| Business | Phone |
| All Star Realty 611 Bridge St, Colusa 95932 | (530) 458-8875 |
| Associate Brokers Realty 530 7th St, Colusa 95932 | (530) 473-5905 |
| Century 21 550 Market St, Colusa 95932 | (530) 458-7788 |
| Mac Bride Realty Co 1139 Jay St, Colusa 95932 | (530) 458-2708 |
| Mike Ettl Realty 502 Market St, Colusa 95932 | (530) 458-2263 |
| Robert D Heape & Assoc Real 1213 Market St, Colusa 95932 | (530) 458-5863 |
| West Valley Properties 646 Main St, Colusa 95932 | (530) 458-8826 |