| Business | Phone |
| Grant County Assessor 200 S Canyon City Blvd, Canyon City 97820 | (541) 575-0107 |
| Grant County Tax Collector 200 S Canyon City Blvd, Canyon City 97820 | (541) 575-0189 |
| Grant County Treasurer 201 S Humbolt St # 270, Canyon City 97820 | (541) 575-1798 |