Mercer St, Somerville, NJ Property Records

Somerset County and Somerville Borough property records for 42 addresses on Mercer St, Somerville, NJ · Last verified October 2026

Mercer St Highlights

Properties 42
Median Sale Price $465,000
Deeds and Mortgages on File 49
Median Price per Sqft $325
Owner Occupied 79%
Median Annual Tax Bill $10,022
Median Year Built 1938
Median Ownership Tenure 12 years

Properties on Mercer St

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

19 Mercer St

2,210 sqft · built 1890 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$345,000Aug 2005 $9,9202025 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

20 Mercer St

1,451 sqft · built 1920 · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,2892025 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

21 Mercer St, #23

2,526 sqft · built 1900 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Apr 2014 $11,4172025 2 Owners on Record AssessorUpdated Jul 2026

24 Mercer St

1,508 sqft · built 1920 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$475,000Jul 2022 $11,4862025 Amount on Record Sep 2006 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

25 Mercer St

1,539 sqft · built 1890 · 0.092 acres

Last Sale Tax Bill Prior Sale Owner Records
$389,900Mar 2021 $10,3122025 Amount on Record Oct 2020 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

27 Mercer St

1,230 sqft · built 1880 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Aug 2022 $8,9862025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

28 Mercer St

1,350 sqft · built 1920 · 0.077 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,2672025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

31 Mercer St

1,534 sqft · built 1885 · 0.093 acres

Last Sale Tax Bill Prior Sale Owner Records
$315,000Feb 2015 $10,8342025 Amount on Record Mar 2009 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

32 Mercer St

1,518 sqft · built 1920 · 0.075 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 1992 $9,6312025 —Jun 2007 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

54 Mercer St

1,633 sqft · built 1937 · 0.141 acres

Last Sale Tax Bill Prior Sale Owner Records
$675,000Jul 2025 $12,6332025 Amount on Record Apr 2017 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

58 Mercer St

1,223 sqft · built 1900 · 0.147 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,000Jul 2015 $10,9322025 Amount on Record Jul 2009 Owner on Record Owner Occupied AssessorUpdated Oct 2026

59 Mercer St

1,324 sqft · built 1920 · 0.061 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Oct 2022 $8,8352025 Amount on Record May 2001 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

60 Mercer St

2,099 sqft · built 2024 · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$164,900Dec 2000 $14,4762025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

61 Mercer St

1,610 sqft · built 1920 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000May 2001 $10,8182025 Amount on Record Mar 1992 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

62 Mercer St

2,134 sqft · built 2024 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$711,000Nov 2024 $13,4692025 Amount on Record Mar 2023 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

63 Mercer St

1,252 sqft · built 1920 · 0.07 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,2762025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

64 Mercer St

1,950 sqft · built 2023 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,000Jun 2006 $13,1632025 Amount on Record Apr 2000 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

65 Mercer St

1,239 sqft · built 1890 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$510,000Mar 2025 $9,9732025 Amount on Record Mar 2023 2 Owners on Record Owner Occupied Assessor + 7 DocumentsUpdated Jul 2026

67 Mercer St

1,264 sqft · built 1910 · 0.065 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Jan 2021 $10,0222025 Amount on Record Mar 2018 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

116 Mercer St

2,158 sqft · built 1964 · 0.22 acres

Last Sale Tax Bill Prior Sale Owner Records
$134,000Jun 1995 $11,5722025 —Feb 1992 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

121 Mercer St

5.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$385,2742025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

122 Mercer St

1,683 sqft · built 1950 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,000Sep 2016 $11,5882025 Amount on Record Feb 2006 Owner on Record Owner Occupied AssessorUpdated Aug 2026

126 Mercer St

1,280 sqft · built 1950 · 0.245 acres

Last Sale Tax Bill Prior Sale Owner Records
$219,000Aug 2012 $9,4762025 Amount on Record Aug 2001 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

129 Mercer St

1,320 sqft · built 1950 · 0.134 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,1672025 Owner on Record AssessorUpdated Jul 2026

130 Mercer St

1,248 sqft · built 1950 · 0.246 acres

Last Sale Tax Bill Prior Sale Owner Records
$185,000Aug 2002 $9,7942025 Owner on Record Owner Occupied AssessorUpdated Oct 2026

134 Mercer St

1,238 sqft · built 1953 · 0.246 acres

Last Sale Tax Bill Prior Sale Owner Records
$224,000May 2008 $10,2222025 —Apr 2008 Owner on Record Owner Occupied AssessorUpdated Oct 2026

135 Mercer St

1,169 sqft · built 1930 · 0.223 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Dec 1998 $10,4302025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

139 Mercer St

1,084 sqft · built 1936 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,7782025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

143 Mercer St

1,242 sqft · built 1910 · 0.247 acres

Last Sale Tax Bill Prior Sale Owner Records
$335,000Mar 2022 $10,5852025 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

147 Mercer St

666 sqft · built 1938 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$232,000Jul 2017 $7,6152025 Amount on Record Feb 2004 Owner on Record Owner Occupied AssessorUpdated Oct 2026

150 Mercer St

1.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$485,000Jun 2005 $84,2232025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

151 Mercer St

1,248 sqft · built 1952 · 0.201 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Mar 1999 $9,6632025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

155 Mercer St

894 sqft · built 1952 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$220,000Feb 2019 $8,6722025 Amount on Record May 2006 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

189 Mercer St

1,330 sqft · built 1956 · 0.134 acres

Last Sale Tax Bill Prior Sale Owner Records
$465,000Jan 2024 $9,6712025 Amount on Record Oct 2023 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

190 Mercer St

1,545 sqft · built 1956 · 0.154 acres

Last Sale Tax Bill Prior Sale Owner Records
$152,000Dec 1987 $10,2022025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

191 Mercer St

1,330 sqft · built 1956 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Jul 2009 $9,7372025 —Jul 2009 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

205 Mercer St

1,465 sqft · built 1956 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,4712025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

206 Mercer St

1,642 sqft · built 1956 · 0.141 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1991 $9,3902025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

210 Mercer St

1,200 sqft · built 1956 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Oct 2015 $8,3782025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

211 Mercer St

1,330 sqft · built 1956 · 0.141 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000Mar 2014 $7,9542025 Amount on Record Aug 2006 2 Owners on Record AssessorUpdated Oct 2026

212 Mercer St

1,642 sqft · built 1956 · 0.138 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Dec 2016 $10,4672025 Amount on Record Apr 2016 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026
Last Sale Tax Bill Prior Sale Owner Records
—Nov 2012 $29,6342025 Owner on Record AssessorUpdated Jul 2026

Property Records in Nearby Streets