Cumnor Ave, Glen Ellyn, IL Property Records

DuPage County property records for 58 addresses on Cumnor Ave, Glen Ellyn, IL · Last verified August 2026

Cumnor Ave Highlights

Properties 58
Median Sale Price $620,000
Deeds and Mortgages on File 84
Median Price per Sqft $189
Owner Occupied 95%
Median Annual Tax Bill $12,724
Median Year Built 1955
Median Ownership Tenure 11 years

Properties on Cumnor Ave

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

0N170 Cumnor Ave

3 bd · 2.5 ba · 1,904 sqft · built 2001 · 0.419 acres

Last Sale Tax Bill Prior Sale Owner Records
$408,500Jan 2021 $10,0772025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

0N240 Cumnor Ave

2 bd · 1 ba · 1,120 sqft · built 1956 · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$220,000Aug 2000 $7,4262025 —Nov 2000 Owner on Record Owner Occupied AssessorUpdated Aug 2026

0N245 Cumnor Ave

3 bd · 1 ba · 1,738 sqft · built 1984 · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Sep 1997 $8,6642025 —Sep 2005 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

0N246 Cumnor Ave

3 bd · 2 ba · 1,387 sqft · built 1950 · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,500Jun 1997 $7,8582025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

0N258 Cumnor Ave

2 bd · 2.5 ba · 2,142 sqft · built 1994 · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000Aug 2025 $15,7472025 —Jun 2025 Owner on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

0N261 Cumnor Ave

3 bd · 1 ba · 1,305 sqft · built 1959 · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$203,000May 2013 $7,8982025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

221 Cumnor Ave

3 bd · 2 ba · 2,656 sqft · built 1957 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$343,000Aug 2009 $13,6802025 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

228 Cumnor Ave

4 bd · 3.5 ba · 3,257 sqft · built 2017 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$280,000Jan 2015 $27,2662025 —Jun 2001 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

229 Cumnor Ave

3 bd · 1.5 ba · 1,899 sqft · built 1955 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$342,000Jun 2001 $11,9002025 Amount on Record Oct 1998 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

234 Cumnor Ave

3 bd · 1.5 ba · 2,392 sqft · built 1954 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Jun 2025 $12,1362025 Amount on Record Aug 2016 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

235 Cumnor Ave

3 bd · 3.5 ba · 2,600 sqft · built 1956 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$652,500Apr 2026 $12,7242025 Amount on Record Apr 2017 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

238 Cumnor Ave

3 ba · 3,895 sqft · built 2003 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$240,000Mar 2002 $23,3972025 Amount on Record Jul 2001 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

239 Cumnor Ave

4 bd · 4.5 ba · 5,026 sqft · built 2004 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$910,000Sep 2021 $25,9192025 Amount on Record Aug 2014 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

244 Cumnor Ave

3 bd · 2.5 ba · 2,464 sqft · built 1954 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$341,000Aug 2002 $13,2202025 Amount on Record Dec 1995 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

245 Cumnor Ave

4 bd · 3.5 ba · 3,646 sqft · built 2004 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$800,000Aug 2004 $24,2682025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

250 Cumnor Ave

3 bd · 2.5 ba · 2,392 sqft · built 1954 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jan 1997 $9,6002025 —Jun 1997 Owner on Record Owner Occupied AssessorUpdated Aug 2026

251 Cumnor Ave

3 bd · 1.5 ba · 1,584 sqft · built 1954 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$183,000Oct 1994 $10,6342025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

254 Cumnor Ave

3 bd · 2 ba · 3,328 sqft · built 1955 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,5092025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

255 Cumnor Ave

4 bd · 2 ba · 2,516 sqft · built 1961 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Oct 2025 $9,7772025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

260 Cumnor Ave

3 bd · 2 ba · 2,602 sqft · built 1956 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Apr 2015 $12,5702025 —Oct 1997 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

266 Cumnor Ave

2 ba · 1,758 sqft · built 1953 · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2001 $10,8372025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

268 Cumnor Ave

2.5 ba · 4,120 sqft · built 1953 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Aug 2021 $18,2402025 Amount on Record Nov 1994 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

274 Cumnor Ave

3 bd · 2 ba · 2,288 sqft · built 1954 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$407,000Jun 2021 $9,0232025 Amount on Record Apr 2017 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

280 Cumnor Ave

3 bd · 2 ba · 2,842 sqft · built 1954 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,6042025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

286 Cumnor Ave

3 bd · 2 ba · 2,112 sqft · built 1953 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1995 $9,3032025 Owner on Record AssessorUpdated Aug 2026

287 Cumnor Ave

3 bd · 2 ba · 4,468 sqft · built 1921 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,4592025 —Jun 1994 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

290 Cumnor Ave

4 bd · 2 ba · 3,120 sqft · built 1962 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,5342025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

296 Cumnor Ave

4 bd · 2 ba · 2,960 sqft · built 1954 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$497,000Jan 2004 $10,9302025 Amount on Record Jan 1997 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

297 Cumnor Ave

3 bd · 2.5 ba · 2,632 sqft · built 1955 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$355,000Sep 2020 $10,1182025 Amount on Record Oct 2014 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

300 Cumnor Ave

3 bd · 3.5 ba · 2,978 sqft · built 1925 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000May 2017 $12,8352025 Amount on Record May 1999 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

303 Cumnor Ave

5 bd · 2 ba · 3,771 sqft · built 1955 · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$713,000May 2025 $15,4942025 Amount on Record May 1999 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

323 Cumnor Ave

4 bd · 3 ba · 2,672 sqft · built 1954 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$474,500Jul 2006 $18,5642025 Amount on Record Nov 2005 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

324 Cumnor Ave

2 bd · 3.5 ba · 3,879 sqft · built 2002 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$780,000Mar 2014 $26,0532025 Amount on Record Dec 2001 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

328 Cumnor Ave

3 bd · 3.5 ba · 3,911 sqft · built 1955 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$325,750Dec 2010 $16,7512025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

329 Cumnor Ave

3 bd · 1.5 ba · 1,653 sqft · built 1956 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,5042025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

333 Cumnor Ave

3 bd · 1 ba · 1,682 sqft · built 1923 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,7142025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

334 Cumnor Ave

3 bd · 1.5 ba · 1,644 sqft · built 1955 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$503,500Oct 2022 $14,8612025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

340 Cumnor Ave

3 bd · 2 ba · 2,942 sqft · built 1955 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$227,000Jan 1997 $11,5632025 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

341 Cumnor Ave

4 bd · 3 ba · 2,960 sqft · built 1969 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$425,000Nov 2015 $17,1772025 —Sep 1996 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

344 Cumnor Ave

3 bd · 1.5 ba · 3,320 sqft · built 1953 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$335,000Oct 2013 $11,8282025 Amount on Record Apr 2010 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

350 Cumnor Ave

3 bd · 1.5 ba · 3,042 sqft · built 1954 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$195,500Apr 1997 $11,2392025 Amount on Record Apr 1996 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

354 Cumnor Ave

3 bd · 4.5 ba · 4,638 sqft · built 2016 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,113,879Nov 2015 $24,1302025 Amount on Record Apr 2014 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

360 Cumnor Ave

5 bd · 3.5 ba · 4,846 sqft · built 2009 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,026,000Jan 2024 $28,5262025 Amount on Record Jul 2009 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

363 Cumnor Ave

3 bd · 2 ba · 3,994 sqft · built 1955 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,4002025 —Jul 2004 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

366 Cumnor Ave

4 bd · 3.5 ba · 6,427 sqft · built 2010 · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$901,000Aug 2010 $30,2992025 Amount on Record Jul 2008 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

367 Cumnor Ave

3 bd · 1.5 ba · 1,433 sqft · built 1928 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$395,000Aug 2007 $9,9642025 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

371 Cumnor Ave

2 bd · 4.5 ba · 4,846 sqft · built 2024 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$335,000Dec 2021 $28,2982025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

372 Cumnor Ave

3 bd · 2.5 ba · 3,404 sqft · built 2016 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$312,000Jul 2013 $24,7532025 —Aug 1994 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

501 Cumnor Ave

3.5 ba · 4,862 sqft · built 2023 · 0.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,421,000Jun 2022 $30,9942025 Amount on Record Jun 2022 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

544 Cumnor Ave

2 bd · 2 ba · 1,627 sqft · built 1942 · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$154,500Oct 2010 $5,3742025 —Oct 2010 Owner on Record Owner Occupied AssessorUpdated Aug 2026

548 Cumnor Ave

3 bd · 3.5 ba · 4,182 sqft · built 1955 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$779,000Apr 2022 $16,2202025 Amount on Record Nov 2001 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

605 Cumnor Ave

2.5 ba · 3,492 sqft · built 1981 · 1.75 acres

Last Sale Tax Bill Prior Sale Owner Records
$575,000Jul 2021 $16,1752025 Amount on Record Oct 2012 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

615 Cumnor Ave

3 bd · 3 ba · 3,356 sqft · built 1955 · 0.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$376,500Aug 2015 $15,8532025 Amount on Record Nov 2010 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

629 Cumnor Ave

3 bd · 3 ba · 3,170 sqft · built 1974 · 0.489 acres

Last Sale Tax Bill Prior Sale Owner Records
$17,6042025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

630 Cumnor Ave

2 bd · 2 ba · 3,909 sqft · built 2016 · 1.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$380,000Apr 2013 $29,0062025 Amount on Record Aug 2000 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

632 Cumnor Ave

5 bd · 4 ba · 3,946 sqft · built 1957 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$765,000Dec 2023 $19,2782025 Amount on Record Sep 2013 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

640 Cumnor Ave

4 bd · 2 ba · 2,050 sqft · built 1954 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$337,000Nov 2016 $14,0852025 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

650 Cumnor Ave

0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$245,000Jul 2023 $3,0612025 —Jul 2022 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

Property Records in Nearby Streets