| Business | Phone |
| Behavioral Health Svc 642 5th St, Colusa 95932 | (530) 458-0520 |
| Behavioral Health Svc 85 E Webster St, Colusa 95932 | (530) 458-0520 |
| Colusa County Health & Welfare 251 E Webster St, Colusa 95932 | (530) 458-0250 |
| Colusa County Mental Health 162 E Carson St # A, Colusa 95932 | (530) 458-0516 |
| Colusa County Mental Health 512 Bridge St, Colusa 95932 | (530) 458-0531 |
| Colusa County Mental Health 65 E Webster St, Colusa 95932 | (530) 458-0531 |