Suffolk County and Southampton Town property record for 20 Mortimer St, Westhampton Beach, NY 11978
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 3,360 sqft · built 1986 |
| Lot Size | 0.69 acres (30,056 sqft) |
| Owner | Company Name on File |
| Last Sale | $2,200,000 (Apr 2001) |
| Tax Bill | $4,357 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0905-007.00-02.00-005.006 |
| Primary APN | 0905-007.00-02.00-005.006 |
|---|---|
| Alternative APNs |
|
| Units | 6 Units |
|---|---|
| Building Area | 3,360 sqft Living Area |
| Basement Area | 3,360 sqft |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Lot Area | 30,056 sqft (0.69 acres) |
| View / Lot | Below Average |
| Garage Type | Detached |
| Garage Area | 672 sqft |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 100 sqft |
| Sewer | Connected |
|---|---|
| Water Source | Commercial |
| Street Address | 20 MORTIMER ST |
|---|---|
| City | WESTHAMPTON BEACH |
| State | NY |
| Zip | 11978-2017 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Local Zoning Code | R2 |
| Legal Description | N-SCHWARZ E-BOSSUNG S-MORTIMER ST W-FAYE & ORS |
| Legal Block | 2 |
| Legal Lot Number | 5 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | SOUTHAMPTON |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 190502 |
20 Mortimer St, a residential property, is owned by a company that bought it in April 2001.
Source: Suffolk County and Southampton Town records, as of August 11, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 1406, WESTHAMPTON BEACH, NY 11978-7406 |
| Owner Type | 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 | Apr 13, 2001 · Amount on File |
| Deed Sale | Apr 13, 2001 · Amount on File |
| Deed Book / Page | 12113 / 329 |
| Prior Transfer Date | Nov 22, 2000 |
| Prior Transfer Doc | 1209000819 |
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Southampton Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Southampton Town |
| Municipality | Westhampton Beach Village |
| Unified School District | Westhampton Beach Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $733,300 Land $703,600 Building $29,700 | $1,163,968 (-) Land $1,116,825 Building $47,143 | |
| 2024 | $4,357.00 | $1,163,968 (+10.32%) Land $1,116,825 Building $47,143 | |
| 2023 | $733,300 Land $703,600 Building $29,700 | $1,055,108 Land $1,012,374 Building $42,734 |
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 20 Mortimer St 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 23 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 23 in force |
| Nearby Flood Claims | 7 (1993–2012) |
| Claims Outside the SFHA | 5 of 7 |
| Most Recent Claim | Oct 2012 · Hurricane Sandy |
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 20 Mortimer St is low, with 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 80% of the US · above 54% of New York |
|---|---|
| Wildfire Likelihood | 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 191 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 | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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