William St, Belleville, NJ Property Records

Essex County and Belleville Township property records for 97 addresses on William St, Belleville, NJ · Last verified August 2026

William St Highlights

Properties 97
Median Sale Price $640,000
Deeds and Mortgages on File 102
Median Price per Sqft $251
Owner Occupied 52%
Median Annual Tax Bill $12,986
Median Year Built 1917
Median Ownership Tenure 12 years

Properties on William St

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

10 William St

0.032 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,2302025 1 Name on Record AssessorUpdated Jul 2026

12 William St, #14

0.065 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,2132025 1 Name on Record AssessorUpdated Jul 2026

16 William St, #18

0.065 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,4592025 1 Name on Record AssessorUpdated Jul 2026

19 William St

2.31 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

22 William St, #24

1,477 sqft · Built 1907 · 0.06 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$8,4012025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

26 William St

1,690 sqft · Built 1897 · 0.06 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$270,000May 2019 $10,5672025 Amount on Record Sep 2010 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

28 William St

4,032 sqft · Built 2019 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$65,000Jun 2013 $24,8802025 —Jun 2013 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

29 William St

2,544 sqft · Built 1900 · 0.53 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

31 William St

1,733 sqft · Built 1917 · 0.067 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2016 $8,7462025 Amount on Record Aug 2000 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

32 William St

3,420 sqft · Built 1897 · 0.111 acres

Last Sale Tax Bill Prior Sale Owner Records
$248,500Dec 2018 $11,8102025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

33 William St

1,901 sqft · Built 1917 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2014 $8,4352025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

35 William St

3,762 sqft · Built 1917 · 0.031 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Apr 2022 $18,3452025 Amount on Record Mar 2018 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

36 William St

3,451 sqft · Built 1897 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,2302025 1 Name on Record AssessorUpdated Jul 2026

41 William St

Built 2011 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$259,000Feb 2022 $6,6512025 Amount on Record Jun 2009 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

42 William St

2,880 sqft · Built 2013 · 0.106 acres

Last Sale Tax Bill Prior Sale Owner Records
$380,000Oct 2014 $17,0982025 —Oct 2014 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

44 William St

2,880 sqft · Built 2018 · 0.105 acres

Last Sale Tax Bill Prior Sale Owner Records
$710,000Jul 2023 $17,7382025 —Dec 2014 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

45 William St

0.057 acres

Last Sale Tax Bill Prior Sale Owner Records
$66,000Oct 2022 $1,6592025 Amount on Record Nov 1988 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

46 William St

2,880 sqft · Built 2017 · 0.105 acres

Last Sale Tax Bill Prior Sale Owner Records
$710,000May 2026 $15,6592025 —Dec 2022 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

47 William St, #49

2,800 sqft · Built 1887 · 0.153 acres

Last Sale Tax Bill Prior Sale Owner Records
$96,000Jun 2011 $16,7742025 —Sep 2010 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

48 William St

2,880 sqft · Built 2015 · 0.099 acres

Last Sale Tax Bill Prior Sale Owner Records
$380,000Jan 2016 $16,9312025 —Dec 2014 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

51 William St

1,316 sqft · Built 1937 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

68 William St

1,116 sqft · Built 1897 · 0.066 acres

Last Sale Tax Bill Prior Sale Owner Records
$999,500Feb 2022 $5,1712025 Amount on Record — 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

69 William St, #73

62,026 sqft · Built 1937 · 1.79 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,850,000Mar 1998 $129,0422025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

100 William St

2,590 sqft · Built 1917 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Sep 2017 $13,0362025 Amount on Record Jan 2017 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

102 William St

2,594 sqft · Built 1917 · 0.075 acres

Last Sale Tax Bill Prior Sale Owner Records
$164,000Feb 2000 $13,8182025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

106 William St

0.075 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Aug 1993 $4,0662025 1 Name on Record AssessorUpdated Jul 2026

107 William St

1,900 sqft · Built 2018 · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$167,000Feb 2007 $15,1022025 Amount on Record Jan 1998 1 Name on Record AssessorUpdated Jul 2026

108 William St, #110

2,518 sqft · Built 1887 · 0.062 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Sep 1993 $11,3242025 —Aug 1993 1 Name on Record AssessorUpdated Jul 2026

109 William St

5,662 sqft · Built 1963 · 0.15 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,320,000Oct 2021 $29,0452025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

112 William St

2,991 sqft · Built 1887 · 0.134 acres

Last Sale Tax Bill Prior Sale Owner Records
$505,750Jul 2020 $19,1932025 Amount on Record May 2017 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

113 William St

1,590 sqft · Built 1887 · 0.12 acres

Last Sale Tax Bill Prior Sale Owner Records
$399,999Nov 2021 $11,5942025 Amount on Record Mar 2011 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

