William St, Somerset, NJ Property Records

Somerset County and Franklin Township property records for 15 addresses on William St, Somerset, NJ · Last verified August 2026

William St Highlights

Properties 15
Median Sale Price $370,000
Deeds and Mortgages on File 14
Median Price per Sqft $165
Owner Occupied 60%
Median Annual Tax Bill $9,525
Median Year Built 1890
Median Ownership Tenure 15 years

Properties on William St

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

9 William St

2,232 sqft · built 1880 · 0.203 acres

Last Sale Tax Bill Prior Sale Owner Records
$370,000Feb 2025 $10,0172025 Amount on Record Dec 2006 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

10 William St

1,660 sqft · built 1869 · 0.116 acres

Last Sale Tax Bill Prior Sale Owner Records
$55,900Mar 1984 $9,0582025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

11 William St

1,964 sqft · built 1890 · 0.177 acres

Last Sale Tax Bill Prior Sale Owner Records
$272,000Oct 2003 $10,0322025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

13 William St

2,623 sqft · built 1873 · 0.241 acres

Last Sale Tax Bill Prior Sale Owner Records
$410,000Nov 2025 $9,5252025 Amount on Record Oct 2008 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

15 William St

1,944 sqft · built 1870 · 0.261 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,3142025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

25 William St

1,097 sqft · built 1968 · 0.292 acres

Last Sale Tax Bill Prior Sale Owner Records
$545,000Feb 2024 $9,3802025 Amount on Record Jan 2014 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

27 William St

3,136 sqft · built 1840 · 0.516 acres

Last Sale Tax Bill Prior Sale Owner Records
$265,000Nov 2020 $10,7712025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

32 William St

1,960 sqft · built 1880 · 0.187 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 1996 $9,7942025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

33 William St

2,128 sqft · built 1900 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Sep 1994 $9,3332025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

34 William St

1,810 sqft · built 2013 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$485,000Jun 2022 $11,3192025 Amount on Record Jun 2018 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

36 William St

1,008 sqft · built 1985 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,2902025 2 Owners on Record AssessorUpdated Jul 2026

39 William St

1,344 sqft · built 1840 · 0.092 acres

Last Sale Tax Bill Prior Sale Owner Records
$249,000Sep 2003 $8,6532025 —Feb 1995 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

42 William St

1,778 sqft · built 2023 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$49,500Nov 2016 $10,0582025 —Nov 2016 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

43 William St

1,050 sqft · built 1989 · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
$265,000Jun 2011 $9,3312025 Amount on Record Jun 2004 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

44 William St

1,575 sqft · built 1920 · 0.158 acres

Last Sale Tax Bill Prior Sale Owner Records
$95,000Jun 1999 $8,7962025 —Jun 1999 2 Owners on Record AssessorUpdated Jul 2026

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