Westchester County and Mamaroneck Town property record for 621 Baldwin Pl, Mamaroneck, NY 10543
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,214 sqft · built 1940 |
| Lot Size | 0.09 acres (3,920 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $435,000 (Jan 2016) |
| Tax Bill | $9,376 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 553203 8-1-498 |
| Primary APN | 553203 8-1-498 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,214 sqft Living Area |
| 1st Floor Area | 899 sqft |
| Upper Floors Area | 315 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | Cape Cod |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 3,920 sqft (0.09 acres) |
| Lot Dimensions | 75 ft deep x 50 ft wide |
| Garage Type | Basement |
| Patio Area | 168 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 501100 |
|---|---|
| Street Address | 621 BALDWIN PL |
| City | MAMARONECK |
| State | NY |
| Zip | 10543-2106 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-7.5 |
| Legal Block | 498 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MAMARONECK |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 7300 |
Source: Westchester County and Mamaroneck Town assessment roll, 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 621 BALDWIN PL, MAMARONECK, NY 10543-2106 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 28, 2016 · Amount on Record |
| Deed Sale | Jan 28, 2016 · Amount on Record |
| Deed Document Number | 2016560153171 |
| Record Updated | Jun 8, 2026 |
Source: Westchester County and Mamaroneck Town assessment roll, as of May 14, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| County Subdivision | Mamaroneck Town |
| Municipality | Mamaroneck Village |
| Unified School District | Mamaroneck Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $9,376.00 | $587,000 (+2.09%) Land $281,000 Building $306,000 | $587,000 (+2.09%) Land $281,000 Building $306,000 |
| 2024 | $575,000 (+7.08%) Land $281,000 Building $294,000 | $575,000 (+7.08%) Land $281,000 Building $294,000 | |
| 2023 | $537,000 Land $281,000 Building $256,000 | $537,000 Land $281,000 Building $256,000 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 148 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 148 in force |
| Nearby Flood Claims | 593 (1978–2024) |
| Claims Outside the SFHA | 30 of 593 |
| Most Recent Claim | Apr 2024 · tidal / storm surge |
| 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 |
|---|
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 390 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Communications Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
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