Westchester County and Greenburgh Town property record for 12 Old Mill Ln, Ardsley, NY 10502
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,630 sqft · built 1986 |
| Lot Size | 0.11 acres (4,792 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $600,000 (Dec 2009) |
| Tax Bill | $21,248 (2026) |
| Deeds & Mortgages | Oct 2021 Mortgage Oct 2021 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 552601 6.20-3-45 |
| Primary APN | 552601 6.20-3-45 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 1,630 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Exterior Material | Stucco |
| Lot Area | 4,792 sqft (0.11 acres) |
| Garage Type | Attached |
| Porch | Covered Porch |
| Porch Area | 84 sqft |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Account Number | 6169225 |
|---|---|
| Street Address | 12 OLD MILL LN |
| City | ARDSLEY |
| State | NY |
| Zip | 10502-1528 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | AMENDED MAP OF STONEGATE AT ARDSLEY |
| Legal Block | 3 |
| Legal Lot Number | 45.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | GREENBURGH |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 10600 |
12 Old Mill Ln is owned and occupied by two individuals who bought it in December 2009.
Source: Westchester County and Greenburgh Town records, as of October 21, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 12 OLD MILL LN, ARDSLEY, NY 10502-1528 |
| 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 |
|---|---|
| Oct 4, 2021 | Deed of Trust, Mortgage · Conventional Mortgage SANTANDER BANK NA |
| Oct 4, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance SANTANDER BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 3, 2009 · Amount on File |
| Deed Sale | Dec 3, 2009 · Amount on File |
| Prior Sale | Aug 15, 2006 · Amount on File |
| Deed Document Number | 2009493220660 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Property Address | 12 OLD MILL LN, ARDSLEY, NY 10502-1528 |
| Transaction Type | Mortgage |
| Record Updated | Oct 21, 2021 |
| Title Company | RES/TITLE INC, RES TITLE INC |
| Name | Verified Name |
|---|---|
| Address | 12 OLD MILL LN, ARDSLEY, NY 10502-1528 |
| Document Number | 0612743658 |
|---|---|
| Date | Oct 4, 2021 |
| Instrument | 612743658 |
| Name | SANTANDER BANK NA |
|---|---|
| Type | Bank |
| Address | WILMINGTON, DE 19801 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 235 Months |
| Due | May 1, 2041 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Property Address | 12 OLD MILL LN, ARDSLEY, NY 10502-1528 |
| Transaction Type | Mortgage |
| Record Updated | Oct 21, 2021 |
| Title Company | RES/TITLE INC, RES TITLE INC |
| Name | Verified Name |
|---|---|
| Address | 12 OLD MILL LN, ARDSLEY, NY 10502-1528 |
| Document Number | 0612743659 |
|---|---|
| Date | Oct 4, 2021 |
| Instrument | 612743659 |
| Name | SANTANDER BANK NA |
|---|---|
| Type | Bank |
| Address | WILMINGTON, DE 19801 |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
The 2026 property tax bill for 12 Old Mill Ln was $21,248, up 53.1% from the year before.
Source: Westchester County and Greenburgh Town assessment roll, as of May 14, 2026
| Type | Name |
|---|---|
| State | New York |
| Municipality | Ardsley Village |
| County | Westchester County |
| County Subdivision | Greenburgh Town |
| Unified School District | Ardsley Union Free School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $21,248.00 (+53.07%) | ||
| 2025 | $13,881.00 | $752,200 (+22.19%) Land $176,800 Building $575,400 | $752,200 (+22.19%) Land $176,800 Building $575,400 |
| 2024 | $615,600 (-18.03%) Land $176,800 Building $438,800 | $615,600 (-18.03%) Land $176,800 Building $438,800 | |
| 2023 | $751,000 Land $203,300 Building $547,700 | $751,000 Land $203,300 Building $547,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 12 Old Mill Ln in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 7 (1979–2009) |
| Claims Outside the SFHA | 2 of 7 |
| Most Recent Claim | Aug 2009 · 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 12 Old Mill Ln 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 96% of the US · lower than 95% 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 | VEOLIA WATER NEW YORK, INC. RD-1 private · serves 146,732 people · EPA ID NY5903444 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2025 |
| Lead | 12 ppb (2025–2027) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 350 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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