Suffolk County and Brookhaven Town property record for 46 Riverside Ave, Mastic Beach, NY 11951
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.32 acres (13,939 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $13,000 (May 2015) |
| Tax Bill | $6,814 (2024) |
| Deeds & Mortgages | May 2022 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-940.00-06.00-018.000 |
| Primary APN | 0200-940.00-06.00-018.000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 13,939 sqft (0.32 acres) |
|---|---|
| View / Lot | Waterfront |
| Account Number | 4106910 |
|---|---|
| Street Address | 46 RIVERSIDE AVE |
| City | MASTIC BEACH |
| State | NY |
| Zip | 11951-1110 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | MASTIC ACRES |
| Legal Block | 6 |
| Legal Lot Number | 600 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 159512 |
46 Riverside Ave is owned and occupied by two individuals who bought it in May 2015.
Source: Suffolk County and Brookhaven Town records, as of August 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 46 RIVERSIDE AVE, MASTIC BEACH, NY 11951-1110 |
| 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 | May 29, 2015 · Amount on File |
| Deed Sale | May 29, 2015 · Amount on File |
| Deed Book / Page | 12818 / 582 |
| Prior Transfer Date | Oct 22, 2009 |
| Prior Transfer Doc | 0126120508 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 46 RIVERSIDE AVE, MASTIC BEACH, NY 11951-1110 |
| Transaction Type | Mortgage |
| Record Updated | Oct 10, 2023 |
| Name | Verified Name |
|---|---|
| Investor | Possibly a Property Investor |
| Document Number | 0234120266 |
|---|---|
| Date | May 1, 2022 |
| Book Page | 23412/266 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 169 Months |
| Due | Jun 1, 2036 |
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 | $1,675 Land $200 Building $1,475 | $348,959 Land $37,736 Building $278,302 | |
| 2024 | $6,814.00 | ||
| 2023 | $1,675 Land $200 Building $1,475 | $3,101 Land $370 Building $2,731 |
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 46 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 46 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 376 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
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