Contra Costa County property records for 19 addresses on Semillon Cir, Clayton, CA · Last verified August 2026
| Properties | 19 |
|---|---|
| Median Sale Price | $980,000 |
| Deeds and Mortgages on File | 26 |
| Median Price per Sqft | $471 |
| Owner Occupied | 95% |
| Median Annual Tax Bill | $8,553 |
| Median Year Built | 1978 |
| Median Ownership Tenure | 15 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2.5 ba · 2,032 sqft · 0.29 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $436,000Mar 2001 | $8,5252025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,010 sqft · 0.33 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $294,500Dec 1996 | $6,5672025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,391 sqft · 0.296 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $501,000Mar 2001 | $9,7402025 | —Mar 2001 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,078 sqft · 0.338 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Feb 1994 | $6,3392025 | —Feb 1994 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 2,375 sqft · 0.296 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $788,000Dec 2015 | $8,9312025 | —Dec 2015 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,390 sqft · 0.338 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Mar 1999 | $7,9252025 | —Dec 2012 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,391 sqft · 0.296 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,295,000Mar 2026 | $2,0942025 | Amount on Record Jan 2026 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 2,115 sqft · 0.33 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $248,000Jul 1997 | $2,4212025 | —Oct 2014 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,032 sqft · 0.303 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $525,000Oct 2011 | $8,5532025 | Amount on Record Aug 2011 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,048 sqft · 0.303 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $965,000Aug 2026 | $10,1772025 | Amount on Record Jun 2013 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 2,115 sqft · 0.33 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $792,000Oct 2018 | $11,1032025 | —Oct 1999 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,078 sqft · 0.296 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,262,000Mar 2025 | $12,6092025 | Amount on Record Apr 2024 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 2,390 sqft · 0.296 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $285,000Dec 1992 | $6,8252025 | —Mar 2018 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,390 sqft · 0.296 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Jul 1996 | $6,1272025 | Amount on Record Apr 1996 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 3.5 ba · 2,078 sqft · 0.296 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $980,000Aug 2020 | $13,0572025 | Amount on Record Oct 2013 | 2 Names on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
5 bd · 3.5 ba · 2,627 sqft · 0.296 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,550,000May 2022 | $15,9092025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,390 sqft · 0.33 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000Mar 2022 | $14,1662025 | Amount on Record Oct 2013 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2.5 ba · 2,390 sqft · 0.315 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $639,000Apr 2012 | $10,2092025 | —Jan 1996 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,032 sqft · 0.298 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $422,000Apr 2004 | $3,7272025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |