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451 Main St, Mastic Beach, NY 11951 Property Records

Suffolk County and Brookhaven Town property record for 451 Main St, Mastic Beach, NY 11951

Property Summary

Property TypeCommercial Vacant Land
Lot Size0.24 acres (10,454 sqft)
OwnerCompany Name on File
Last Sale$930,000 (Mar 2024)
Tax Bill$983 (2024)
Deeds & MortgagesMar 2024 Sale & Mortgage
Dec 2017 Sale
Flood ZoneZone X (minimal risk)
APN0200-980.40-09.00-029.000

Property Details

APN / Parcel Number

Primary APN0200-980.40-09.00-029.000
Alternative APNs
  • 472289 980.40-09-029.000
  • 0209024000200029000
  • 00003818180
  • 3818180

Exterior

Lot Area10,454 sqft (0.24 acres)
View / LotLake Front

Location & Zoning

Account Number3818180
Street Address451 MAIN ST
CityMASTIC BEACH
StateNY
Zip11951-3413
Property CategoryCommercial
Property TypeVacant Land > Commercial
Legal Block400
Legal Lot Number900
JurisdictionSUFFOLK NY
Township / Civil DivisionBROOKHAVEN
Census Block Group2
Census Block2028
Census Tract159518

Owner

451 Main St, commercial vacant land, is owned by a company that bought it in March 2024.

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

Owner of RecordCompany Name on File
Mailing Address130 W MAIN ST, EAST ISLIP, NY 11730-2321
Owner TypeCompany
VestingLimited Liability Company

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

DateDocument
Mar 12, 2024Deed, Transfer · Stand-Alone First Mortgage
SMITHPOINT COBRA LLC
Dec 30, 2017Grant Deed, Transfer
BRIGHTWATERS ABSTRACT

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 12, 2024 · Amount on File
Deed SaleMar 12, 2024 · Amount on File
Deed Book / Page13239 / 748
Record UpdatedSep 20, 2026

March 2024: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateMar 12, 2024
Property Address451 MAIN ST, MASTIC BEACH, NY 11951-3413
Document Number0132390748
Book / Page13239 / 748
Instrument DateMay 22, 2023
Transaction TypeTransfer
Record UpdatedApr 16, 2024
Title CompanyNOT AVAILABLE, WESTCORE TITLE

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address130 W MAIN ST, EAST ISLIP, NY 11730-2321

Mortgage

Document Number0023572988
DateMar 12, 2024
Instrument23572/988
Lender
NameSMITHPOINT COBRA LLC
Agreement
TypeStand-Alone First Mortgage
AmountAmount on Record

December 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSUFFOLK NY
Recording DateDec 30, 2017
Property Address451 MAIN ST, MASTIC BEACH, NY 11951-3413
Document Number0129440338
Book / Page012944 / 000338
Instrument DateDec 7, 2017
Transaction TypeTransfer
Record UpdatedNov 27, 2019
Title CompanyBRIGHTWATERS ABSTRACT

Transaction

AmountAmount on Record
Tax$20.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address45 NORWOOD DR SHIRLEY NY 119671633, SHIRLEY, NY 11967-1633

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$250 Land $250$52,083 Land $47,170
2024$983.00
2023$250 Land $250$463 Land $463

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 451 Main St in Zone X, an area of minimal flood risk.

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 Policies8 in force

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

Wildfire risk around 451 Main 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 RiskLow
lower than 80% of the US · above 54% of New York
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond 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.

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