115 William St

1,768 sqft · Built 1897 · 0.104 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Aug 2002 $9,6112025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

119 William St

3,283 sqft · Built 1926 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000Apr 2026 $12,9662025 Amount on Record Mar 2000 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

120 William St

5,400 sqft · Built 1965 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$995,000Oct 2020 $22,0112025 Amount on Record Sep 2007 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

121 William St

Built 1980 · 0.358 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

124 William St

2,497 sqft · Built 1897 · 0.066 acres

Last Sale Tax Bill Prior Sale Owner Records
$525,000Sep 2024 $12,0142025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

126 William St

2,952 sqft · Built 1970 · 0.055 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$368,000Oct 2007 $15,0322025 Amount on Record Dec 1997 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

128 William St

2,212 sqft · Built 1877 · 0.074 acres

Last Sale Tax Bill Prior Sale Owner Records
$137,000Mar 1994 $10,4512025 —Mar 1994 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

130 William St

1,632 sqft · Built 1877 · 0.046 acres

Last Sale Tax Bill Prior Sale Owner Records
$86,000Aug 2018 $5,2212025 Amount on Record Jun 2016 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

131 William St

1,584 sqft · Built 1892 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2005 $10,6422025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

132 William St

3,312 sqft · Built 1897 · 0.081 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$849,000Jul 2025 $15,4142025 Amount on Record Feb 2022 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

137 William St

28,238 sqft · Built 1913 · 4.56 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

138 William St

29,236 sqft · Built 1936 · 2.45 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

176 William St

1,935 sqft · Built 1940 · 0.113 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,1782025 1 Name on Record AssessorUpdated Jul 2026

176 William St, #182

0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

178 William St, #C

1,304 sqft · Built 1987 · 0.212 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jul 2018 $9,9232025 Amount on Record May 1999 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

180 William St, #B

1,304 sqft · Built 1987 · 0.212 acres

Last Sale Tax Bill Prior Sale Owner Records
$475,000Apr 2026 $9,7392025 Amount on Record Sep 2002 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

182 William St, #A

1,304 sqft · Built 1987 · 0.212 acres

Last Sale Tax Bill Prior Sale Owner Records
$215,000Jun 2019 $9,9192025 —Dec 2018 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

186 William St

2,160 sqft · Built 1892 · 0.108 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$220,000Aug 2014 $12,9862025 —Jul 2014 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

189 William St

2,704 sqft · Built 1897 · 0.084 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$485,000Aug 2007 $13,3482025 Amount on Record Mar 2005 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

190 William St

1,746 sqft · Built 1957 · 0.108 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$146,500Aug 1993 $14,0342025 2 Names on Record AssessorUpdated Jul 2026

191 William St

1,512 sqft · Built 1897 · 0.085 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,4942025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

193 William St

1,420 sqft · Built 1897 · 0.121 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$26,000Jan 2000 $9,6692025 Amount on Record Sep 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

194 William St

2,731 sqft · Built 1957 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,6642025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

195 William St

0.028 acres

Last Sale Tax Bill Prior Sale Owner Records
$369,000Oct 2022 $2002025 Amount on Record Jan 2004 2 Names on Record AssessorUpdated Jul 2026

195 William St

1,498 sqft · Built 1907 · 0.077 acres

Last Sale Tax Bill Prior Sale Owner Records
$229,000Aug 2004 $12,0592025 —Aug 2004 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

197 William St

2,436 sqft · Built 1907 · 0.115 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$13,9092025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

198 William St

2,405 sqft · Built 1892 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$640,000Sep 2022 $15,0482025 Amount on Record Apr 2022 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

199-201 William St

900 sqft · Built 1970 · 0.122 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$232,000Dec 2004 $10,7582025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

200 William St

2,014 sqft · Built 1829 · 0.064 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Oct 2019 $10,8082025 Amount on Record Jan 2006 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

202 William St

2,500 sqft · Built 1892 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Aug 2018 $17,3312025 Amount on Record Apr 2018 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

205 William St

1,554 sqft · Built 1876 · 0.102 acres

Last Sale Tax Bill Prior Sale Owner Records
$415,000Jan 2024 $10,5752025 Amount on Record Mar 2014 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

208 William St

1,394 sqft · Built 1892 · 0.057 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$105,000Dec 1998 $8,9292025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

209 William St

1,664 sqft · Built 1947 · 0.092 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$635,000Nov 2023 $14,3962025 Amount on Record Sep 2022 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

212 William St, #214

1,128 sqft · Built 1878 · 0.141 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$118,500Dec 1997 $11,2862025 2 Names on Record AssessorUpdated Jul 2026

215 William St

1,664 sqft · Built 1947 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Aug 2003 $13,0902025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

216 William St

2,462 sqft · Built 1922 · 0.057 acres

Last Sale Tax Bill Prior Sale Owner Records
$174,900Jan 2003 $14,0552025 Amount on Record Jun 1996 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

218 William St, #220

2,178 sqft · Built 1922 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$288,000Jul 2018 $14,0092025 Amount on Record Jun 2004 1 Name on Record Assessor + 5 DocumentsUpdated Jul 2026

219 William St

1,152 sqft · Built 1952 · 0.095 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Aug 2002 $10,0812025 Amount on Record Nov 1999 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

222 William St

6,580 sqft · Built 1897 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,100,000Sep 2024 $25,0382025 Amount on Record Jan 2021 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

227 William St

2,016 sqft · Built 1892 · 0.068 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Oct 2002 $12,1552025 Amount on Record Jan 2000 1 Name on Record AssessorUpdated Jul 2026

227 William St, #INT

0.034 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Jul 2026

230 William St

3,252 sqft · Built 1892 · 0.116 acres

Last Sale Tax Bill Prior Sale Owner Records
$281,000Dec 2003 $15,5432025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

231 William St

1,450 sqft · Built 1892 · 0.068 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000Jun 2005 $9,6362025 Amount on Record Dec 1995 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

233 William St

1,452 sqft · Built 1892 · 0.068 acres

Last Sale Tax Bill Prior Sale Owner Records
$107,000Jan 1995 $9,4412025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

235 William St

1,573 sqft · Built 1892 · 0.068 acres

Last Sale Tax Bill Prior Sale Owner Records
$389,000Mar 2006 $12,1552025 Amount on Record Sep 2004 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

236 William St

2,616 sqft · Built 1917 · 0.116 acres

Last Sale Tax Bill Prior Sale Owner Records
$385,000Sep 2017 $14,9982025 Amount on Record Dec 2010 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

237 William St

1,484 sqft · Built 1892 · 0.068 acres

Last Sale Tax Bill Prior Sale Owner Records
$112,000Jan 2017 $9,0662025 Amount on Record May 2016 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

240 William St

1,772 sqft · Built 1917 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Dec 2014 $12,3092025 —Nov 2014 2 Names on Record AssessorUpdated Jul 2026

243 William St

3,270 sqft · Built 1922 · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$565,000Oct 2021 $18,8022025 Amount on Record Jan 2021 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

244 William St

1,796 sqft · Built 1892 · 0.107 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$322,000May 2004 $13,2652025 Amount on Record May 2002 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

255 William St, #257

4,024 sqft · Built 1927 · 0.127 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 1995 $21,3752025 2 Names on Record AssessorUpdated Jul 2026

258 William St

0.342 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$999,900Sep 2024 $5,8162025 Amount on Record Aug 2010 1 Name on Record AssessorUpdated Jul 2026

259 William St, #261

4,024 sqft · Built 1927 · 0.126 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$19,5552025 2 Names on Record AssessorUpdated Jul 2026

262 William St

1,651 sqft · Built 1887 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,0722025 —Sep 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

266 William St

2,277 sqft · Built 1892 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$65,000Dec 1994 $14,7822025 Amount on Record Apr 1994 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

267 William St, #269

2,244 sqft · Built 1959 · 0.116 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$680,000Sep 2025 $15,5602025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

272 William St

2,204 sqft · Built 1947 · 0.1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$16,1622025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

273 William St, #275

4,381 sqft · Built 1927 · 0.115 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000Jan 1993 $19,8462025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

274 William St

2,664 sqft · Built 1947 · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,000Jan 2000 $16,9232025 Amount on Record Aug 1997 1 Name on Record AssessorUpdated Jul 2026

276 William St

1,757 sqft · Built 1947 · 0.108 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$661,000Apr 2025 $14,0052025 Amount on Record Apr 2022 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

277 William St, #279

4,381 sqft · Built 1927 · 0.132 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$150,000Jun 1998 $20,3112025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

278 William St

0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
$720,555Aug 1996 $9,2332025 1 Name on Record AssessorUpdated Jul 2026

281 William St, #283

4,369 sqft · Built 1927 · 0.124 acres

Last Sale Tax Bill Prior Sale Owner Records
$21,7162025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

285 William St, #287

4,024 sqft · Built 1927 · 0.131 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2002 $20,2822025 2 Names on Record AssessorUpdated Jul 2026

289 William St, #291

4,024 sqft · Built 1927 · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,0892025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

293 William St, #297

10,707 sqft · Built 1973 · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$775,000Feb 2008 $37,4132025 2 Names on Record AssessorUpdated Jul 2026

Property Records in Nearby Streets