McHenry County property records for 39 addresses on Harper Dr, Algonquin, IL · Last verified August 2026
| Properties | 39 |
|---|---|
| Median Sale Price | $469,000 |
| Deeds and Mortgages on File | 74 |
| Median Price per Sqft | $169 |
| Owner Occupied | 82% |
| Median Annual Tax Bill | $9,122 |
| Median Year Built | 1992 |
| Median Ownership Tenure | 7 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 5 ba · 3,112 sqft · 1.15 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $419,000Jan 2002 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated May 2024 |
5 bd · 5 ba · 3,810 sqft · 0.416 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $605,000Jun 2021 | —May 2017 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated May 2024 |
4 bd · 3 ba · 2,690 sqft · 0.476 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Jul 2019 | Amount on Record Mar 2007 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated May 2024 |
4 bd · 4 ba · 3,233 sqft · 1.18 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000Sep 2012 | Amount on Record Mar 2005 | 2 Names on Record Owner Occupied | AssessorUpdated May 2024 |
4 bd · 3 ba · 2,736 sqft · 0.464 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $302,500Sep 2000 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2024 |
4 bd · 4 ba · 3,233 sqft · 0.521 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Nov 1998 | Amount on Record May 1997 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2023 |
4 bd · 3 ba · 3,074 sqft · 0.412 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $515,000Mar 2022 | Amount on Record Apr 2018 | 2 Names on Record | Assessor + 1 DocumentUpdated May 2024 |
3 bd · 2 ba · 2,389 sqft · 0.568 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $542,000Jun 2022 | Amount on Record Oct 1994 | 2 Names on Record | Assessor + 1 DocumentUpdated May 2024 |
4 bd · 3 ba · 2,662 sqft · 0.386 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $408,000Aug 2021 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2024 |
4 bd · 3 ba · 3,846 sqft · 0.734 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,000Apr 2018 | Amount on Record Jul 2001 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated May 2024 |
4 bd · 4 ba · 3,171 sqft · 0.384 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $328,000Oct 2014 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2024 |
4 bd · 3 ba · 3,705 sqft · 0.931 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $452,000Apr 2021 | $12,9782024 | Amount on Record Jun 2017 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
4 bd · 4 ba · 2,775 sqft · 0.401 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $469,000Mar 2021 | Amount on Record Feb 2019 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2024 |
4 bd · 5 ba · 3,900 sqft · 1.57 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000Jun 2021 | Amount on Record Oct 2014 | 2 Names on Record | Assessor + 1 DocumentUpdated May 2024 |
4 bd · 2.5 ba · 4,836 sqft · 0.427 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $650,000Sep 2024 | $14,9852024 | Amount on Record Aug 2021 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 3 ba · 2,672 sqft · 0.381 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $476,000Oct 2021 | Amount on Record Feb 2019 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated May 2024 |
0.39 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $30,000Mar 2021 | $8592024 | Amount on Record Apr 2004 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 4 ba · 3,408 sqft · 0.441 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $275,000Jul 2012 | —Aug 2014 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated May 2024 |
0.495 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $60,000Sep 2025 | $1,0442024 | Amount on Record Jun 2021 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
4 bd · 4 ba · 3,072 sqft · 1.19 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | AssessorUpdated May 2024 |
4 bd · 4 ba · 2,642 sqft · 0.558 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $495,000Dec 2023 | Amount on Record Nov 2012 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2024 |
3 bd · 4 ba · 3,018 sqft · 1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $85,000Dec 2000 | —Oct 2002 | 1 Name on Record Owner Occupied | AssessorUpdated May 2024 |
4 bd · 3 ba · 2,535 sqft · 0.621 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $430,000Nov 2021 | $13,9872024 | Amount on Record Jul 2018 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
3 bd · 3 ba · 2,849 sqft · 0.624 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $697,500Jun 2023 | Amount on Record Jun 2017 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated May 2024 |
3 bd · 4 ba · 3,153 sqft · 1.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Sep 2003 | —Dec 2003 | 2 Names on Record | Assessor + 3 DocumentsUpdated May 2024 |
3 bd · 4 ba · 3,286 sqft · 0.627 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 2001 | 1 Name on Record Owner Occupied | AssessorUpdated May 2024 |
3 bd · 2 ba · 1,792 sqft · 0.778 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | AssessorUpdated May 2024 |
4 bd · 4 ba · 1,968 sqft · 0.931 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | AssessorUpdated May 2024 |
3 bd · 4 ba · 3,186 sqft · 0.661 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Jan 2021 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated May 2024 |
3 ba · 2,345 sqft · 0.858 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $228,000Feb 1996 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated May 2024 |
3 ba · 1,232 sqft · 1.04 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $210,000Jul 1998 | Amount on Record Oct 1997 | 1 Name on Record | AssessorUpdated May 2024 |
3 bd · 2 ba · 1,929 sqft · 0.851 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Aug 2019 | Amount on Record Mar 2019 | 2 Names on Record | Assessor + 2 DocumentsUpdated May 2024 |
4 bd · 2 ba · 1,308 sqft · 1.51 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $222,000Jul 2001 | Amount on Record Feb 2000 | 1 Name on Record Owner Occupied | AssessorUpdated May 2024 |
4 bd · 4 ba · 2,432 sqft · 0.696 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Jul 2001 | Amount on Record May 1998 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2024 |
2 bd · 2 ba · 1,523 sqft · 1.73 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000Sep 2023 | —Aug 2019 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2024 |
4 bd · 2.5 ba · 2,332 sqft · 0.785 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $263,000Jun 2019 | $8,9652024 | Amount on Record Nov 2000 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 3 ba · 1,512 sqft · 0.761 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Oct 2018 | Amount on Record May 2010 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated May 2024 |
4 bd · 3 ba · 2,464 sqft · 0.767 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $259,900Jun 2014 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated May 2024 |
2 ba · 1,736 sqft · 1.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $385,000Sep 2025 | $9,1222024 | Amount on Record Jun 2019 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Feb 2026 |