DuPage County property records for 33 addresses on Otis Ave, Downers Grove, IL · Last verified September 2026
| Properties | 33 |
|---|---|
| Median Sale Price | $470,000 |
| Deeds and Mortgages on File | 33 |
| Median Price per Sqft | $283 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $6,963 |
| Median Year Built | 1970 |
| Median Ownership Tenure | 17 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
205 Otis Ave |
1 ba · 875 sqft built 1957 · 0.169 acres | $115,000 Oct 1999 | $4,634 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
209 Otis Ave |
1 ba · 875 sqft built 1957 · 0.169 acres | $4,720 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
307 Otis Ave |
1 ba · 1,260 sqft built 1974 · 0.239 acres | $230,000 Dec 2001 | $7,043 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
310 Otis Ave |
2 ba · 1,385 sqft built 1971 · 0.219 acres | $6,847 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
311 Otis Ave |
1 ba · 1,242 sqft built 1970 · 0.18 acres | $5,254 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
315 Otis Ave |
2 ba · 1,148 sqft built 1969 · 0.18 acres | $5,236 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
317 Otis Ave |
2 ba · 1,374 sqft built 1969 · 0.18 acres | $335,000 Aug 2022 | $6,154 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
320 Otis Ave |
3 bd · 1 ba · 1,242 sqft built 1971 · 0.26 acres | $257,500 Jan 2004 | $5,503 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
323 Otis Ave |
2 ba · 1,228 sqft built 1969 · 0.18 acres | $169,000 Jan 2000 | $5,908 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
327 Otis Ave |
2 ba · 1,144 sqft built 1969 · 0.18 acres | $475,000 Jun 2025 | $5,806 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
330 Otis Ave |
1 ba · 1,204 sqft built 1972 · 0.26 acres | — Feb 2016 | $6,117 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
331 Otis Ave |
1 ba · 1,242 sqft built 1970 · 0.18 acres | $352,000 Jan 2022 | $5,782 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
335 Otis Ave |
2 ba · 1,242 sqft built 1970 · 0.18 acres | $183,500 Jul 1999 | $5,355 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
340 Otis Ave |
1 ba · 1,204 sqft built 1972 · 0.26 acres | $470,000 Jul 2024 | $5,912 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
405 Otis Ave |
2 ba · 1,400 sqft built 1956 · 0.18 acres | — May 2020 | $8,575 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
406 Otis Ave |
3.5 ba · 3,277 sqft built 2013 · 0.23 acres | $678,000 Nov 2013 | $19,446 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
410 Otis Ave |
4 ba · 3,780 sqft built 2018 · 0.18 acres | $892,500 Nov 2018 | $19,223 2025 | Assessor + 5 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
411 Otis Ave |
4 bd · 3.5 ba · 3,258 sqft built 2006 · 0.18 acres | $730,000 Feb 2010 | $18,963 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
414 Otis Ave |
1 ba · 1,372 sqft built 1953 · 0.18 acres | $8,855 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
415 Otis Ave |
3.5 ba · 3,042 sqft built 2013 · 0.18 acres | $605,000 Dec 2012 | $17,286 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
418 Otis Ave |
1 ba · 1,392 sqft built 1960 · 0.18 acres | — Apr 2005 | $8,670 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
419 Otis Ave |
2 ba · 1,595 sqft built 1955 · 0.18 acres | $8,385 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
422 Otis Ave |
1 ba · 1,590 sqft built 1956 · 0.269 acres | $390,000 Jul 2007 | $9,811 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
423 Otis Ave |
3.5 ba · 3,573 sqft built 2018 · 0.18 acres | $217,500 Oct 2016 | $18,653 2025 | Assessor + 5 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
424 Otis Ave |
2.5 ba · 2,344 sqft built 2005 · 0.18 acres | $117,500 May 1995 | $14,912 2025 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
425 Otis Ave |
1 ba · 1,104 sqft built 1955 · 0.18 acres | — Dec 1996 | $6,709 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
429 Otis Ave |
1 ba · 1,080 sqft built 1957 · 0.18 acres | $6,766 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
432 Otis Ave |
5 bd · 4 ba · 3,416 sqft built 2007 · 0.18 acres | $735,000 Apr 2008 | $18,730 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
433 Otis Ave |
5 bd · 3.5 ba · 2,679 sqft built 1956 · 0.18 acres | $62,500 Apr 2009 | $11,129 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
438 Otis Ave |
2 bd · 1.5 ba · 825 sqft built 1952 · 0.18 acres | $293,000 Dec 2021 | $6,652 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
439 Otis Ave |
3.5 ba · 2,626 sqft built 2001 · 0.18 acres | $515,000 Jun 2003 | $17,797 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
500 Otis Ave |
4 bd · 3.5 ba · 3,995 sqft built 2005 · 0.18 acres | $841,500 Jun 2005 | $22,478 2025 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
503 Otis Ave |
4 bd · 2 ba · 990 sqft built 1951 · 0.18 acres | $198,500 Aug 2009 | $6,963 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |