Contra Costa County property records for 42 addresses on Blackstone Dr, Walnut Creek, CA · Last verified August 2026
| Properties | 42 |
|---|---|
| Median Sale Price | $1,725,000 |
| Deeds and Mortgages on File | 97 |
| Median Price per Sqft | $739 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $10,796 |
| Median Year Built | 1964 |
| Median Ownership Tenure | 12 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2 ba · 2,094 sqft · built 1962 · 0.227 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,2012025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 2,062 sqft · built 1961 · 0.349 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,465,000Aug 2020 | $18,3682025 | Amount on Record Oct 2017 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 2,515 sqft · built 1961 · 0.276 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $310,000Jan 1991 | $6,9742025 | —Dec 2012 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2 ba · 2,032 sqft · built 1962 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $313,000Jul 2014 | $11,6932025 | Amount on Record Jun 2013 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 2,032 sqft · built 1962 · 0.235 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,235,000Nov 2018 | $15,9962025 | —Nov 2018 | 1 Name on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,575 sqft · built 1961 · 0.281 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $627,000Jun 2012 | $11,4392025 | Amount on Record May 2009 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,027 sqft · built 1961 · 0.344 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $340,000Jun 1991 | $7,5712025 | —Sep 2011 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2 ba · 2,032 sqft · built 1961 · 0.228 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,4642025 | —Dec 1998 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 2,032 sqft · built 1961 · 0.228 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,055,000May 2018 | $14,0432025 | Amount on Record Jun 2010 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2 ba · 1,968 sqft · built 1974 · 0.237 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,680,000Aug 2024 | $19,3502025 | —Sep 2021 | 2 Names on Record Owner Occupied | Assessor + 7 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 1,968 sqft · built 1974 · 0.238 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Apr 2016 | $7,2812025 | —Sep 2002 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2 ba · 1,968 sqft · built 1973 · 0.258 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,6972025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,683 sqft · built 1974 · 0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $729,000Mar 2013 | $10,7962025 | Amount on Record Nov 2003 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 2,444 sqft · built 1965 · 0.302 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $539,000Jul 2000 | $9,7702025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,207 sqft · built 1963 · 0.253 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,6042025 | —May 2001 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 2,364 sqft · built 1964 · 0.278 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,9852025 | —Feb 2020 | 1 Name on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,554 sqft · built 1963 · 0.257 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,300,000Aug 2020 | $16,9022025 | Amount on Record Aug 1998 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2 ba · 2,300 sqft · built 1963 · 0.308 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $584,000May 2001 | $10,5212025 | —May 2001 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,305 sqft · built 1964 · 0.262 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9602025 | —Sep 2017 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 1,941 sqft · built 1965 · 0.267 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $630,000Jul 2001 | $11,0782025 | Amount on Record Feb 2001 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2 ba · 2,074 sqft · built 1963 · 0.277 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,7312025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,570 sqft · built 1964 · 0.241 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,900,000May 2026 | $10,6562025 | Amount on Record Oct 2009 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 3,014 sqft · built 1964 · 0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,2102025 | —Oct 2006 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 2,074 sqft · built 1964 · 0.242 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $518,000Jul 2000 | $9,5882025 | —Jul 2000 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 2,150 sqft · built 1964 · 0.286 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $858,000Sep 2012 | $12,5462025 | Amount on Record Jul 2012 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,365 sqft · built 1964 · 0.283 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $899,000Jul 2014 | $12,7292025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
5 bd · 3.5 ba · 3,045 sqft · built 1965 · 0.279 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,100,000May 2025 | $18,4402025 | Amount on Record Dec 2004 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
2 bd · 2 ba · 2,026 sqft · built 1965 · 0.27 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,258,500May 2025 | $2,4932025 | —Mar 2021 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 2,074 sqft · built 1964 · 0.262 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $315,000Sep 1993 | $6,6502025 | —Jul 2020 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 2,200 sqft · built 1964 · 0.293 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $790,000Oct 2013 | $12,0452025 | —Sep 2020 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,298 sqft · built 1964 · 0.264 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,0202025 | —Dec 2012 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 2,628 sqft · built 1964 · 0.28 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $730,000May 2010 | $12,9212025 | —Sep 2020 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,040 sqft · built 1965 · 0.256 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $589,000Sep 2002 | $10,2232025 | —Nov 2012 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,492 sqft · built 1965 · 0.271 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,276,000Sep 2017 | $16,9072025 | —Aug 2017 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 2,074 sqft · built 1964 · 0.257 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,2292025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3 ba · 2,291 sqft · built 1965 · 0.308 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $780,000Nov 2013 | $12,7042025 | —Nov 2013 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 2,271 sqft · built 1965 · 0.358 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,390,000Feb 2019 | $17,9992025 | —Feb 2019 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
4 bd · 2 ba · 2,074 sqft · built 1964 · 0.265 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,775,000Sep 2021 | $18,7062025 | —Nov 2017 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 2,563 sqft · built 1965 · 0.265 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,725,000Dec 2021 | $21,0112025 | Amount on Record Dec 2013 | 2 Names on Record Owner Occupied | Assessor + 10 DocumentsUpdated Jul 2026 |
3 bd · 3 ba · 2,107 sqft · built 1966 · 0.228 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,775,000Jul 2021 | $21,6772025 | Amount on Record Jun 2018 | 2 Names on Record Owner Occupied | Assessor + 7 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,894 sqft · built 1971 · 0.275 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,7732025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,953 sqft · built 1965 · 0.253 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,625,000Jun 2026 | $11,2342025 | Amount on Record Dec 2014 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 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 23% of the US · above 14% of California |
|---|---|
| Wildfire Likelihood | About 1 in 5,882 per year |
| Exposure | Indirect 0 of 4 cells directly exposed · 3 adjoin burnable vegetation |