Contra Costa County property records for 6 units in 4810 Blum Rd, Martinez, CA · Last verified October 2026
| Properties | 6 |
|---|---|
| Median Sale Price | $305,000 |
| Deeds and Mortgages on File | 16 |
| Median Price per Sqft | $399 |
| Owner Occupied | 50% |
| Median Annual Tax Bill | $4,558 |
| Median Year Built | 1973 |
| Median Ownership Tenure | 4 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4810, Apt 1 Blum Rd |
2 bd · 1 ba · 763 sqft built 1973 · 0.018 acres | $239,000 Sep 2020 | $3,979 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4810, Apt 2 Blum Rd |
2 bd · 1 ba · 763 sqft built 1973 · 0.017 acres | $329,000 Nov 2022 | $4,824 2025 | Assessor + 3 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4810, Apt 3 Blum Rd |
2 bd · 1 ba · 763 sqft built 1973 · 0.017 acres | $55,000 Sep 1984 | $2,120 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4810, Apt 4 Blum Rd |
2 bd · 1 ba · 763 sqft built 1973 · 0.017 acres | $234,000 Sep 2020 | $3,843 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4810, Apt 5 Blum Rd |
2 bd · 1 ba · 763 sqft built 1973 · 0.017 acres | $305,000 Nov 2023 | $4,558 2025 | Assessor + 3 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4810, Apt 6 Blum Rd |
2 bd · 1 ba · 763 sqft built 1973 · 0.017 acres | $335,000 Nov 2023 | $4,896 2025 | Assessor + 3 Documents Updated Sep 2026 | Owner on File Owner Occupied |