| Business | Phone |
| Colusa City Fire Dept Colusa 95932 | (530) 458-2133 |
| Colusa Fire Dept 750 Market St, Colusa 95932 | (530) 458-7721 |
| Colusa Fire Inspector 750 Market St, Colusa 95932 | (530) 458-5890 |
| Sacramento River Fire District 235 Market St, Colusa 95932 | (530) 458-0239 |