Suffolk County and Brookhaven Town property record for 21 Dover Pl, Mastic, NY 11950 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,008 sqft · built 1975 |
| Lot Size | 0.12 acres (5,227 sqft) |
| Owner | Individual Name on File |
| Last Sale | $153,700 (Nov 2016) |
| Tax Bill | $7,678 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-786.00-05.00-012.001 |
| Primary APN | 0200-786.00-05.00-012.001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,008 sqft Living Area |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Brick |
| Lot Area | 5,227 sqft (0.12 acres) |
| View / Lot | Waterfront |
| Heating System | Radiant |
|---|
| Account Number | 4618814 |
|---|---|
| Street Address | 21 DOVER PL |
| City | MASTIC |
| State | NY |
| Zip | 11950-2219 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MASTIC PK 803 11 SPT E1013162&ALL |
| Legal Subdivision | MASTIC PARK |
| Legal Block | 6000 |
| Legal Lot Number | 500 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 159416 |
Source: Suffolk County and Brookhaven Town records · APN 0200-786.00-05.00-012.001
Assessment roll updated August 11, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 21 DOVER PL, MASTIC, NY 11950-2219 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 07, 2016 · Amount on Record |
| Deed Sale | Nov 07, 2016 · Amount on Record |
| Prior Sale | Mar 29, 2016 · Amount on Record |
| Deed Book / Page | D00012887 / 137 |
| Prior Transfer Date | May 28, 2003 |
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Brookhaven Town records · Assessment roll updated August 11, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Brookhaven Town |
| Unified School District | William Floyd Union Free School District (PK - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,900 (-) Land $100 Building $1,800 | $395,833 (+11,151.65%) Land $18,868 Building $339,623 | |
| 2024 | $7,678.00 | ||
| 2023 | $1,900 Land $100 Building $1,800 | $3,518 Land $185 Building $3,333 |
Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 242 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Optimum Communications | Fiber | 8,000 / 8,000 |
| Optimum Communications | Cable | 940 / 35 |
| Verizon | Fixed Wireless | 300 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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