366 Main St, Mastic Beach, NY 11951 Property Records

Suffolk County and Brookhaven Town property record for 366 Main St, Mastic Beach, NY 11951

Property Summary

Property TypeCommercial Vacant Land
Lot Size0.18 acres (7,841 sqft)
OwnerCompany Name on File
Tax Bill$1,572 (2024)
Flood ZoneZone X (minimal risk)
APN0200-980.50-08.00-044.000

Property Details

APN / Parcel Number

Primary APN0200-980.50-08.00-044.000
Alternative APNs
  • 472289 980.50-08-044.000
  • 0209025000100044000
  • 00004400590
  • 4400590

Exterior

Lot Area7,841 sqft (0.18 acres)
View / LotWaterfront

Location & Zoning

Account Number4400590
Street Address366 MAIN ST
CityMASTIC BEACH
StateNY
Zip11951-3410
Property CategoryCommercial
Property TypeVacant Land > Commercial
Legal Block500
Legal Lot Number800
JurisdictionSUFFOLK NY
Township / Civil DivisionBROOKHAVEN
Census Block Group3
Census Block3010
Census Tract159509

Owner

366 Main St, commercial vacant land, is owned by a company that acquired it in September 2015.

Source: Suffolk County and Brookhaven Town records, as of September 1, 2026

Owner of RecordCompany Name on File
Mailing Address300 CENTER DR, RIVERHEAD, NY 11901-3393
Owner TypeCompany

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateSep 23, 2015
Transfer Doc0128330785
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Suffolk County and Brookhaven Town assessment roll, as of August 11, 2026

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionBrookhaven Town
Unified School DistrictWilliam Floyd Union Free School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$400 Land $400$75,472 Land $75,472
2024$1,572.00
2023$400 Land $400$741 Land $741

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 366 Main St in Zone X, an area of minimal flood risk, though there have been 50 flood claims nearby since 1989.

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 in force
Nearby Flood Claims50 (1989–2018)
Claims Outside the SFHA9 of 50
Most Recent ClaimJul 2018 · other causes
Claims by Event
  • Hurricane Sandy, Oct 2012 · 16 claims
  • Severe Storms And Flooding, Mar 2010 · 7 claims
  • Hurricane Bob, Aug 1991 · 2 claims

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

The area around 366 Main St has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemSUFFOLK COUNTY WATER AUTHORITY
serves 1,100,000 people · EPA ID NY5110526
Water SourceGroundwater
Last State InspectionJan 2024
Lead1 ppb (2025–2027)
action level 15 ppb

Violations Reported to EPA

Water QualityAsbestos
resolved · Jul 2020
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 565 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000

May also be available: T-Mobile, Verizon.

Nearby Properties on Main St

Nearby Streets

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