Nassau County and Hempstead Town property record for 521 Summit Ave, Baldwin, NY 11510
| Property Type | Duplex |
|---|---|
| Details | 3 ba · 2,089 sqft · built 1973 |
| Lot Size | 0.138 acres (6,028 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $15,112 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 54-182-00-0193 |
| Primary APN | 54-182-00-0193 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Total Rooms | 6 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,089 sqft Living Area |
| Gross Area | 2,345 sqft |
| 1st Floor Area | 877 sqft |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1973 |
| Architectural Style | Raised Ranch |
| Exterior Material | Composition/Composite |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 6,028 sqft (0.138 acres) |
| Lot Dimensions | 125 ft deep x 47 ft wide |
| Garage Type | Attached |
| Garage Area | 256 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Frame Porch |
|---|---|
| Porch Area | 28 sqft |
| Deck Area | 246 sqft |
| Patio Area | 246 sqft |
| Balcony Area | 79 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 54182 01930 |
|---|---|
| Street Address | 521 SUMMIT AVE |
| City | BALDWIN |
| State | NY |
| Zip | 11510-3725 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | TOWN #1 SCH DIST 011 |
| Legal Block | 182 |
| Legal Lot Number | 193 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | HEMPSTEAD |
| Census Block Group | 4 |
| Census Block | 4014 |
| Census Tract | 413100 |
Source: Nassau County and Hempstead Town records · APN 54-182-00-0193
Assessment roll updated June 17, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 521 SUMMIT AVE, BALDWIN, NY 11510-3725 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 18, 2013 |
| Deed Sale | Nov 18, 2013 |
| Prior Sale | Nov 20, 2003 · Amount on Record |
| Deed Document Number | 2013172 |
| Deed Book / Page | 13015 / 525 |
| Record Updated | Sep 20, 2026 |
Source: Nassau County and Hempstead Town records · Assessment roll updated June 17, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | New York |
| County | Nassau County |
| County Subdivision | Hempstead Town |
| Unified School District | Oceanside Union Free School District (KG - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $584 (-) Land $204 Building $380 | $584,000 (-) | |
| 2025 | $15,112.00 (+11.64%) | ||
| 2023 | $13,536.00 Homeowner's exemption | $584 Land $204 Building $380 | $584,000 |
Source: FEMA National Flood Hazard Layer as of April 5, 2023 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 1 (2023) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2023 · Severe Storm And Flooding |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Communications Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 2,300 / 2,300 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 828 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | LIBERTY UTILITIES NEW YORK - LYNBROOK private · serves 220,000 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2023 |
| Lead | 5 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Corrosion control Jul 2025 |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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