McHenry County property records for 34 addresses on Altenburg Rd, Harvard, IL · Last verified October 2026
| Properties | 34 |
|---|---|
| Median Sale Price | $350,000 |
| Deeds and Mortgages on File | 29 |
| Median Price per Sqft | $189 |
| Owner Occupied | 74% |
| Median Annual Tax Bill | $7,436 |
| Median Year Built | 1975 |
| Median Ownership Tenure | 14 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7112 Altenburg Rd |
2 ba · 1,608 sqft built 1974 · 4.38 acres | $235,000 Jun 2004 | Assessor Updated May 2024 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17020 Altenburg Rd |
1 ba · 1,984 sqft built 1920 · 20 acres | Assessor Updated May 2024 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17204 Altenburg Rd |
3 bd · 2 ba · 1,200 sqft built 1970 · 40 acres | $455,000 Nov 2021 | Assessor + 2 Documents Updated May 2024 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17608 Altenburg Rd |
3 bd · 2 ba · 1,512 sqft built 1975 · 9.53 acres | $185,000 Nov 2012 | Assessor Updated May 2024 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17615 Altenburg Rd |
2 ba · 1,230 sqft built 2014 · 20 acres | — May 2021 | Assessor + 2 Documents Updated May 2024 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17801 Altenburg Rd |
3 ba · 2,080 sqft built 1975 · 30 acres | — Aug 1997 | Assessor Updated May 2024 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17901 Altenburg Rd |
2 ba · 4,082 sqft built 1962 · 5 acres | $350,000 Feb 2023 | $7,436 2024 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17913 Altenburg Rd |
3 bd · 2 ba · 2,804 sqft built 1989 · 5 acres | $368,000 Apr 2007 | Assessor + 1 Document Updated May 2024 | 3 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17917 Altenburg Rd |
3 ba · 4,880 sqft built 2001 · 10 acres | $80,000 May 1998 | $9,767 2024 | Assessor + 2 Documents Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18014 Altenburg Rd |
2 ba · 1,932 sqft built 1971 · 9.53 acres | $226,000 Jan 2001 | Assessor Updated May 2024 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18015 Altenburg Rd |
3.5 ba · 4,318 sqft built 1980 · 10 acres | $9,027 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18105 Altenburg Rd |
3 ba · 1,831 sqft built 1970 · 6.28 acres | $165,000 Oct 1998 | Assessor Updated May 2024 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18108 Altenburg Rd |
3 ba · 1,300 sqft built 1984 · 7.8 acres | $216,500 Jul 2016 | $4,829 2024 | Assessor + 1 Document Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18117 Altenburg Rd |
1 ba · 1,504 sqft built 1960 · 11.8 acres | — Oct 1983 | Assessor Updated May 2024 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18201 Altenburg Rd |
5 bd · 2 ba · 2,760 sqft built 1984 · 10 acres | $227,000 Apr 2013 | Assessor + 1 Document Updated May 2024 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18407 Altenburg Rd |
2 ba · 2,304 sqft built 2014 · 8.2 acres | $120,000 Oct 2004 | $5,541 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18502 Altenburg Rd |
1 ba · 6,898 sqft built 1973 · 40 acres | $1,842,500 Sep 2016 | $14,422 2024 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18515 Altenburg Rd |
2 ba · 2,544 sqft built 1983 · 10 acres | Assessor + 1 Document Updated May 2024 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18611 Altenburg Rd |
2 ba · 1,191 sqft built 1950 · 9.91 acres | $308,000 Oct 2025 | $9,396 2024 | Assessor + 2 Documents Updated Dec 2025 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18619 Altenburg Rd |
2 ba · 1,530 sqft built 1966 · 9.96 acres | $250,000 Sep 2000 | Assessor Updated May 2024 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18709 Altenburg Rd |
2 ba · 1,823 sqft built 1971 · 5.05 acres | $300,000 Mar 2021 | Assessor + 2 Documents Updated May 2024 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18801 Altenburg Rd |
2.5 ba · 5,250 sqft built 1995 · 5.18 acres | $360,000 Jul 2015 | $10,737 2024 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18802 Altenburg Rd |
3 bd · 1 ba · 3,264 sqft built 1920 · 80 acres | $1,842,500 Aug 2013 | $5,976 2024 | Assessor Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18814 Altenburg Rd |
2 ba · 924 sqft built 1977 · 2.56 acres | — Apr 2006 | $1,533 2022 | Assessor Updated May 2024 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19007 Altenburg Rd |
3 ba · 8,282 sqft built 1984 · 11 acres | $160,000 Jan 2021 | $512 2024 | Assessor + 2 Documents Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19010 Altenburg Rd |
2 ba · 2,544 sqft built 1999 · 3.81 acres | Assessor Updated May 2024 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19019 Altenburg Rd |
2 ba · 2,160 sqft built 1970 · 5.26 acres | — Mar 1994 | Assessor Updated May 2024 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19021 Altenburg Rd |
4 ba · 4,226 sqft built 1950 · 24.3 acres | $800,000 Jan 2019 | $17,499 2024 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19111 Altenburg Rd |
1 ba · 2,800 sqft built 1970 · 5.06 acres | $180,000 Jun 2002 | Assessor Updated May 2024 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19112 Altenburg Rd |
4 bd · 2 ba · 3,360 sqft built 2004 · 1.78 acres | $178,000 Jun 2012 | $6,302 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19117 Altenburg Rd |
3 ba · 5,862 sqft built 1974 · 5.08 acres | $180,000 Jun 2002 | Assessor Updated May 2024 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19120 Altenburg Rd |
2 ba · 1,980 sqft built 1991 · 1.77 acres | — Aug 2002 | Assessor Updated May 2024 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19209 Altenburg Rd |
4 bd · 3 ba · 2,184 sqft built 1975 · 2.81 acres | $180,000 Nov 2021 | $5,998 2024 | Assessor + 3 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19327 Altenburg Rd |
3 ba · 2,080 sqft built 1989 · 2.37 acres | — Jan 2023 | Assessor + 1 Document Updated May 2024 | 2 Owners on File |