Results
Check out the full finals results for the 2018 BOA Northern California Regional in Pleasant Valley, CA. All of the groups that competed in prelims advanced onto finals.
2018 Bands of America Northern California Regional Championship, presented by Yamaha
| Finals Scores | Score | |
| 1 | West Salem (OR) | 82.950 |
| 2 | Arcadia (CA) | 81.750 |
| 3 | Homestead (CA) | 80.350 |
| 4 | Lynbrook (CA) | 75.850 |
| 5 | Saratoga (CA) | 73.700 |
| 6 | William S. Hart (CA) | 72.850 |
| 7 | Live Oak (CA) | 71.750 |
| 8 | Thousand Oaks (CA) | 70.800 |
| 9 | Buchanan (CA) | 70.100 |
| 10 | Valley Christian (CA) | 66.600 |
| 11 | The King's Academy (CA) | 63.850 |
| Outstanding Music Performance | West Salem (OR) | |
| Outstanding Visual Performance | West Salem (OR) | |
| Outstanding General Effect | West Salem (OR) | |
| Class A | ||
| 1 | The King's Academy (CA) | |
| Outstanding Music Performance | The King's Academy (CA) | |
| Outstanding Visual Performance | The King's Academy (CA) | |
| Outstanding General Effect | The King's Academy (CA) | |
| Class AA | ||
| 1 | Saratoga (CA) | |
| 2 | Live Oak (CA) | |
| 3 | Valley Christian (CA) | |
| Outstanding Music Performance | Live Oak (CA) | |
| Outstanding Visual Performance | Live Oak (CA) | |
| Outstanding General Effect | Saratoga (CA) | |
| Class AAA | ||
| 1 | West Salem (OR) | |
| 2 | Lynbrook (CA) | |
| 3 | Thousand Oaks (CA) | |
| Outstanding Music Performance | West Salem (OR) | |
| Outstanding Visual Performance | West Salem (OR) | |
| Outstanding General Effect | West Salem (OR) | |
| Class AAAA | ||
| 1 | Homestead (CA) | |
| 2 | Arcadia (CA) | |
| 3 | Buchanan (CA) | |
| Outstanding Music Performance | Homestead (CA) | |
| Outstanding Visual Performance | Homestead (CA) | |
| Outstanding General Effect | Arcadia (CA) |