Westchester County and North Castle Town property record for 7 William St, West Harrison, NY 10604
| Property Type | Residential |
|---|---|
| Lot Size | 0.09 acres (3,920 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $495,000 (Sep 2018) |
| Tax Bill | $1,570 (2026) |
| Deeds & Mortgages | Sep 2018 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 553800 123.05-1-19 |
| Primary APN | 553800 123.05-1-19 |
|---|---|
| Alternative APNs |
|
| Lot Area | 3,920 sqft (0.09 acres) |
|---|
| Sewer | Municipal |
|---|---|
| Water Source | Well |
| Account Number | R .5A |
|---|---|
| Street Address | 7 WILLIAM ST |
| City | WEST HARRISON |
| State | NY |
| Zip | 10604 |
| Property Category | Residential |
| Property Type | Residential > Specialized > Other |
| Local Zoning Code | R-1/2 |
| Legal Block | 1 |
| Legal Lot Number | 19.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | NORTH CASTLE |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 12301 |
Source: Westchester County and North Castle Town records, as of October 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 9 WILLIAM ST, WEST HARRISON, NY 10604-1026 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 12, 2018 · Amount on Record |
| Deed Sale | Sep 12, 2018 · Amount on Record |
| Deed Document Number | 2018582393572 |
| Record Updated | Oct 29, 2026 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Sep 12, 2018 |
| Property Address | 7 WILLIAM ST, WEST HARRISON, NY 10604 |
| Document Number | 0582393572 |
| Instrument Date | Aug 30, 2018 |
| Instrument | 582393572 |
| Transaction Type | Transfer |
| Record Updated | May 6, 2022 |
| Title Company | THOROUGHBRED TITLE SERVICE L |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,980.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 9 WILLIAM ST, 9, WEST HARRISON, NY 10604-1026 |
| Name | Verified Name |
|---|---|
| Address | 31 ROCKLEDGE AVE, WHITE PLAINS, NY 10601-1300 |
| Document Number | 0582543390 |
|---|---|
| Date | Sep 12, 2018 |
| Instrument | 582543390 |
| Name | MAHOPAC BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 1, 2048 |
Source: Westchester County and North Castle Town assessment roll, as of May 14, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| County Subdivision | North Castle Town |
| Unified School District | Valhalla Union Free School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,570.00 (-66.08%) | ||
| 2025 | $4,629.00 | $1,100 (-) Land $500 Building $600 | $67,901 (+11.11%) Land $30,864 Building $37,037 |
| 2024 | $1,100 (-) Land $500 Building $600 | $61,111 (-8.33%) Land $27,778 Building $33,333 | |
| 2023 | $1,100 Land $500 Building $600 | $66,667 Land $30,303 Building $36,364 |
Assessed value is set for property tax purposes, not a market price estimate; it is 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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 2 (2006–2011) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Sep 2011 · other causes |
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 80% of the US · above 54% of New York |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 59 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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