Nassau County and North Hempstead Town property record for 12 Walnut St, Greenvale, NY 11548
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,834 sqft · built 1950 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $245,000 (Sep 2019) |
| Tax Bill | $12,583 (2025) |
| Deeds & Mortgages | Sep 2019 Sale Feb 2019 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 20-J06-00-0307 |
| Primary APN | 20-J06-00-0307 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 1,834 sqft Living Area |
| Gross Area | 1,986 sqft |
| 1st Floor Area | 841 sqft |
| Basement Area | 152 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Colonial |
| Exterior Material | Brick/Stone |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Material | Other |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 20 J0603070 |
|---|---|
| Street Address | 12 WALNUT ST |
| City | GREENVALE |
| State | NY |
| Zip | 11548-1117 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #2 SCH DIST 003 |
| Legal Block | J06 |
| Legal Lot Number | 307 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | NORTH HEMPSTEAD |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 302101 |
12 Walnut St is held in a trust since May 2025.
Source: Nassau County and North Hempstead Town records, as of June 17, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 100 BIRCH DR, ROSLYN, NY 11576-2307 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
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 |
|---|---|
| Sep 27, 2019 | Grant Deed, Transfer NOT AVAILABLE |
| Feb 27, 2019 | Trustee's Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 27, 2019 · Amount on File |
| Deed Sale | Sep 27, 2019 · Amount on File |
| Prior Sale | Feb 27, 2019 · Amount on File |
| Deed Document Number | 201983624 |
| Deed Book / Page | 13856 / 637 |
| Last Transfer Date | May 21, 2025 |
| Transfer Doc | D146320779 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Sep 27, 2019 |
| Property Address | 12 WALNUT ST, GREENVALE, NY 11548-1117 |
| Document Number | 0138560637 |
| Book / Page | 013856 / 000637 |
| Instrument Date | Aug 7, 2019 |
| Instrument | 83624 |
| Transaction Type | Transfer |
| Record Updated | Oct 28, 2019 |
| Title Company | NOT AVAILABLE |
| Amount | Amount on Record |
|---|---|
| Tax | $980.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 100 BIRCH DR ROSLYN NY 115762307, ROSLYN, NY 11576-2307 |
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Feb 27, 2019 |
| Property Address | 12 WALNUT ST, GREENVALE, NY 11548-1117 |
| Document Number | 0137720665 |
| Book / Page | 013772 / 000665 |
| Instrument Date | Feb 8, 2019 |
| Instrument | 17851 |
| Transaction Type | Transfer |
| Record Updated | Mar 11, 2019 |
| Amount | Amount on Record |
|---|---|
| Tax | $1,960.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 347 JERICHO TPKE SYOSSET NY 117914506, SYOSSET, NY 11791-4506 |
The 2025 property tax bill for 12 Walnut St was $12,583.
Source: Nassau County and North Hempstead Town assessment roll, as of June 17, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | North Hempstead Town |
| Unified School District | Roslyn Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $550 (+3.19%) Land $197 Building $353 | $550,000 (+3.19%) | |
| 2025 | $12,583.00 | $533 Land $191 Building $342 | $533,000 |
| 2023 | $12,802.00 Additional exemption filed | $550 Land $197 Building $353 | $550,000 |
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.
FEMA maps place 12 Walnut St in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 2010.
Source: FEMA National Flood Hazard Layer, effective April 5, 2023 · 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 | 5 in force |
| Nearby Flood Claims | 3 (2010–2025) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | May 2025 |
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 Walnut St 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 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 | ROSLYN WD public/private · serves 17,000 people · EPA ID NY2902851 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2025 |
| Lead | Under 1 ppb (2021–2023) 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 352 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 | 980 / 880 |
| T-Mobile Fixed Wireless | 100 / 20 |
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