Contra Costa County property records for 11 addresses on Mount Tam Ct, Martinez, CA · Last verified August 2026
| Properties | 11 |
|---|---|
| Median Sale Price | $350,000 |
| Deeds and Mortgages on File | 12 |
| Median Price per Sqft | $178 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $6,014 |
| Median Year Built | 1978 |
| Median Ownership Tenure | 30 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
5 bd · 3 ba · 2,392 sqft · 0.555 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $100,500Nov 1984 | $5,0862025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 3 ba · 2,107 sqft · 0.268 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $112,500Dec 1978 | $4,7082025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,400 sqft · 0.33 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Mar 1992 | $6,3922025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
5 bd · 3 ba · 2,392 sqft · 0.198 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $264,000Aug 1996 | $6,0142025 | —Dec 2012 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 1,975 sqft · 0.176 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Apr 1999 | $7,3232025 | —Apr 1999 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 1,975 sqft · 0.216 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,7562025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 3 ba · 2,392 sqft · 0.17 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,028,000Nov 2025 | $6,5922025 | Amount on Record Feb 1994 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,826 sqft · 0.204 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $280,000Dec 1989 | $6,8702025 | —Feb 2001 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,148 sqft · 0.173 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $965,000Sep 2025 | $3,5312025 | —Feb 2022 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,400 sqft · 0.189 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $180,000Sep 1986 | $4,9322025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
6 bd · 3 ba · 2,392 sqft · 0.229 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $679,000Dec 2015 | $10,3992025 | Amount on Record Oct 2013 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |