| Business | Phone |
| Administrative Hearings 222 S 6th St # 414, Grand Junction 81501 | (970) 248-7340 |
| Clerks Office 125 N Spruce St, Grand Junction 81501 | (970) 257-3640 |
| Colorado Dispute Resolution 428 Rio Vista Rd, Grand Junction 81503 | (970) 243-9134 |
| Cooperative Extension 2764 Compass Dr, Grand Junction 81506 | (970) 245-9149 |
| Disease & Immunization 222 S 6th St, Grand Junction 81501 | (970) 248-7162 |
| District Engineer 222 S 6th St # 317, Grand Junction 81501 | (970) 248-7208 |
| Electrical Board Grand Junction 81501 | (970) 248-7045 |
| Engineer West 222 S 6th St # 317, Grand Junction 81501 | (970) 248-7214 |
| Environmental Section 222 S 6th St, Grand Junction 81501 | (970) 248-7223 |
| Grand Junction Regional Ctr 2800 D Rd, Grand Junction 81501 | (970) 245-2100 |
| Health Facilities Div 222 S 6th St # 232, Grand Junction 81501 | (970) 248-7159 |
| Irrigation Division 2754 Compass Dr, Grand Junction 81506 | (970) 245-5884 |
| Orchard Mesa Research Ctr 3168 B 1/2 Rd, Grand Junction 81503 | (970) 434-3264 |
| Property Taxes Div 222 S 6th St, Grand Junction 81501 | (970) 248-7318 |
| Radiation & Hazardous 222 S 6th St # 232, Grand Junction 81501 | (970) 248-7164 |
| Std-Aids 222 S 6th St, Grand Junction 81501 | (970) 248-7146 |
| Water Conservation Board 222 S 6th St, Grand Junction 81501 | (970) 248-7305 |
| Western Area Adm Ofc 222 S 6th St # 406, Grand Junction 81501 | (970) 248-7358 |
| Transportation Permit 606 S 9th St, Grand Junction 81501 | (970) 248-7360 |
| Transportation-Constr Engineer 606 S 9th St, Grand Junction 81501 | (970) 248-7380 |