Contra Costa County property records for 13 addresses on Grothman Ln, Martinez, CA · Last verified August 2026
| Properties | 13 |
|---|---|
| Median Sale Price | $625,000 |
| Deeds and Mortgages on File | 20 |
| Median Price per Sqft | $292 |
| Owner Occupied | 77% |
| Median Annual Tax Bill | $10,454 |
| Median Year Built | 1951 |
| Median Ownership Tenure | 13 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1 bd · 1 ba · 1,182 sqft · 0.459 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Jul 2021 | $9,8152025 | Amount on Record Nov 1997 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 1,528 sqft · 0.489 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $760,000Jul 2019 | $10,6622025 | —Jul 2019 | 1 Name on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
3 bd · 1.5 ba · 2,526 sqft · 0.459 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $437,000Apr 2011 | $7,4812025 | —Apr 2011 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 1 ba · 1,118 sqft · 0.486 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $70,000Jan 1996 | $1,7052025 | —Jan 1996 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,772 sqft · 0.45 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000Nov 1999 | $6,0802025 | —Nov 1999 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 1 ba · 1,192 sqft · 0.309 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,6212025 | —Nov 2001 | 1 Name on Record | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 2,698 sqft · 0.486 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $85,000Dec 2024 | $13,1802025 | Amount on Record Dec 2014 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 2,263 sqft · 0.25 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $662,000Apr 2013 | $10,4542025 | Amount on Record Nov 2004 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
7 bd · 4 ba · 3,734 sqft · 0.486 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $346,000Apr 2013 | $13,7142025 | —Apr 2013 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 3 ba · 2,412 sqft · 0.4 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,6372025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 2,825 sqft · 0.439 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $585,000Sep 2013 | $11,5692025 | Amount on Record Nov 2006 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 3.5 ba · 2,959 sqft · 0.4 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $602,000Dec 2007 | $14,0562025 | —Dec 2007 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 1,689 sqft · 0.25 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $841,000Oct 2024 | $10,7742025 | —Apr 2007 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |