Nassau County and Hempstead Town property record for 21 Sealey Ave, Hempstead, NY 11550
| Property Type | Religious, Church, Worship (Synagogue, Temple, Parsonage) |
|---|---|
| Details | 7,800 sqft |
| Lot Size | 0.181 acres (7,875 sqft) |
| Owner | Company Name on Record |
| Flood Zone | Zone X (minimal risk) |
| APN | 34-177-00-0012 |
| Primary APN | 34-177-00-0012 |
|---|---|
| Alternative APNs |
|
| Building Area | 7,800 sqft Total Area |
|---|
| Lot Area | 7,875 sqft (0.181 acres) |
|---|---|
| Lot Dimensions | 15 ft deep x 5.2 ft wide |
| View / Lot | Neighborhood / Spot |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Account Number | 34177 00120 |
|---|---|
| Street Address | 21 SEALEY AVE |
| City | HEMPSTEAD |
| State | NY |
| Zip | 11550 |
| Property Category | Other |
| Property Type | Other > Religious, Church, Worship (Synagogue, Temple, Parsonage) |
| Legal Description | TOWN #1 SCH DIST 001 |
| Legal Block | 177 |
| Legal Lot Number | 12 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | HEMPSTEAD |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 406702 |
Source: Nassau County and Hempstead Town records, as of June 17, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 120 W 14TH ST, NEW YORK, NY 10011-0604 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Nassau County and Hempstead Town assessment roll, as of June 17, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | Hempstead Town |
| Municipality | Hempstead Village |
| Unified School District | Hempstead Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $2,287 (-) Land $2,045 Building $242 | $228,700 (-) | |
| 2023 | Additional exemption filed | $2,287 Land $2,045 Building $242 | $228,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective April 5, 2023
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 | HEMPSTEAD (V) serves 56,000 people · EPA ID NY2902827 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2025 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 469 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: T-Mobile.
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