| Business | Phone |
| Adams County Income Tax 450 S 4th Ave, Brighton 80601 | (303) 654-6163 |
| Adams County Sales Tax Dept 450 S 4th Ave, Brighton 80601 | (303) 654-6300 |
| County Assessor 450 S 4th Ave, Brighton 80601 | (303) 654-6038 |
| County Treasurer 450 S 4th Ave # 3, Brighton 80601 | (303) 654-6160 |
| Tax Sale-Redemption Div 450 S 4th Ave # 303, Brighton 80601 | (303) 654-6165 |