Westchester County and Mamaroneck Town property record for 37 Old Post Ln, Mamaroneck, NY 10543
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,834 sqft · built 1996 |
| Lot Size | 0.41 acres (17,860 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $25,520 (2026) |
| Flood Zone | Zone AE (high risk) |
| APN | 553203 9-27-35 |
| Primary APN | 553203 9-27-35 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 1 Story |
| Building Area | 2,834 sqft Living Area |
| 1st Floor Area | 1,793 sqft |
| Basement Area | 1,041 sqft |
| Finished Basement | 1,041 sqft |
| Unfinished Basement | 1,793 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1996 |
|---|---|
| Effective Year Built | Effective 1996 |
| Architectural Style | Raised Ranch |
| Exterior Material | Wood |
| Lot Area | 17,860 sqft (0.41 acres) |
| Lot Dimensions | 150 ft deep x 100 ft wide |
| Patio Area | 375 sqft |
| Shed | 1 Shed |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Septic |
| Water Source | Commercial |
| Account Number | 677300 |
|---|---|
| Street Address | 37 OLD POST LN |
| City | MAMARONECK |
| State | NY |
| Zip | 10543-3919 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-7.5 |
| Legal Block | 35 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MAMARONECK |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 7200 |
37 Old Post Ln is owned and occupied by an individual.
Source: Westchester County and Mamaroneck Town records, as of October 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 37 OLD POST LN, MAMARONECK, NY 10543-3919 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 37 Old Post Ln was $25,520 with a homeowner's exemption, up 31.1% from the year before.
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 |
|---|---|---|---|
| 2026 | $25,520.00 (+31.08%) Homeowner's exemption | ||
| 2025 | $19,469.00 | $1,230,000 (+3.02%) Land $514,000 Building $716,000 | $1,230,000 (+3.02%) Land $514,000 Building $716,000 |
| 2024 | Homeowner's exemption | $1,194,000 (+7.96%) Land $514,000 Building $680,000 | $1,194,000 (+7.96%) Land $514,000 Building $680,000 |
| 2023 | $1,106,000 Land $514,000 Building $592,000 | $1,106,000 Land $514,000 Building $592,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 37 Old Post Ln in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · 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 | 12.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 106 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 106 in force |
| Nearby Flood Claims | 172 (1978–2023) |
| Claims Outside the SFHA | 38 of 172 |
| 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.
Wildfire risk around 37 Old Post Ln is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 97.9% 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 297 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 |
May also be available: T-Mobile.
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