Contra Costa County property records for 23 addresses on Karen Ln, Martinez, CA · Last verified August 2026
| Properties | 23 |
|---|---|
| Median Sale Price | $505,000 |
| Deeds and Mortgages on File | 35 |
| Median Price per Sqft | $446 |
| Owner Occupied | 83% |
| Median Annual Tax Bill | $4,618 |
| Median Year Built | 1954 |
| Median Ownership Tenure | 17 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2 ba · 1,656 sqft · built 1954 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $740,000Feb 2026 | $9,0142025 | Amount on Record Jun 2022 | 2 Owners on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,345 sqft · built 1954 · 0.144 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $331,000Oct 2013 | $5,8422025 | Amount on Record Feb 2013 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,362 sqft · built 1954 · 0.141 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,0782025 | —Jan 2009 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,294 sqft · built 1954 · 0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $485,000Sep 2019 | $7,2872025 | —Sep 2019 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.129 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $199,000Oct 2000 | $4,6182025 | —Oct 2006 | Owner on Record | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.147 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $105,000Mar 1994 | $3,5902025 | —Nov 1997 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,488 sqft · built 1954 · 0.128 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $155,000Apr 1990 | $4,2922025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.154 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $112,000Dec 1994 | $3,2462025 | Amount on Record Nov 1993 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 1,357 sqft · built 1954 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $190,000Sep 2009 | $3,9882025 | Amount on Record Jul 2009 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.132 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,7372025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.176 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $610,000Mar 2022 | $7,8732025 | Amount on Record — | 2 Owners on Record | Assessor + 5 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.132 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Jun 2021 | $6,1602025 | Amount on Record Nov 2009 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,497 sqft · built 1954 · 0.141 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $190,000Mar 2011 | $2,0072025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.127 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000Oct 2023 | $8,1512025 | Amount on Record Dec 2004 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.132 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $260,000Dec 2001 | $5,5932025 | —Feb 2013 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,621 sqft · built 1954 · 0.127 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,0652025 | —Jul 2007 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,717 sqft · built 1954 · 0.128 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 2003 | $5,2812025 | Amount on Record Nov 2001 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.127 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $385,000Dec 2004 | $7,3582025 | —Dec 2004 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.128 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $505,000Oct 2019 | $7,5412025 | Amount on Record Jun 2010 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,308 sqft · built 1954 · 0.127 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 2006 | $2,5102025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.127 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2017 | $2,6402025 | —Jan 2016 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,092 sqft · built 1954 · 0.127 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $117,500Nov 1994 | $3,3532025 | —Nov 1994 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,415 sqft · built 1957 · 0.309 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $299,000Dec 2002 | $6,0792025 | —Dec 2002 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |