| 2012 California League Playoff Results |
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| North Division Semifinals |
| San Jose Giants vs. Modesto Nuts |
| Game One - San Jose 3, Modesto 1 |
| Game Two - Modesto 9, San Jose 8 |
| Game Three - Modesto 2, San Jose 0 |
| (Modesto wins best-of-three series, 2-1) |
| South Division Semifinals |
| Lake Elsinore Storm vs. Lancaster Jethawks |
| Game One - Lake Elsinore 1, Lancaster 0 |
| Game Two - Lancaster 5, Lake Elsinore 1 |
| Game Three - Lancaster 3, Lake Elsinore 2 |
| (Lancaster wins best-of-three series, 2-1) |
| North Division Finals |
| Modesto Nuts vs. Bakersfield Blaze |
| Game One - Bakersfield 5, Modesto 4 |
| Game Two - Bakersfield 8, Modesto 5 |
| Game Three - Modesto 12, Bakersfield 1 |
| Game Four - Modesto 3, Bakersfield 2 |
| Game Five - Modesto 6, Bakersfield 2 |
| (Modesto wins best-of-five series, 3-2) |
| South Division Finals |
| Lancaster Jethawks vs. High Desert Mavericks |
| Game One - Lancaster 8, High Desert 7, 12 innings |
| Game Two - High Desert 16, Lancaster 3 |
| Game Three - Lancaster 10, High Desert 5 |
| Game Four - Lancaster 9, High Desert 6 |
| (Lancaster wins best-of-five series, 3-1) |
| California League Championship |
| Modesto Nuts vs. Lancaster Jethawks |
| Game One - Lancaster 7, Modesto 4 |
| Game Two - Lancaster 11, Modesto 2 |
| Game Three - Lancaster 3, Modesto 2 |
| (Lancaster wins best-of-five series, 3-0) |
