Warren Ave, Rockford, IL Property Records

Winnebago County property records for 60 addresses on Warren Ave, Rockford, IL · Last verified October 2026

Warren Ave Highlights

Properties 60
Median Sale Price $133,500
Deeds and Mortgages on File 76
Median Price per Sqft $94
Owner Occupied 92%
Median Annual Tax Bill $3,607
Median Year Built 1958
Median Ownership Tenure 9 years

Properties on Warren Ave

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

1XX Warren Ave

0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2008 $1022025 Owner on Record AssessorUpdated Aug 2026

109 Warren Ave

2 bd · 1 ba · 958 sqft · built 1924 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$63,000May 2014 $3,3362025 —Jul 1998 Owner on Record Owner Occupied AssessorUpdated Aug 2026

116 Warren Ave

1 bd · 1 ba · 448 sqft · built 1935 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Jun 2021 $2,1982025 Amount on Record Jun 2018 2 Owners on Record Assessor + 4 DocumentsUpdated Oct 2026

119 Warren Ave

3 bd · 1 ba · 1,025 sqft · built 1951 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$29,000May 2018 $3,3552025 —May 2018 2 Owners on Record Assessor + 3 DocumentsUpdated Aug 2026

123 Warren Ave

2 bd · 1.5 ba · 768 sqft · built 1954 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2010 $2,7532025 Amount on Record May 2001 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

124 Warren Ave

3 bd · 1.5 ba · 988 sqft · built 1954 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$99,900Mar 2005 $3,4992025 Amount on Record Mar 2003 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

127 Warren Ave

3 bd · 1 ba · 1,275 sqft · built 1954 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$73,000Oct 2005 $2,8302025 Amount on Record Oct 2005 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

128 Warren Ave

2 bd · 1 ba · 1,050 sqft · built 1949 · 0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$179,000Sep 2026 $2,8532025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

131 Warren Ave

2 bd · 1.5 ba · 1,186 sqft · built 1954 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$59,100Sep 1993 $3,6072025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

132 Warren Ave

3 bd · 1 ba · 1,367 sqft · built 1955 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3582025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

135 Warren Ave

3 bd · 1.5 ba · 1,981 sqft · built 1954 · 0.769 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2004 $5,0922025 —Mar 2000 Owner on Record Owner Occupied AssessorUpdated Aug 2026

136 Warren Ave

3 bd · 1.5 ba · 1,485 sqft · built 1951 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,0202025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

139 Warren Ave

3 bd · 2.5 ba · 2,172 sqft · built 1925 · 0.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$59,000Feb 1993 $5,8582025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

140 Warren Ave

2 bd · 1 ba · 962 sqft · built 1952 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Jul 2025 $3,4972025 Amount on Record Aug 1994 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

203 Warren Ave

3 bd · 1 ba · 1,495 sqft · built 1956 · 0.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$165,000Apr 2024 $4,3242025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

204 Warren Ave

3 bd · 1.5 ba · 1,726 sqft · built 1959 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$93,000Apr 2020 $3,6722025 Amount on Record Jan 2017 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

207 Warren Ave

2 bd · 1.5 ba · 1,556 sqft · built 1956 · 0.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9402025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

208 Warren Ave

2 bd · 1 ba · 1,370 sqft · built 1957 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$79,000Mar 2010 $3,2162025 Amount on Record Aug 2000 Owner on Record Owner Occupied AssessorUpdated Aug 2026

209 Warren Ave

3 bd · 2 ba · 1,786 sqft · built 1956 · 0.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$104,500May 2017 $4,1222025 Amount on Record Nov 1998 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

212 Warren Ave

3 bd · 2 ba · 1,572 sqft · built 1957 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$92,000Mar 2003 $3,8302025 Amount on Record Mar 2003 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

215 Warren Ave

3 bd · 1.5 ba · 1,511 sqft · built 1959 · 0.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$101,000Sep 2020 $3,4682025 Amount on Record Mar 2005 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

216 Warren Ave

3 bd · 1.5 ba · 1,248 sqft · built 1959 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$118,000Feb 2023 $4,1522025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

219 Warren Ave

3 bd · 2.5 ba · 1,957 sqft · built 1960 · 0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000May 2024 $4,8712024 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

220 Warren Ave

3 bd · 1.5 ba · 2,009 sqft · built 1964 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,9842025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

223 Warren Ave

3 bd · 2 ba · 2,100 sqft · built 1964 · 0.389 acres

Last Sale Tax Bill Prior Sale Owner Records
$86,000Jan 2017 $4,6892025 —Mar 2013 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2026

224 Warren Ave

3 bd · 1.5 ba · 1,972 sqft · built 1964 · 0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$224,000Jun 2026 $4,6042025 Amount on Record Sep 2022 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Sep 2026

310 Warren Ave

3 bd · 2 ba · 1,902 sqft · built 1960 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$117,500Jan 2007 $4,3322025 —Mar 2006 Owner on Record Owner Occupied AssessorUpdated Aug 2026

315 Warren Ave

3 bd · 2.5 ba · 2,021 sqft · built 1964 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5412025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

