Nassau County and Hempstead Town property record for 640 Warren St, Baldwin, NY 11510
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,068 sqft · built 1920 |
| Lot Size | 0.06 acres (2,600 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $440,000 (Jun 2025) |
| Tax Bill | $9,190 (2025) |
| Deeds & Mortgages | Jun 2025 Sale & Mortgage Mar 2021 Sale + 1 more |
| Flood Zone | Zone AE (high risk) |
| APN | 54-435-00-0054 |
| Primary APN | 54-435-00-0054 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,068 sqft Living Area |
| 1st Floor Area | 308 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Old Style |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 2,600 sqft (0.06 acres) |
| Lot Dimensions | 65 ft deep x 20 ft wide |
| View / Lot | Canal Front |
| Porch | Open Frame Porch |
| Porch Area | 12 sqft |
| Deck Area | 468 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 54435 00540 |
|---|---|
| Street Address | 640 WARREN ST |
| City | BALDWIN |
| State | NY |
| Zip | 11510-4332 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN #1 SCH DIST 010 |
| Legal Subdivision | MAP OF PROPERTY OF THE SOUTHARD ESTATE |
| Legal Block | 435 |
| Legal Lot Number | 54 |
| Jurisdiction | NASSAU NY |
| Township / Civil Division | HEMPSTEAD |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 413803 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 211 CMGUINESS BLVD # 512, 512, BROOKLYN, NY 11222 |
| Owner Type | Individual |
| Vesting | Individual(s) |
| Date | Document |
|---|---|
| Jun 26, 2025 | Bargain and Sale Deed, Transfer · Conventional Mortgage CONTOUR MORTGAGE CORP |
| Mar 15, 2021 | Bargain and Sale Deed, Transfer FIRST AMERICAN TITLE |
| Nov 18, 2019 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 26, 2025 · Amount on Record |
| Deed Sale | Jun 26, 2025 · Amount on Record |
| Prior Sale | Feb 13, 2025 · Amount on Record |
| Deed Document Number | 202539919 |
| Deed Book / Page | D14637 / 585 |
| Prior Transfer Date | Oct 30, 2019 |
| Prior Transfer Doc | 0138760692 |
| Record Updated | Oct 29, 2026 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Jun 26, 2025 |
| Property Address | 640 WARREN ST, BALDWIN, NY 11510-4332 |
| Document Number | D146370585 |
| Book / Page | D14637 / 585 |
| Map Reference | MAP 521 CASE 3234 |
| Instrument Date | Apr 25, 2025 |
| Instrument | 2025-39919 |
| Transaction Type | Transfer |
| Record Updated | May 18, 2026 |
| Title Company | FIRST AMER TITLE INS COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,760.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 895 S LONG BEACH AVE, FREEPORT, NY 11520-6304 |
| Name | Verified Name |
|---|---|
| Address | 211 CMGUINESS BLVD #512 # 512, 512, BROOKLYN, NY 11222 |
| Document Number | 0202539920 |
|---|---|
| Date | Jun 26, 2025 |
| Instrument | 2025-39920 |
| Name | CONTOUR MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | May 1, 2055 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Mar 15, 2021 |
| Property Address | 640 WARREN ST, BALDWIN, NY 11510-4332 |
| Document Number | 0140510706 |
| Book / Page | 14051 / 706 |
| Map Reference | MAP521CASE3234&3236 |
| Instrument Date | Mar 2, 2021 |
| Instrument | 2021-032600 |
| Transaction Type | Transfer |
| Record Updated | May 14, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $1,160.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 895 S LONG BEACH AVE, FREEPORT, NY 11520-6304 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | NASSAU NY |
| Recording Date | Nov 18, 2019 |
| Property Address | 640 WARREN ST, BALDWIN, NY 11510-4332 |
| Document Number | 0138760692 |
| Book / Page | 013876 / 000692 |
| Instrument Date | Oct 30, 2019 |
| Instrument | 101069 |
| Transaction Type | Transfer |
| Record Updated | Dec 2, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 640 WARREN ST BALDWIN NY 115104332, BALDWIN, NY 11510-4332 |
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 |
| Unified School District | Baldwin Union Free School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $322 (+4.21%) Land $116 Building $206 | $322,000 (-) | |
| 2025 | $9,190.00 (-6.82%) | $309 (+0.98%) Land $116 Building $193 | $322,000 (+5.23%) |
| 2023 | $9,863.00 Additional exemption filed | $306 Land $116 Building $190 | $306,000 |
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.
Source: FEMA National Flood Hazard Layer, effective April 5, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 8.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 204 policies |
| Nearby Flood Policies | 204 in force |
| Nearby Flood Claims | 416 (1978–2024) |
| Claims Outside the SFHA | 106 of 416 |
| Most Recent Claim | Jan 2024 |
| Claims by Event |
|
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 | LIBERTY UTILITIES NEW YORK - LYNBROOK private · serves 220,000 people · EPA ID NY2902835 |
|---|---|
| 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, 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 650 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures