Somerset Ave, Mastic, NY Property Records

Suffolk County and Brookhaven Town property records for 60 addresses on Somerset Ave, Mastic, NY · Last verified August 2026

Somerset Ave Highlights

Properties 60
Median Sale Price $349,000
Deeds and Mortgages on File 78
Median Price per Sqft $327
Owner Occupied 80%
Median Annual Tax Bill $6,987
Median Year Built 1972
Median Ownership Tenure 8 years

Properties on Somerset Ave

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

1 Somerset Ave

3 bd · 1 ba · 1,000 sqft · built 1973 · 0.51 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,0282024 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

3 Somerset Ave

0.869 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,1512024 Owner on Record AssessorUpdated Aug 2026

4 Somerset Ave

0.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$359,500May 2021 $9,5962024 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

7 Somerset Ave

2 bd · 1 ba · 836 sqft · built 1953 · 0.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000May 2004 $1,6302024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

17 Somerset Ave

3 bd · 1 ba · 1,236 sqft · built 1988 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,8222024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

18 Somerset Ave

3 bd · 1 ba · 1,044 sqft · built 1978 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,7352024 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

21 Somerset Ave

3 bd · 2 ba · 1,656 sqft · built 1977 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Nov 2017 $6,4432024 Amount on Record Feb 2003 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

23 Somerset Ave

3 bd · 1 ba · 1,216 sqft · built 1972 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Dec 2020 $6,1432024 Amount on Record Nov 2005 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

25 Somerset Ave

5 bd · 2 ba · 2,096 sqft · built 1972 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$205,000Sep 2002 $7,8332024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

27 Somerset Ave

3 bd · 1 ba · 1,050 sqft · built 1972 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$364,000Aug 2022 $5,4522024 Amount on Record Oct 2015 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

29 Somerset Ave

3 bd · 1 ba · 1,408 sqft · built 1972 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,5472024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

30 Somerset Ave

3 bd · 1 ba · 1,078 sqft · built 1970 · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$351,750Jul 2025 $7,3902024 Amount on Record Nov 2024 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

31 Somerset Ave

3 bd · 1 ba · 1,140 sqft · built 1989 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$87,500Jan 1997 $5,6562024 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

35 Somerset Ave

5 bd · 2 ba · 2,184 sqft · built 1974 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,7042024 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

38 Somerset Ave

3 bd · 1 ba · 1,149 sqft · built 1976 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,6562024 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

42 Somerset Ave

3 bd · 1 ba · 1,281 sqft · built 1976 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,5772024 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

45 Somerset Ave

4 bd · 2 ba · 1,376 sqft · built 1971 · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Apr 2019 $6,8342024 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

50 Somerset Ave

2 bd · 1 ba · 1,494 sqft · built 1954 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$172,500Jan 2003 $7,2942024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

51 Somerset Ave

5 bd · 2 ba · 935 sqft · built 1962 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$191,000Apr 2017 $7,1022024 Amount on Record Oct 2010 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

53 Somerset Ave

3 bd · 1 ba · 1,329 sqft · built 2001 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$163,765Nov 2001 $1,8532024 Amount on Record Mar 2001 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

55 Somerset Ave

4 bd · 2 ba · 1,640 sqft · built 1964 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$252,000Sep 2017 $8,7142024 Amount on Record Mar 2016 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

56 Somerset Ave

4 bd · 1 ba · 1,224 sqft · built 1959 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,000Aug 2007 $1,7932024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

63 Somerset Ave

3 bd · 1 ba · 1,012 sqft · built 1976 · 0.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000May 2012 $5,6562024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

65 Somerset Ave

3 bd · 1 ba · 1,008 sqft · built 1973 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$329,900Aug 2022 $6,5272024 Amount on Record Feb 2000 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

71 Somerset Ave

3 bd · 1 ba · 1,008 sqft · built 1976 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$349,000Apr 2022 $11,6832024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

73 Somerset Ave

3 bd · 1 ba · 1,036 sqft · built 1975 · 0.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Apr 2025 $7,6782024 Amount on Record Jan 2018 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

76 Somerset Ave

2 bd · 1 ba · 673 sqft · built 1930 · 0.51 acres

Last Sale Tax Bill Prior Sale Owner Records
$55,000Feb 2000 $4,2752024 Amount on Record Nov 1997 Owner on Record Owner Occupied AssessorUpdated Aug 2026

79 Somerset Ave

3 bd · 3 ba · 1,652 sqft · built 1957 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,6942024 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

81 Somerset Ave

3 bd · 1 ba · 1,144 sqft · built 1990 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$463,500Sep 2024 $7,1912024 Amount on Record May 2024 2 Owners on Record Assessor + 2 DocumentsUpdated Aug 2026

82 Somerset Ave

6 bd · 2 ba · 2,560 sqft · built 1948 · 0.389 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 1998 $5,8432024 Owner on Record AssessorUpdated Aug 2026

83 Somerset Ave

3 bd · 1 ba · 1,075 sqft · built 1973 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,3512024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

85 Somerset Ave

3 bd · 1 ba · 1,036 sqft · built 2005 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$371,000Mar 2024 $6,7572024 Amount on Record Nov 2005 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

87 Somerset Ave

3 bd · 1 ba · 1,008 sqft · built 1972 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,7222024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

91 Somerset Ave

5 bd · 1 ba · 1,547 sqft · built 1973 · 0.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$257,000Nov 2007 $5,6372024 Amount on Record Mar 1998 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

92 Somerset Ave

1 bd · 1 ba · 728 sqft · built 1949 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Nov 2006 $5,2732024 Amount on Record Jul 1999 Owner on Record Owner Occupied AssessorUpdated Aug 2026

97 Somerset Ave

5 bd · 2 ba · 1,708 sqft · built 1972 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,9852024 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

101 Somerset Ave

3 bd · 1 ba · 1,008 sqft · built 1972 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$320,000Dec 2023 $5,5672024 Amount on Record Apr 2005 Owner on Record AssessorUpdated Aug 2026

103 Somerset Ave

4 bd · 1 ba · 1,008 sqft · built 1955 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Feb 2022 $5,8172024 Amount on Record May 2019 2 Owners on Record Assessor + 5 DocumentsUpdated Aug 2026

104 Somerset Ave

2 bd · 2 ba · 1,833 sqft · built 1971 · 0.51 acres

Last Sale Tax Bill Prior Sale Owner Records
$137,800Oct 2001 $9,5192024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

105 Somerset Ave

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Sep 2007 $9,9822024 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

107 Somerset Ave

4 bd · 2 ba · 1,747 sqft · built 1942 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,1142024 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

111 Somerset Ave

4 bd · 1 ba · 1,789 sqft · built 1957 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$261,000Feb 2019 $7,7162024 Amount on Record Apr 2007 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

112 Somerset Ave

2 bd · 1 ba · 800 sqft · built 1950 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$352,000Nov 2021 $5,7592024 Amount on Record Dec 2014 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

117 Somerset Ave

3 bd · 1 ba · 1,092 sqft · built 1950 · 0.369 acres

Last Sale Tax Bill Prior Sale Owner Records
$139,050Jul 2015 $7,1022024 Amount on Record Jan 2007 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

119 Somerset Ave

3 bd · 1 ba · 1,092 sqft · built 1950 · 0.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$137,500Jan 2007 $10,1712024 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

120 Somerset Ave

3 bd · 2 ba · 1,696 sqft · built 1950 · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$309,000Apr 2020 $8,5412024 Amount on Record Mar 2002 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

121 Somerset Ave

3 bd · 2 ba · 1,223 sqft · built 1950 · 0.75 acres

Last Sale Tax Bill Prior Sale Owner Records
$153,700Nov 2017 $6,9872024 Amount on Record Aug 2015 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

133 Somerset Ave

4 bd · 2 ba · 1,920 sqft · built 1988 · 0.58 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,2122024 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

139 Somerset Ave

1 bd · 1 ba · 504 sqft · built 1946 · 0.58 acres

Last Sale Tax Bill Prior Sale Owner Records
$78,000Aug 2001 $5,2732024 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

147 Somerset Ave

3 bd · 1 ba · 1,140 sqft · built 1973 · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Aug 2022 $8,0042024 Amount on Record Mar 2020 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

151 Somerset Ave

4 bd · 2 ba · 1,684 sqft · built 1935 · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,9582024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

153 Somerset Ave

0.56 acres

Last Sale Tax Bill Prior Sale Owner Records
$369,999Jul 2021 $9,4042024 Amount on Record Jul 2007 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

158 Somerset Ave

2 bd · 1 ba · 924 sqft · built 1942 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$265,000Aug 2022 $4,0332024 —Jan 2013 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

159 Somerset Ave

0.539 acres

Last Sale Tax Bill Prior Sale Owner Records
$369,000Aug 2021 $9,4042024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

162 Somerset Ave

3 bd · 2 ba · 1,410 sqft · built 1954 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000Dec 2018 $7,6782024 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

163 Somerset Ave

3 bd · 2 ba · 1,480 sqft · built 2000 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$345,000Mar 2005 $9,9802024 Amount on Record Oct 2000 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

165 Somerset Ave

3 bd · 1 ba · 960 sqft · built 1971 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$329,500Feb 2021 $6,1432024 Amount on Record Mar 2004 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

166 Somerset Ave

3 bd · 1 ba · 1,530 sqft · built 1958 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Apr 2022 $9,4042024 Amount on Record Mar 2019 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

173 Somerset Ave

5 bd · 2 ba · 2,222 sqft · built 1986 · 0.369 acres

Last Sale Tax Bill Prior Sale Owner Records
$309,000Jul 2019 $9,2122024 Amount on Record Jun 2017 Owner on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

1720 Somerset Ave

3 bd · 1 ba · 960 sqft · built 1991 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Oct 2002 $5,2732024 Amount on Record Oct 2001 Owner on Record Owner Occupied AssessorUpdated Aug 2026

Property Records in Nearby Streets