316 Warren Ave

3 bd · 3 ba · 2,493 sqft · built 1950 · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$123,900Mar 2016 $5,4402025 Amount on Record Aug 2013 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

325 Warren Ave

4 bd · 2.5 ba · 2,470 sqft · built 1960 · 0.439 acres

Last Sale Tax Bill Prior Sale Owner Records
$174,000Jul 2024 $5,3382025 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

327 Warren Ave

3 bd · 1.5 ba · 1,340 sqft · built 1960 · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,0552025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

328 Warren Ave

3 bd · 2 ba · 2,032 sqft · built 1957 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$84,000Aug 2021 $3,8332025 —Dec 2017 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

333 Warren Ave

3 bd · 1.5 ba · 1,357 sqft · built 1958 · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$89,900Dec 2004 $4,1962025 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

403 Warren Ave

3 bd · 2 ba · 2,252 sqft · built 1960 · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$133,500Mar 2026 $4,7552025 Amount on Record Aug 2016 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2026

404 Warren Ave

3 bd · 1 ba · 2,023 sqft · built 1964 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9242025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

409 Warren Ave

3 bd · 1.5 ba · 1,647 sqft · built 1960 · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$162,000Nov 2023 $4,6292025 —Oct 2023 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

410 Warren Ave

3 bd · 2.5 ba · 1,552 sqft · built 1959 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2025 $3,5572025 —Oct 2025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

412 Warren Ave

3 bd · 1.5 ba · 2,044 sqft · built 1957 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$119,000Aug 2008 $3,7532025 Amount on Record Sep 2002 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

415 Warren Ave

4 bd · 1.5 ba · 1,786 sqft · built 1960 · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$148,000Mar 2023 $4,1462025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

421 Warren Ave

3 bd · 2 ba · 2,361 sqft · built 1961 · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Sep 2026 $4,7502025 Amount on Record Nov 2024 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

424 Warren Ave

3 bd · 1 ba · 1,880 sqft · built 1959 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$69,800Mar 1997 $3,8402025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

428 Warren Ave

3 bd · 1 ba · 1,657 sqft · built 1952 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$69,000Nov 2023 $2,1962025 Amount on Record May 2018 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

433 Warren Ave

3 bd · 2 ba · 2,295 sqft · built 1953 · 0.81 acres

Last Sale Tax Bill Prior Sale Owner Records
$79,000Jun 2025 $6,4312025 —Apr 2009 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

503 Warren Ave

2 bd · 1 ba · 1,514 sqft · built 1956 · 0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Dec 1992 $1,0222025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

509 Warren Ave

2 bd · 2 ba · 1,688 sqft · built 1956 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$94,000Jun 2008 $3,5892025 —Jun 2016 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

510 Warren Ave

2 bd · 6 ba · 1,920 sqft · built 1958 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$118,900Feb 2008 $4,0462025 —Apr 2007 Owner on Record Owner Occupied AssessorUpdated Aug 2026

514 Warren Ave

4 bd · 2 ba · 1,547 sqft · built 1950 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000May 2021 $4,3682025 Amount on Record Jun 2015 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

515 Warren Ave

4 bd · 2 ba · 1,469 sqft · built 1954 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$91,500Aug 2012 $3,9922025 —Aug 2012 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

521 Warren Ave

3 bd · 1 ba · 1,804 sqft · built 1960 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,1852025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

527 Warren Ave

3 bd · 2 ba · 1,710 sqft · built 1956 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$117,000Jun 2018 $3,8542025 Amount on Record — 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

528 Warren Ave

3 bd · 2.5 ba · 3,353 sqft · built 1960 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,000Aug 2018 $6,4892025 Amount on Record — 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

608 Warren Ave

3 bd · 2 ba · 1,188 sqft · built 1960 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$46,500Sep 2017 $3,8492025 Amount on Record Sep 2004 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

611 Warren Ave

3 bd · 2 ba · 2,069 sqft · built 1955 · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Aug 2013 $5,3692025 —Sep 2000 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

612 Warren Ave

3 bd · 1 ba · 1,696 sqft · built 1960 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$86,900Jun 2000 $3,3062025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

615 Warren Ave

4 bd · 1.5 ba · 1,936 sqft · built 1959 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000Oct 2005 $2,7132025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

617 Warren Ave

3 bd · 2 ba · 1,572 sqft · built 1958 · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,1772025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

618 Warren Ave

3 bd · 1 ba · 1,555 sqft · built 1959 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$79,900Jul 2017 $3,4382025 Amount on Record May 1998 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

619 Warren Ave

2 bd · 2 ba · 2,319 sqft · built 1960 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Nov 2023 $4,9102025 Amount on Record Feb 2023 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

620 Warren Ave

3 bd · 1 ba · 1,450 sqft · built 1959 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$56,500Aug 2018 $3,3612025 Amount on Record — 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

622 Warren Ave

3 bd · 1 ba · 1,275 sqft · built 1959 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$152,500Aug 2026 $3,4502025 Amount on Record Nov 2017 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Sep 2026

Property Records in Nearby Streets