Contra Costa County property records for 11 addresses on Bonny Doone, Hercules, CA · Last verified July 2026
| Properties | 11 |
|---|---|
| Median Sale Price | $395,000 |
| Deeds and Mortgages on File | 21 |
| Median Price per Sqft | $262 |
| Owner Occupied | 73% |
| Median Annual Tax Bill | $5,721 |
| Median Year Built | 1990 |
| Median Ownership Tenure | 15 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 2.5 ba · 1,570 sqft · built 1990 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $473,000Aug 2016 | $8,6902025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,743 sqft · built 1990 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $180,000May 1997 | $5,5082025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,507 sqft · built 1990 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,000Oct 2003 | $8,8482025 | —Aug 2003 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,570 sqft · built 1990 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $640,000Feb 2026 | $8,2452025 | Amount on Record Feb 2018 | 1 Name on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 1,570 sqft · built 1989 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $232,000Oct 2011 | $5,4722025 | Amount on Record Aug 2011 | 2 Names on Record | Assessor + 8 DocumentsUpdated Jul 2026 |
2 bd · 2.5 ba · 1,395 sqft · built 1990 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $174,000Aug 1998 | $5,1312025 | Amount on Record Dec 1997 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,507 sqft · built 1990 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $78,000Dec 2011 | $5,5522025 | —Dec 2011 | 1 Name on Record | AssessorUpdated Jul 2026 |
3 bd · 2.5 ba · 1,743 sqft · built 1990 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000May 1999 | $6,0842025 | Amount on Record Mar 1999 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,570 sqft · built 1990 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $770,000Jun 2024 | $11,7452025 | Amount on Record Oct 2019 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 1,743 sqft · built 1990 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $195,000Dec 1992 | $5,6112025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 2.5 ba · 1,395 sqft · built 1990 · 0.075 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2012 | $5,7212025 | —Jul 2003 | 1 Name on Record | AssessorUpdated Jul 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 |