Contra Costa County property records for 6 addresses on Rancho Diablo Rd, Byron, CA · Last verified July 2026
| Properties | 6 |
|---|---|
| Median Sale Price | $545,000 |
| Deeds and Mortgages on File | 12 |
| Median Price per Sqft | $148 |
| Owner Occupied | 83% |
| Median Annual Tax Bill | $14,688 |
| Median Year Built | 2002 |
| Median Ownership Tenure | 23 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2,142 sqft · built 2004 · 5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $310,000Mar 2003 | $9,1662025 | Amount on Record Sep 2002 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
2,127 sqft · built 1982 · 5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $170,000Dec 2000 | $12,9612025 | —May 2016 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
3,355 sqft · built 2004 · 5.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $170,000Nov 1999 | $14,6882025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3,073 sqft · built 2002 · 5.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,550,000Jul 2025 | $18,5662025 | Amount on Record Nov 2020 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,609 sqft · built 1999 · 1.12 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $545,000Oct 2000 | $11,2082025 | Amount on Record Sep 1999 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
7 bd · 5.5 ba · 4,505 sqft · built 1999 · 1.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $669,000Feb 2015 | $19,5832025 | Amount on Record Oct 2008 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | High this street's cells rank above 83% of the US · above 62% of California |
|---|---|
| Wildfire Likelihood | About 1 in 151 per year |
| Exposure | Direct 3 of 3 cells directly exposed · 3 adjoin burnable vegetation |