DuPage County property records for 21 addresses on Harold Ave, Glendale Heights, IL · Last verified September 2026
| Properties | 21 |
|---|---|
| Median Sale Price | $230,000 |
| Deeds and Mortgages on File | 20 |
| Median Price per Sqft | $194 |
| Owner Occupied | 95% |
| Median Annual Tax Bill | $8,114 |
| Median Year Built | 1962 |
| Median Ownership Tenure | 8 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
510 Harold Ave |
4 bd · 1.5 ba · 1,862 sqft built 1963 · 0.2 acres | $6,226 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
514 Harold Ave |
3 bd · 1.5 ba · 1,503 sqft built 1962 · 0.169 acres | $195,000 Jul 2003 | $8,298 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
518 Harold Ave |
3 bd · 1.5 ba · 1,594 sqft built 1969 · 0.16 acres | $163,500 Nov 2015 | $8,550 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
522 Harold Ave |
3 bd · 1 ba · 1,008 sqft built 1962 · 0.16 acres | — Jun 2020 | $6,900 2025 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
523 Harold Ave |
3 bd · 1 ba · 948 sqft built 1961 · 0.18 acres | $186,000 Jul 2008 | $6,949 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
526 Harold Ave |
3 bd · 1 ba · 1,008 sqft built 1962 · 0.16 acres | $100,000 Nov 1996 | $5,764 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
529 Harold Ave |
3 bd · 1.5 ba · 1,594 sqft built 1969 · 0.16 acres | $8,074 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
530 Harold Ave |
3 bd · 1.5 ba · 1,261 sqft built 1969 · 0.16 acres | $180,000 Aug 2015 | $8,241 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
533 Harold Ave |
3 bd · 1.5 ba · 1,503 sqft built 1963 · 0.16 acres | $197,000 Apr 2018 | $8,298 2025 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
534 Harold Ave |
3 bd · 1.5 ba · 1,855 sqft built 1963 · 0.16 acres | $9,735 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
537 Harold Ave |
3 bd · 1.5 ba · 1,227 sqft built 1969 · 0.16 acres | $160,500 Oct 2001 | $7,495 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
538 Harold Ave |
3 bd · 1.5 ba · 1,503 sqft built 1962 · 0.16 acres | $292,500 Dec 2024 | $8,540 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
541 Harold Ave |
3 bd · 1.5 ba · 1,503 sqft built 1963 · 0.16 acres | $335,000 Oct 2024 | $8,540 2025 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
542 Harold Ave |
3 bd · 1.5 ba · 1,594 sqft built 1969 · 0.16 acres | — May 2018 | $8,678 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
545 Harold Ave |
3 bd · 1 ba · 948 sqft built 1960 · 0.16 acres | — Nov 1995 | $2,910 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
546 Harold Ave |
3 bd · 1.5 ba · 1,503 sqft built 1962 · 0.16 acres | $230,000 Apr 2022 | $8,114 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
549 Harold Ave |
2 bd · 1.5 ba · 1,503 sqft built 1962 · 0.16 acres | $135,000 Feb 2013 | $8,376 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
550 Harold Ave |
3 bd · 1 ba · 1,224 sqft built 1961 · 0.16 acres | $7,746 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
553 Harold Ave |
3 bd · 1 ba · 948 sqft built 1960 · 0.16 acres | $7,325 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
554 Harold Ave |
3 bd · 1 ba · 1,008 sqft built 1961 · 0.18 acres | $200,000 Apr 2021 | $6,953 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
557 Harold Ave |
3 bd · 1.5 ba · 1,503 sqft built 1962 · 0.189 acres | $320,000 Sep 2023 | $8,317 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |