Westchester County and Mamaroneck Town property record for 809 Old Post Rd, Mamaroneck, NY 10543
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 3,010 sqft · built 1980 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $14,675 (2025) |
| Deeds & Mortgages | Aug 2022 Line of Credit Jan 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 553203 9-20-104 |
| Primary APN | 553203 9-20-104 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 3,010 sqft Living Area |
| 1st Floor Area | 1,639 sqft |
| Basement Area | 1,371 sqft |
| Finished Basement | 1,371 sqft |
| Unfinished Basement | 1,371 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Raised Ranch |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 8,712 sqft (0.2 acres) |
| Garage Type | Basement |
| Porch | Slab |
|---|---|
| Porch Area | 150 sqft |
| Patio Area | 420 sqft |
| Shed | 1 Shed |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 664000 |
|---|---|
| Street Address | 809 OLD POST RD |
| City | MAMARONECK |
| State | NY |
| Zip | 10543-3923 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-5 |
| Legal Block | 104 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MAMARONECK |
| Census Block Group | 4 |
| Census Block | 4006 |
| Census Tract | 7200 |
Source: Westchester County and Mamaroneck 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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 809 OLD POST RD, MAMARONECK, NY 10543-3923 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Date | Document |
|---|---|
| Aug 17, 2022 | Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND |
| Jan 24, 2018 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | May 5, 2025 |
| Transfer Doc | 0000003015 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Property Address | 809 OLD POST RD, MAMARONECK, NY 10543-3923 |
| Transaction Type | Mortgage |
| Record Updated | Aug 25, 2022 |
| Title Company | TITLE365 |
| Name | Verified Name |
|---|---|
| Address | 809 OLD POST RD, MAMARONECK, NY 10543-3923 |
| Document Number | 0622293027 |
|---|---|
| Date | Aug 17, 2022 |
| Instrument | 622293027 |
| Name | THIRD FSLA OF CLEVELAND |
|---|---|
| Type | Bank |
| Address | CLEVELAND, OH 44105 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Property Address | 809 OLD POST RD, MAMARONECK, NY 10543-3923 |
| Document Number | 0580313384 |
| Instrument Date | Jan 24, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Sep 28, 2018 |
| Title Company | TITLE SOURCE |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 809 OLD POST RD MAMARONECK NY 105433923, MAMARONECK, NY 10543-3923 |
| Document Number | 0580313384 |
|---|---|
| Date | Jan 31, 2018 |
| Book Page | 058031/003384 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Jan 30, 2038 |
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 | $14,675.00 | $927,000 (+3%) Land $425,000 Building $502,000 | $927,000 (+3%) Land $425,000 Building $502,000 |
| 2024 | Homeowner's exemption | $900,000 (+13.07%) Land $425,000 Building $475,000 | $900,000 (+13.07%) Land $425,000 Building $475,000 |
| 2023 | $796,000 Land $425,000 Building $371,000 | $796,000 Land $425,000 Building $371,000 |
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 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.
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 347 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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