Westchester County and Mamaroneck Town property record for 21 Dillon Rd, Larchmont, NY 10538
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,610 sqft · built 1934 |
| Lot Size | 0.09 acres (3,920 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $470,000 (Sep 2003) |
| Tax Bill | $16,528 (2026) |
| Flood Zone | Zone X (moderate risk) |
| APN | 553289 5-5-205 |
| Primary APN | 553289 5-5-205 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 1,610 sqft Living Area |
| 1st Floor Area | 818 sqft |
| 2nd Floor Area | 792 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1934 |
|---|---|
| Effective Year Built | Effective 1934 |
| Architectural Style | Traditional |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 3,920 sqft (0.09 acres) |
| Lot Dimensions | 100 ft deep x 38 ft wide |
| Garage Type | Detached |
| Garage Area | 414 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 154 sqft |
| Patio Area | 201 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 317400 |
|---|---|
| Street Address | 21 DILLON RD |
| City | LARCHMONT |
| State | NY |
| Zip | 10538-3428 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-6 |
| Legal Block | 205 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MAMARONECK |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 7000 |
21 Dillon Rd is owned and occupied by two individuals who bought it in September 2003.
Source: Westchester County and Mamaroneck Town records, as of October 21, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21 DILLON RD, LARCHMONT, NY 10538-3428 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Sep 9, 2003 · Amount on File |
| Deed Sale | Sep 9, 2003 · Amount on File |
| Deed Document Number | 2003432250612 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 21 Dillon Rd was $16,528.
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 |
| Unified School District | Mamaroneck Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $16,528.00 | ||
| 2025 | $775,000 (+1.97%) Land $305,000 Building $470,000 | $775,000 (+1.97%) Land $305,000 Building $470,000 | |
| 2024 | $760,000 (+4.97%) Land $305,000 Building $455,000 | $760,000 (+4.97%) Land $305,000 Building $455,000 | |
| 2023 | $724,000 Land $305,000 Building $419,000 | $724,000 Land $305,000 Building $419,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21 Dillon Rd in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 26 policies |
| Nearby Flood Policies | 26 in force |
| Nearby Flood Claims | 36 (1978–2024) |
| Claims Outside the SFHA | 15 of 36 |
| Most Recent Claim | Aug 2024 · rainfall accumulation |
| 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 21 Dillon Rd 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 95% of the US · lower than 94% 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 304 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 | 2,300 / 2,300 |
| T-Mobile Fixed Wireless | 100 / 20 |
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