Westchester County and Rye Town property record for 650 Halstead Ave, Mamaroneck, NY 10543
| Property Type | Office Building |
|---|---|
| Details | 16,600 sqft · built 1961 |
| Lot Size | 0.547 acres (23,841 sqft) |
| Owner | Company Name on File |
| Last Sale | $500,000 (Jan 2000) |
| Tax Bill | $57,577 (2026) |
| Deeds & Mortgages | Sep 2017 Mortgage Aug 2017 Loan Modification |
| Flood Zone | Zone X (minimal risk) |
| APN | 554803 154.34-2-27 |
| Primary APN | 554803 154.34-2-27 |
|---|---|
| Alternative APNs |
|
| Units | 13 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 16,600 sqft Gross Area |
| Basement Area | 9,950 sqft |
| Unfinished Basement | 9,950 sqft |
| Fire Sprinklers | Fire Sprinklers |
| Elevator | Elevator |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1981 |
| Lot Area | 23,841 sqft (0.547 acres) |
| Porch | Slab |
| Cooling System | Central |
|---|---|
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 00005867000 |
|---|---|
| Street Address | 650 HALSTEAD AVE |
| City | MAMARONECK |
| State | NY |
| Zip | 10543-2742 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Local Zoning Code | C-1 COMM |
| Legal Block | 2 |
| Legal Lot Number | 27.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | RYE |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 7401 |
650 Halstead Ave, a commercial property, is owned by a company that bought it in January 2000.
Source: Westchester County and Rye Town records, as of October 21, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 819, HARRISON, NY 10528-0819 |
| Owner Type | Company |
| Vesting | Company |
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 6, 2017 | Deed of Trust, Mortgage · Commercial Mortgage TD BANK NA |
| Aug 31, 2017 | Loan Modification, Mortgage TD BK NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 24, 2000 · Amount on File |
| Deed Sale | Jan 24, 2000 · Amount on File |
| Deed Document Number | 2000993610154 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Property Address | 650 HALSTEAD AVE, MAMARONECK, NY 10543-2742 |
| Transaction Type | Mortgage |
| Record Updated | Feb 7, 2021 |
| Title Company | BENCHMARK TITLE AGENCY |
| Name | Verified Name |
|---|
| Document Number | 0572483320 |
|---|---|
| Date | Sep 6, 2017 |
| Instrument | 572483320 |
| Name | TD BANK NA |
|---|---|
| Type | Bank |
| Address | WEST HARRISON, NY 10604 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Property Address | 650 HALSTEAD AVE, MAMARONECK, NY 10543-2742 |
| Document Number | 0572483386 |
| Instrument Date | Aug 31, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jan 10, 2019 |
| Title Company | BENCHMARK TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 650 HALSTEAD AVE MAMARONECK NY 105432742, MAMARONECK, NY 10543-2742 |
| Document Number | 0572483386 |
|---|---|
| Date | Sep 6, 2017 |
| Book Page | 057248/003386 |
| Name | TD BK NA |
|---|---|
| Type | Bank |
| Address | WEST HARRISON, NY 10604 |
| Amount | Amount on Record |
|---|
The 2026 property tax bill for 650 Halstead Ave was $57,577, up 47.4% from the year before.
Source: Westchester County and Rye Town assessment roll, as of May 14, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| County Subdivision | Rye Town |
| Municipality | Mamaroneck Village |
| Unified School District | Rye Neck Union Free School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $57,577.00 (+47.38%) | ||
| 2025 | $39,067.00 | $2,185,000 (-) Land $946,800 Building $1,238,200 | $2,185,000 (-) Land $946,800 Building $1,238,200 |
| 2024 | $2,185,000 (-5%) Land $946,800 Building $1,238,200 | $2,185,000 (-5%) Land $946,800 Building $1,238,200 | |
| 2023 | $2,300,000 Land $946,800 Building $1,353,200 | $2,300,000 Land $946,800 Building $1,353,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 650 Halstead Ave in Zone X, an area of minimal flood risk, though there have been 41 flood claims nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · 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 |
| Flood Insurance Cost | Premium on File median of 17 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 17 in force |
| Nearby Flood Claims | 41 (1978–2023) |
| Claims Outside the SFHA | 30 of 41 |
| Most Recent Claim | Sep 2023 · Severe Storm And Flooding |
| 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.
The area around 650 Halstead Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 | WESTCHESTER JOINT WATER WORKS serves 59,629 people · EPA ID NY5903435 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Mar 2025 |
| Lead | 3 ppb (2026–2028) action level 15 ppb |
| Water Quality | Failure to filter currently in violation since Jun 1993 Haloacetic acids resolved · Jul 2019 |
|---|---|
| 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 673 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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