Contra Costa County property records for 21 addresses on Obsidian Way, Clayton, CA · Last verified August 2026
| Properties | 21 |
|---|---|
| Median Sale Price | $1,300,000 |
| Deeds and Mortgages on File | 42 |
| Median Price per Sqft | $412 |
| Owner Occupied | 95% |
| Median Annual Tax Bill | $12,618 |
| Median Year Built | 1994 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3 ba · 2,966 sqft · built 1994 · 0.168 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $990,000Dec 2019 | $13,5962025 | Amount on Record Jul 2009 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 2,455 sqft · built 1994 · 0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,310,000Jun 2021 | $14,9342025 | Amount on Record Apr 2002 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 2,981 sqft · built 1995 · 0.184 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,075,000Apr 2018 | $15,1462025 | Amount on Record Oct 2009 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 3,008 sqft · built 1994 · 0.259 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,300,000Apr 2024 | $16,2812025 | Amount on Record Dec 2020 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 2,455 sqft · built 1994 · 0.203 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $605,000May 2001 | $11,6312025 | Amount on Record Jun 1995 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,981 sqft · built 1994 · 0.346 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,488,000Nov 2021 | $16,2672025 | Amount on Record Dec 2017 | 2 Owners on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jul 2026 |
5 bd · 3.5 ba · 3,454 sqft · built 1994 · 0.203 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,300,000Jun 2026 | $15,5812025 | Amount on Record Feb 2020 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,981 sqft · built 1994 · 0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,138,000Mar 2021 | $15,2422025 | Amount on Record Nov 2005 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 3,008 sqft · built 1994 · 0.188 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,015,000Jun 2020 | $13,8762025 | Amount on Record Nov 2019 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,448 sqft · built 1994 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $374,000Mar 1995 | $8,5902025 | —Jan 2007 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 3.5 ba · 3,454 sqft · built 1995 · 0.186 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $493,000Mar 1999 | $10,1002025 | Amount on Record Apr 1995 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 3 ba · 3,596 sqft · built 1994 · 0.285 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $775,000Jul 2003 | $13,7302025 | Amount on Record Sep 1995 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 2,455 sqft · built 1994 · 0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000Dec 2000 | $11,5482025 | Amount on Record May 1997 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 2,455 sqft · built 1995 · 0.208 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $630,000Jun 2011 | $10,4792025 | Amount on Record Jan 2002 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,448 sqft · built 1995 · 0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $422,000Jul 1998 | $9,2752025 | Amount on Record Nov 1995 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 2,455 sqft · built 1995 · 0.197 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $626,000Oct 2010 | $10,4162025 | Amount on Record Aug 1995 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3 ba · 3,008 sqft · built 1995 · 0.173 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,240,000Oct 2023 | $15,5302025 | Amount on Record Dec 2013 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 3,162 sqft · built 1995 · 0.186 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $720,000Jul 2012 | $11,4322025 | Amount on Record Mar 2002 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 3,008 sqft · built 1995 · 0.186 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $891,000Aug 2018 | $12,6182025 | Amount on Record Dec 2000 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 3,008 sqft · built 1995 · 0.227 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $692,500Sep 2012 | $11,0592025 | Amount on Record Jul 1997 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,981 sqft · built 1995 · 0.254 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $610,000Sep 2011 | $10,6862025 | Amount on Record Feb 2011 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |