by Event |
|
| Wildfire Risk | Not rated no wildfire likelihood modeled here |
|---|
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Communications Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 506 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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