Rockland County and Ramapo Town property record for 20 Williams Ave, Spring Valley, NY 10977
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 2,230 sqft · built 1957 |
| Lot Size | 0.27 acres (11,761 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $253,000 (Nov 2014) |
| Tax Bill | $13,397 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 392689 50.11-2-30 |
| Primary APN | 392689 50.11-2-30 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,230 sqft Living Area |
| 1st Floor Area | 1,072 sqft |
| 2nd Floor Area | 1,158 sqft |
| Basement Area | 575 sqft |
| Game Room | Game Room |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Old Style |
| Exterior Material | Wood |
| Lot Area | 11,761 sqft (0.27 acres) |
| Lot Dimensions | 266 ft deep x 178 ft wide |
| View / Lot | Suburban |
| Garage Type | Basement |
| Porch | Open Porch |
| Porch Area | 192 sqft |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 00455060000 |
|---|---|
| Street Address | 20 WILLIAMS AVE |
| City | SPRING VALLEY |
| State | NY |
| Zip | 10977-3045 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R-15 |
| Legal Subdivision | WARD-LING ESTATES |
| Legal Block | 2 |
| Legal Lot Number | 30.0 |
| Jurisdiction | ROCKLAND NY |
| Township / Civil Division | RAMAPO |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 11511 |
Source: Rockland County and Ramapo Town records, as of October 19, 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 | 20 WILLIAMS AVE, SPRING VALLEY, NY 10977-3045 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 19, 2014 · Amount on Record |
| Deed Sale | Nov 19, 2014 · Amount on Record |
| Prior Sale | May 1, 1996 · Amount on Record |
| Deed Document Number | 201431171 |
| Prior Transfer Date | Oct 17, 2003 |
| Prior Transfer Doc | 0000086832 |
| Record Updated | Oct 29, 2026 |
Source: Rockland County and Ramapo Town assessment roll, as of May 16, 2025
| Type | Name |
|---|---|
| State | New York |
| County | Rockland County |
| County Subdivision | Ramapo Town |
| Unified School District | East Ramapo Central School District (Spring Valley) (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2024 | $13,397.00 | $52,200 (-) Land $15,100 Building $37,100 | $52,200 (-) Land $15,100 Building $37,100 |
| 2023 | $52,200 Land $15,100 Building $37,100 | $52,200 Land $15,100 Building $37,100 |
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 August 19, 2025 · 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 |
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 | Not rated no burnable land within 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 private · serves 270,000 people · EPA ID NY4303673 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Mar 2023 |
| Lead | 3 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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 382 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 |
May also be available: Skywire Networks.
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