15 Sinclair St, Mastic, NY 11950 Property Records

Suffolk County and Brookhaven Town property record for 15 Sinclair St, Mastic, NY 11950 · Last verified August 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms5 Beds
Bathrooms2 Baths
Architecture StyleColonial
Year BuiltBuilt 1971
Square Footage1,680 sqft Living Area
Lot Size10,019 sqft (0.23 acres)
OccupancyOwner Occupied
Tax Bill$4,068.00 (2024)

Property Details

APN / Parcel Number

Primary APN0200-823.00-08.00-031.000
Alternative APNs
  • 472289 823.00-08-031.000
  • 228982300000080310000000
  • 00004522220
  • 0004522220
  • 4522220

Interior

Bedrooms5 Beds
Full Baths2 Baths
Total Rooms9 Rooms
Building Area1,680 sqft Living Area
Stories2 Stories

Exterior

Year BuiltBuilt 1971
Effective Year BuiltEffective 1971
Architectural StyleColonial Style
Exterior MaterialAluminum/Vinyl Exterior
Lot Area10,019 sqft (0.23 acres)

Utilities and HVAC

Heating SystemRadiant Heating

Location & Zoning

Account Number4522220
Street Address15 SINCLAIR ST
CityMASTIC
StateNY
Zip11950-2111
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionMASTIC PARK 639 SEC 7 6309 TO 6313
Legal SubdivisionMASTIC PARK
Legal Block3000
Legal Lot Number800
JurisdictionSUFFOLK NY
Minor Civil DivisionBROOKHAVEN
Census Blockgroup4
Census Block4013
Census Tract159416

Owner

Source: Suffolk County and Brookhaven Town records · APN 0200-823.00-08.00-031.000

Assessment roll updated August 11, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on File
Mailing Address15 SINCLAIR ST, MASTIC, NY 11950-2111
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Record RefreshedSep 20, 2026

Tax Assessment & Valuation

Source: Suffolk County and Brookhaven Town records · Assessment roll updated August 11, 2026 · Last verified August 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

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

YearTax BillAssessed ValueAssessed Market Value
2025$1,710 (-) Land $200 Building $1,510$356,250 (+11,152.37%) Land $37,736 Building $284,906
2024$4,068.00
2023$1,710 Land $200 Building $1,510$3,166 Land $370 Building $2,796

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Nearby Properties on Sinclair St

Nearby Streets

Search Property Records by Address or Parcel Number