Westchester County and Rye Town property record for 735 E Boston Post Rd, Mamaroneck, NY 10543
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 2 ba · 1,759 sqft · built 1933 |
| Lot Size | 0.153 acres (6,643 sqft) |
| Owner | Company Name on Record |
| Last Sale | $412,500 (Aug 2009) |
| Tax Bill | $10,415 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 554803 154.51-1-55 |
| Primary APN | 554803 154.51-1-55 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 1,759 sqft Gross Area |
| 1st Floor Area | 1,050 sqft |
| Attic | Attic |
| Attic Area | 408 sqft |
| Basement Area | 1,085 sqft |
| Finished Basement | 1,085 sqft |
| Unfinished Basement | 900 sqft |
| Game Room | Game Room |
| Year Built | Built 1933 |
|---|---|
| Effective Year Built | Effective 1982 |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 6,643 sqft (0.153 acres) |
| Lot Dimensions | 142 ft deep x 47 ft wide |
| Porch | Covered Porch |
| Porch Area | 70 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 00006886000 |
|---|---|
| Street Address | 735 E BOSTON POST RD |
| City | MAMARONECK |
| State | NY |
| Zip | 10543-4106 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Local Zoning Code | 5COMMUND |
| Legal Subdivision | LOTS THEO VAN AMRINGE |
| Legal Block | 1 |
| Legal Lot Number | 55.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | RYE |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 7402 |
Source: Westchester County and Rye Town records, as of May 14, 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 | 735 E BOSTON POST RD, MAMARONECK, NY 10543-4106 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 28, 2009 · Amount on Record |
| Deed Sale | Aug 28, 2009 · Amount on Record |
| Deed Document Number | 2009492250346 |
| Prior Transfer Date | Aug 20, 2003 |
| Prior Transfer Doc | 0041111139 |
| Record Updated | Jun 8, 2026 |
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 |
|---|---|---|---|
| 2025 | $10,415.00 | $582,500 (-) Land $341,300 Building $241,200 | $582,500 (-) Land $341,300 Building $241,200 |
| 2024 | $582,500 (-) Land $341,300 Building $241,200 | $582,500 (-) Land $341,300 Building $241,200 | |
| 2023 | $582,500 Land $341,300 Building $241,200 | $582,500 Land $341,300 Building $241,200 |
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 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 Record median of 49 individual policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 88 units insured incl. 39 condo units |
| Nearby Flood Claims | 219 (1978–2023) |
| Claims Outside the SFHA | 154 of 219 |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% 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 | 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 334 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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