McHenry County property records for 10 addresses on Cog Cir, Crystal Lake, IL · Last verified October 2026
| Properties | 10 |
|---|---|
| Median Sale Price | $1,825,000 |
| Deeds and Mortgages on File | 10 |
| Median Price per Sqft | $124 |
| Median Year Built | 2001 |
| Median Ownership Tenure | 15 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
625 Cog Cir |
14,761 sqft built 2005 · 2.01 acres | $1,035,773 Jul 2004 | Assessor Updated May 2024 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
720 Cog Cir |
18,227 sqft built 2007 · 2.72 acres | $1,825,000 Jul 2011 | Assessor Updated May 2024 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
800 Cog Cir |
56,310 sqft built 1992 · 5.18 acres | $7,000,000 Mar 2025 | $103,722 2024 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
805 Cog Cir |
6,709 sqft built 2001 · 1.7 acres | $2,510,000 Feb 2005 | Assessor Updated May 2024 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
815 Cog Cir |
12,188 sqft built 2002 · 1.12 acres | $4,400,000 May 2022 | $81,181 2024 | Assessor + 2 Documents Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
855 Cog Cir |
1.05 acres | Assessor Updated May 2024 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
890 Cog Cir |
5,120 sqft built 1965 · 1.55 acres | $128,065 Dec 2005 | Assessor + 2 Documents Updated May 2024 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
920 Cog Cir |
9,912 sqft built 1989 · 1.24 acres | — Jan 2023 | Assessor + 2 Documents Updated May 2024 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4808 Cog Cir |
161,610 sqft built 1999 · 15 acres | — Mar 2003 | Assessor Updated May 2024 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
6919 Cog Cir |
2.15 acres | $1,000,000 May 2019 | Assessor + 1 Document Updated May 2024 | Owner on File |