Williamson County property records for 4 addresses on Hidden Valley Dr, Round Rock, TX · Last verified August 2026
| Properties | 4 |
|---|---|
| Median Sale Price | $36,962,500 |
| Deeds and Mortgages on File | 6 |
| Median Price per Sqft | $123 |
| Median Annual Tax Bill | $1,169,529 |
| Median Year Built | 2013 |
| Median Ownership Tenure | 8 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
411,020 sqft · Built 2007 · 29.9 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $124,000Dec 2017 | $1,372,8472025 | Amount on Record Jul 2015 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
285,760 sqft · Built 2016 · 15.7 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $38,197,500Dec 2018 | $1,068,6792025 | 1 Name on Record | Assessor + 4 DocumentsUpdated Aug 2026 |
5 ba · 151,620 sqft · 9.84 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Oct 2020 | 1 Name on Record | AssessorUpdated Oct 2025 |
300,061 sqft · Built 2013 · 19.1 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $36,962,500Aug 2015 | $1,169,5292025 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |