McHenry County property records for 80 addresses on Harnish Dr, Algonquin, IL · Last verified August 2026
| Properties | 80 |
|---|---|
| Median Sale Price | $521,500 |
| Deeds and Mortgages on File | 125 |
| Median Price per Sqft | $261 |
| Owner Occupied | 41% |
| Median Annual Tax Bill | $197 |
| Median Year Built | 2006 |
| Median Ownership Tenure | 4 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 2 ba · 1,313 sqft · 0.528 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | AssessorUpdated May 2024 |
3 bd · 3 ba · 1,333 sqft · 0.612 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $237,000Sep 2017 | Amount on Record Aug 2003 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2024 |
81.6 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Sep 2004 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2023 |
10,100 sqft · Built 2000 · 0.864 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,100,000Nov 2017 | —Jun 2014 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
16,128 sqft · Built 2002 · 1.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,100,000Nov 2017 | —Jun 2014 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
16,128 sqft · Built 2005 · 1.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,100,000Nov 2017 | —Jun 2014 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
10,564 sqft · Built 2002 · 1.39 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,250,000Oct 2016 | 1 Name on Record | Assessor + 2 DocumentsUpdated May 2024 |
9,668 sqft · Built 2002 · 1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $622,500Jan 2022 | $32,4992024 | Amount on Record Nov 2001 | 1 Name on Record | Assessor + 3 DocumentsUpdated Apr 2026 |
1.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $609,840Mar 2002 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2023 |
41.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 2006 | —May 1996 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2023 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $495,000Feb 2026 | $1972024 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Mar 2026 |
0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $470,000Dec 2025 | $1972024 | Amount on Record Mar 2024 | 2 Names on Record | Assessor + 2 DocumentsUpdated May 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $525,000Sep 2025 | $1972024 | Amount on Record Nov 2021 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2025 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $480,000Dec 2025 | $1972024 | Amount on Record Mar 2024 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jan 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | AssessorUpdated Aug 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000Sep 2022 | $8,8812024 | —Sep 2022 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
2 bd · 2 ba · 2,140 sqft · 0.286 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $575,000Apr 2026 | $10,8122024 | Amount on Record Apr 2024 | 1 Name on Record | Assessor + 4 DocumentsUpdated May 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Feb 2024 | Amount on Record Aug 2022 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Mar 2024 |
2 bd · 2 ba · 2,140 sqft · 0.263 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2016 | $4,8812024 | Amount on Record Mar 2006 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $320,000Aug 2022 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2023 |
2 bd · 2 ba · 2,140 sqft · 0.241 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $353,881Dec 2005 | 1 Name on Record Owner Occupied | AssessorUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Jun 2022 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2024 |
0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | AssessorUpdated Aug 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $369,000Jun 2022 | 2 Names on Record | Assessor + 2 DocumentsUpdated May 2024 |
2 bd · 2 ba · 2,140 sqft · 0.311 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $362,562Jan 2006 | 1 Name on Record Owner Occupied | AssessorUpdated May 2024 |
2 bd · 2 ba · 1,785 sqft · 0.175 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $429,000Jun 2023 | —Feb 2020 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2024 |
2 bd · 2 ba · 1,695 sqft · 0.213 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $442,500Oct 2023 | $9,7592024 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jan 2026 |
2 bd · 2 ba · 1,695 sqft · 0.175 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Mar 2012 | $5,6092024 | Amount on Record Oct 2010 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $542,000Jul 2025 | $1972024 | Amount on Record Jul 2023 | 2 Names on Record | Assessor + 2 DocumentsUpdated Oct 2025 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Aug 2022 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2023 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $521,500Aug 2025 | $1972024 | Amount on Record Jul 2023 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jan 2026 |
2 bd · 2 ba · 2,140 sqft · 0.182 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2006 | 1 Name on Record Owner Occupied | AssessorUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $548,000May 2025 | $1972024 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Feb 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000Feb 2024 | Amount on Record Jan 2023 | 3 Names on Record | Assessor + 2 DocumentsUpdated May 2024 |
0.175 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $551,000Jul 2025 | $1972024 | 2 Names on Record | Assessor + 2 DocumentsUpdated Apr 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000Feb 2024 | Amount on Record Jan 2023 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2024 |
0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2019 | Amount on Record Aug 2008 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2023 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000Apr 2024 | Amount on Record Jan 2023 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $862,000Jul 2023 | 1 Name on Record | Assessor + 2 DocumentsUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $428,500Apr 2024 | Amount on Record Jan 2023 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2024 |
2 bd · 2 ba · 1,785 sqft · 0.211 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $327,800Feb 2006 | 1 Name on Record Owner Occupied | AssessorUpdated May 2024 |
2 bd · 2 ba · 2,140 sqft · 0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2019 | Amount on Record Aug 2006 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2024 |
3 bd · 2 ba · 2,041 sqft · 0.195 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Feb 2014 | —Jul 2013 | 1 Name on Record | AssessorUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | AssessorUpdated Jul 2023 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $806,500Sep 2022 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Jun 2024 | $1972024 | 2 Names on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $806,500Sep 2022 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $806,500Sep 2022 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $806,500Sep 2022 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $806,500Sep 2022 | 1 Name on Record | Assessor + 2 DocumentsUpdated May 2024 |
0.163 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Aug 2024 | $1972024 | 2 Names on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $426,000Apr 2024 | Amount on Record Sep 2022 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2024 |
0.159 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $375,000May 2024 | $5,4882024 | 2 Names on Record | Assessor + 1 DocumentUpdated May 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $822,500Jan 2023 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | AssessorUpdated Aug 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | Assessor + 3 DocumentsUpdated May 2024 |
0.188 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $385,000Jun 2026 | $1972024 | Amount on Record Dec 2024 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,500Mar 2023 | 1 Name on Record | Assessor + 2 DocumentsUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,500Mar 2023 | 1 Name on Record | Assessor + 2 DocumentsUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $358,000Jan 2025 | $1972024 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Nov 2025 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,500Mar 2023 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000May 2024 | Amount on Record Mar 2023 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
0.191 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $385,000Mar 2026 | $1972024 | Amount on Record May 2025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
0.284 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | AssessorUpdated Aug 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2021 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $862,000Jul 2023 | 1 Name on Record | Assessor + 2 DocumentsUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,500Mar 2023 | 1 Name on Record | Assessor + 3 DocumentsUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,500Mar 2023 | 1 Name on Record | Assessor + 2 DocumentsUpdated May 2024 |
0.256 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $474,000Dec 2024 | $1972024 | —Dec 2024 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,500Mar 2023 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,500Mar 2023 | 1 Name on Record | Assessor + 2 DocumentsUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,500Mar 2023 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,500Mar 2023 | 1 Name on Record | Assessor + 2 DocumentsUpdated May 2024 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Mar 2025 | $1972024 | Amount on Record Mar 2023 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jan 2026 |
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,500Mar 2023 | 1 Name on Record | Assessor + 1 DocumentUpdated May 2024 |