2021 Main
| Pl | W | D | L | Diff | Pts | |||
| 1 | Oeste | 15 | 11 | 3 | 1 | 24:8 | 16 | 36 |
| 2 | Agua Santa | 15 | 8 | 7 | 0 | 22:10 | 12 | 31 |
| 3 | Rio Claro | 15 | 6 | 7 | 2 | 18:13 | 5 | 25 |
| 4 | EC Lemense | 15 | 6 | 6 | 3 | 16:9 | 7 | 24 |
| 5 | Sao Bernardo | 15 | 5 | 8 | 2 | 17:12 | 5 | 23 |
| 6 | RB Brasil | 15 | 6 | 4 | 5 | 13:17 | -4 | 22 |
| 7 | Portuguesa | 15 | 5 | 7 | 3 | 21:14 | 7 | 22 |
| 8 | Piracicaba | 15 | 5 | 6 | 4 | 11:10 | 1 | 21 |
| 9 | Velo Clube | 15 | 5 | 5 | 5 | 22:20 | 2 | 20 |
| 10 | Juventus-SP | 15 | 4 | 5 | 6 | 15:19 | -4 | 17 |
| 11 | Portuguesa Santista | 15 | 3 | 7 | 5 | 12:17 | -5 | 16 |
| 12 | Monte Azul | 15 | 3 | 5 | 7 | 12:16 | -4 | 14 |
| 13 | Taubate | 15 | 3 | 5 | 7 | 16:22 | -6 | 14 |
| 14 | Audax-SP | 15 | 3 | 5 | 7 | 5:14 | -9 | 14 |
| 15 | Sao Bernardo | 15 | 2 | 3 | 10 | 8:22 | -14 | 9 |
| 16 | Sertaozinho | 15 | 1 | 5 | 9 | 12:21 | -9 | 8 |
Promotion ~ Campeonato Paulista A2 (Play Offs: )
Relegation
2021 Play Offs
Quarter-finals
| 1 | Agua Santa (2) | Portuguesa (7) | 1 : 2, 2 : 0 |
| 2 | Rio Claro (3) | RB Brasil (6) | 0 : 0, 2 : 1 |
| 3 | Oeste (1) | Piracicaba (8) | 2 : 1, 0 : 0 |
| 4 | EC Lemense (4) | Sao Bernardo (5) | 1 : 1, 0 : 1 |
Semi-finals
| 1 | Agua Santa (2) | Rio Claro (3) | 2 : 2, 2 : 0 |
| 2 | Oeste (1) | Sao Bernardo (5) | 1 : 2, 1 : 1 |
Final
| 1 | Agua Santa (2) | Sao Bernardo (5) | 2 : 3, 0 : 0 |
Redes Sociales