Walworth County property records for 10 addresses on Observatory Pl, Williams Bay, WI · Last verified July 2026
| Properties | 10 |
|---|---|
| Median Sale Price | $218,500 |
| Deeds and Mortgages on File | 19 |
| Owner Occupied | 80% |
| Median Annual Tax Bill | $3,335 |
| Median Ownership Tenure | 6 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.444 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,8482025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
0.444 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,0762025 | 2 Names on Record Owner Occupied | AssessorUpdated Feb 2026 |
1.91 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $247,900Jun 2020 | $3,2642025 | Amount on Record Dec 2019 | 2 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Feb 2026 |
0.442 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $218,500Sep 2009 | $4,3432025 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Apr 2026 |
1.15 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $150,000Jul 2019 | $4,0432025 | Amount on Record Aug 2006 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Feb 2026 |
0.737 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Feb 2021 | $3,2732025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Feb 2026 |
0.444 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $183,000Jul 2012 | $3,3352025 | 2 Names on Record | AssessorUpdated Feb 2026 |
0.444 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,3602025 | 2 Names on Record Owner Occupied | AssessorUpdated Feb 2026 |
0.866 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 2022 | $3,1992025 | —Jun 2022 | 1 Name on Record | Assessor + 3 DocumentsUpdated Feb 2026 |
0.441 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,5062025 | 2 Names on Record Owner Occupied | AssessorUpdated Feb 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Low this street's cells rank above 9% of the US · above 26% of Wisconsin |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Direct 1 of 3 cells directly exposed · 3 adjoin burnable vegetation |