Sinclair St, Mastic, NY Property Records

Suffolk County and Brookhaven Town property records for 12 addresses on Sinclair St, Mastic, NY · Last verified August 2026

Sinclair St Highlights

Properties 12
Median Sale Price $275,000
Deeds and Mortgages on File 19
Median Price per Sqft $178
Owner Occupied 100%
Median Annual Tax Bill $6,559
Median Year Built 1975
Median Ownership Tenure 14 years

Properties on Sinclair St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

4 Sinclair St

3 bd · 2 ba · 1,560 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,640Feb 2017 $9,6922024 Amount on Record Oct 2015 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

5 Sinclair St

3 bd · 2 ba · 2,692 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$555,000Oct 2025 $7,1552024 Amount on Record May 2023 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

6 Sinclair St

3 bd · 1 ba · 1,154 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2012 $7,2942024 Amount on Record — 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

7 Sinclair St

3 bd · 2 ba · 1,338 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$318,270Feb 2007 $5,6562024 Amount on Record Jan 2003 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

8 Sinclair St

3 bd · 1 ba · 1,050 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Mar 2021 $6,1432024 Amount on Record Dec 2003 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

9 Sinclair St

3 bd · 1 ba · 1,764 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,7712024 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

10 Sinclair St

3 bd · 1 ba · 2,012 sqft · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$258,000Dec 2003 $7,8242024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

11 Sinclair St

3 bd · 1 ba · 1,542 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000May 2005 $6,5592024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

12 Sinclair St

3 bd · 1 ba · 1,150 sqft · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,8872024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

15 Sinclair St

5 bd · 2 ba · 1,680 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,0682024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

16 Sinclair St

4 bd · 2 ba · 1,575 sqft · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,9002024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

17 Sinclair St

3 bd · 1 ba · 1,557 sqft · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$23,000May 1995 $4,9852024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

Wildfire Risk on Sinclair St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank at the 3rd percentile of exposed land nationally · 3rd in New York
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
1 of 2 cells directly exposed · 1 adjoin burnable vegetation

Property Records in Nearby Streets