Westchester County and Rye Town property record for 903 Stuart Ave, Mamaroneck, NY 10543
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 3,669 sqft · built 1897 |
| Lot Size | 0.554 acres (24,143 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $46,424 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 554803 154.52-1-6 |
| Primary APN | 554803 154.52-1-6 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 3,669 sqft Living Area |
| 1st Floor Area | 1,536 sqft |
| 2nd Floor Area | 1,242 sqft |
| Upper Floors Area | 891 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1897 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Colonial |
| Exterior Material | Wood |
| Lot Area | 24,143 sqft (0.554 acres) |
| Lot Dimensions | 261 ft deep x 100 ft wide |
| View / Lot | Waterfront / Beach |
| Garage Type | Basement |
| Pool Area | 540 sqft |
|---|---|
| Porch | Slab |
| Porch Area | 400 sqft |
| Patio Area | 500 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 00007133000 |
|---|---|
| Street Address | 903 STUART AVE |
| City | MAMARONECK |
| State | NY |
| Zip | 10543-4124 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 02 - SINGL |
| Legal Block | 1 |
| Legal Lot Number | 6.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | RYE |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 7402 |
Source: Westchester County and Rye Town records, as of October 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 55 CENTRAL PARK W, 13, NEW YORK, NY 10023-6076 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 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 |
|---|---|---|---|
| 2026 | $46,424.00 (+37.25%) | ||
| 2025 | $33,825.00 | $2,005,400 (+6%) Land $1,042,400 Building $963,000 | $2,005,400 (+6%) Land $1,042,400 Building $963,000 |
| 2024 | $1,891,800 (+3%) Land $1,042,400 Building $849,400 | $1,891,800 (+3%) Land $1,042,400 Building $849,400 | |
| 2023 | $1,836,700 Land $992,700 Building $844,000 | $1,836,700 Land $992,700 Building $844,000 |
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 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File 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 98% of the US · lower than 97.9% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 499 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures