Seaford Ave, Mastic, NY Property Records

Suffolk County and Brookhaven Town property records for 14 addresses on Seaford Ave, Mastic, NY · Last verified August 2026

Seaford Ave Highlights

Properties 14
Median Sale Price $280,000
Deeds and Mortgages on File 11
Median Price per Sqft $235
Owner Occupied 79%
Median Annual Tax Bill $6,673
Median Year Built 1985
Median Ownership Tenure 19 years

Properties on Seaford Ave

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

4 Seaford Ave

3 bd · 1 ba · 1,080 sqft · built 1985 · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$138,000Sep 2001 $7,8822024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

5 Seaford Ave

3 bd · 1 ba · 1,061 sqft · built 1975 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$249,900Nov 2023 $5,2732024 Amount on Record Jun 2023 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

6 Seaford Ave

3 bd · 1 ba · 1,150 sqft · built 1919 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$335,000Sep 2021 $5,8552024 Amount on Record Jul 2001 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

7 Seaford Ave

3 bd · 1 ba · 1,170 sqft · built 1986 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$280,000Jul 2008 $6,6732024 Amount on Record Oct 2003 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

9 Seaford Ave

3 bd · 1 ba · 1,024 sqft · built 1986 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,9172024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

10 Seaford Ave

3 bd · 1 ba · 2,160 sqft · built 1987 · 0.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$126,000Jul 2003 $5,8482024 1 Name on Record AssessorUpdated Aug 2026

20 Seaford Ave

5 bd · 2 ba · 2,090 sqft · built 1976 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,2912024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

24 Seaford Ave

3 bd · 1 ba · 1,040 sqft · built 1976 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,7872024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

88 Seaford Ave

2 bd · 1 ba · 974 sqft · built 1985 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$294,000Nov 2007 $6,0782024 Amount on Record Aug 2001 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

94 Seaford Ave

3 bd · 1 ba · 1,050 sqft · built 1977 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000Feb 1999 $5,5992024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

100 Seaford Ave

3 bd · 2 ba · 1,526 sqft · built 1988 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$326,000Apr 2018 $8,6392024 Amount on Record Jan 2010 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

102 Seaford Ave

3 bd · 1 ba · 953 sqft · built 1977 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$106,500Nov 1996 $7,7672024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

110 Seaford Ave

3 bd · 1 ba · 1,142 sqft · built 1988 · 0.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,9442024 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

116 Seaford Ave

3 bd · 1 ba · 1,118 sqft · built 1977 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,7882024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

Wildfire Risk on Seaford Ave

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

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

Property Records in Nearby Streets