Suffolk County and Brookhaven Town property record for 11 Tonopan St, Mastic, NY 11950
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,166 sqft · built 1978 |
| Lot Size | 0.37 acres (16,117 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $3,564 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-908.00-04.00-001.001 |
| Primary APN | 0200-908.00-04.00-001.001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,166 sqft Living Area |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Lot Area | 16,117 sqft (0.37 acres) |
| View / Lot | Waterfront |
| Heating System | Radiant |
|---|
| Account Number | 4012593 |
|---|---|
| Street Address | 11 TONOPAN ST |
| City | MASTIC |
| State | NY |
| Zip | 11950-4607 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MASTIC ACRES 1443 UNIT 3 1671 S 1/2 |
| Legal Subdivision | MASTIC ACRES |
| Legal Block | 8000 |
| Legal Lot Number | 400 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 159511 |
Source: Suffolk County and Brookhaven Town records, as of August 11, 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 | 11 TONOPAN ST, MASTIC, NY 11950-4607 |
| Owner Type | Company |
| Vesting | Trust, Irrevocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Feb 25, 2025 |
| Transfer Doc | 0132920868 |
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Brookhaven Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Brookhaven Town |
| Unified School District | William Floyd Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,900 (-) Land $200 Building $1,700 | $395,834 (+11,151.68%) Land $37,736 Building $320,755 | |
| 2024 | $3,564.00 | ||
| 2023 | $1,900 Land $200 Building $1,700 | $3,518 Land $370 Building $3,148 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
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 97% of the US · lower than 96% 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 | SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2024 |
| Lead | 1 ppb (2025–2027) action level 15 ppb |
| Water Quality | Asbestos resolved · Jul 2020 |
|---|---|
| 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 466 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fixed Wireless · Fiber in parts of the area | 300 / 20 |
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