Suffolk County and Brookhaven Town property record for 159 Riverside Ave, Mastic Beach, NY 11951
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.33 acres (14,375 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $380,000 (Feb 2025) |
| Tax Bill | $6,143 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-939.00-07.00-009.000 |
| Primary APN | 0200-939.00-07.00-009.000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 14,375 sqft (0.33 acres) |
|---|---|
| View / Lot | Canal Front |
| Account Number | 4102400 |
|---|---|
| Street Address | 159 RIVERSIDE AVE |
| City | MASTIC BEACH |
| State | NY |
| Zip | 11951-1123 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | MAP MASTIC ACRES UNIT SIX |
| Legal Block | 9000 |
| Legal Lot Number | 700 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 159512 |
159 Riverside Ave is owned by two individuals who bought it in February 2025.
Source: Suffolk County and Brookhaven Town records, as of August 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 191 WASHINGTON DR, MASTIC BEACH, NY 11951-3118 |
| Owner Type | Individual |
| Vesting | Married Couple |
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 | Feb 11, 2025 · Amount on File |
| Deed Sale | Feb 11, 2025 · Amount on File |
| Deed Book / Page | 13283 / 565 |
| Prior Transfer Date | Jul 24, 1995 |
| 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 | $1,500 Land $150 Building $1,350 | $312,500 Land $28,302 Building $254,717 | |
| 2024 | $6,143.00 | ||
| 2023 | $1,500 Land $150 Building $1,350 | $2,778 Land $278 Building $2,500 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 159 Riverside Ave in Zone X, an area of minimal flood risk, within 500 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 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 File median of 30 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 30 in force |
| Nearby Flood Claims | 52 (1978–2024) |
| Claims Outside the SFHA | 5 of 52 |
| Most Recent Claim | Jan 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 159 Riverside Ave 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 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 345 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
May also be available: T-Mobile, Verizon.
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