Suffolk County and Brookhaven Town property record for 31 Grassmere Dr, Mastic Beach, NY 11951
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.14 acres (6,098 sqft) |
| Owner | Company Name on File |
| Last Sale | $63,000 (Jan 2002) |
| Tax Bill | $2,746 (2024) |
| Deeds & Mortgages | Apr 2017 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-974.90-12.00-014.000 |
| Primary APN | 0200-974.90-12.00-014.000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 6,098 sqft (0.14 acres) |
|---|---|
| View / Lot | Waterfront |
| Account Number | 4003730 |
|---|---|
| Street Address | 31 GRASSMERE DR |
| City | MASTIC BEACH |
| State | NY |
| Zip | 11951-1912 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | MASTIC ACRES UNIT ONE |
| Legal Block | 4901 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 159515 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Individually Listed | Floyd, William, House listed 1980 · 11 contributing resources · NRIS 71000066 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
31 Grassmere Dr is owned by a company that bought it in January 2002.
Source: Suffolk County and Brookhaven Town records, as of August 11, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 4 WATER ST, 2A, BROOKLYN, NY 11201-1311 |
| Owner Type | Company |
| Vesting | Company |
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 | Name on Deed |
|---|---|
| Last Sale | Jan 10, 2002 · Amount on File |
| Deed Sale | Jan 10, 2002 · Amount on File |
| Deed Book / Page | 12162 / 925 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Apr 10, 2017 |
| Property Address | 31 GRASSMERE DR, MASTIC BEACH, NY 11951-1912 |
| Document Number | 0129070836 |
| Book / Page | 012907 / 000836 |
| Instrument Date | Mar 20, 2017 |
| Transaction Type | Transfer |
| Record Updated | Nov 27, 2019 |
| Title Company | MKM ABSTRACT SERVICES INC |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 4 WATER ST #2A BROOKLYN NY 112011311, 2A, BROOKLYN, NY 11201-1311 |
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 | $600 Land $100 Building $500 | $125,000 Land $18,868 Building $94,340 | |
| 2024 | $2,746.00 | ||
| 2023 | $600 Land $100 Building $500 | $1,111 Land $185 Building $926 |
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 31 Grassmere Dr in Zone X, an area of minimal flood risk, though there have been 17 flood claims nearby since 2011.
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 |
| Flood Insurance Cost | Premium on File median of 58 policies |
| Nearby Flood Policies | 58 in force |
| Nearby Flood Claims | 17 (2011–2024) |
| Claims Outside the SFHA | 1 of 17 |
| Most Recent Claim | Dec 2024 |
| 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 31 Grassmere Dr is low, with a 0.02% 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 | 0.02% 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 288 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
5G (outdoors only) and 4G LTE
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