| Business | Phone |
| Town Of Castle Rock 100 Wilcox St, Castle Rock 80104 | (720) 733-8801 |
| Town Of Castle Rock Svc Ctr 100 S Wilcox St, Castle Rock 80104 | (303) 660-1023 |
| Street Maintenance 4175 Castleton Ct, Castle Rock 80109 | (303) 660-1056 |
| Castle Rock Accounts Payable 100 Wilcox St, Castle Rock 80104 | (303) 660-1356 |
| Castle Rock Adm 680 Wilcox St, Castle Rock 80104 | (303) 660-1015 |
| Castle Rock City Council 100 Wilcox St, Castle Rock 80104 | (303) 660-1370 |
| Castle Rock Code Enforcement Castle Rock 80104 | (720) 733-2223 |
| Castle Rock Contractor Rgstrtn Castle Rock 80104 | (720) 733-3528 |
| Castle Rock Election Dept 100 N Wilcox St, Castle Rock 80104 | (303) 660-1367 |
| Castle Rock Engineering Dept Castle Rock 80104 | (720) 733-2462 |
| Castle Rock Human Resources 100 N Wilcox St, Castle Rock 80104 | (303) 660-1368 |
| Castle Rock Information Tech Castle Rock 80104 | (303) 660-1369 |
| Castle Rock Sign Permits Castle Rock 80104 | (720) 733-2223 |
| Castle Rock Town Adm 100 N Wilcox St, Castle Rock 80104 | (303) 660-2344 |
| Castle Rock Town Office 175 Kellog Ct, Castle Rock 80109 | (303) 688-0437 |
| Castle Rock Town Planning Dept 100 Wilcox St, Castle Rock 80104 | (303) 660-1001 |
| Castle Rock Town Planning Dept 803 3rd St, Castle Rock 80104 | (303) 660-1001 |
| Castle Rock Utlities Mntnc 175 Kellog Ct, Castle Rock 80109 | (303) 660-1020 |
| Castle Rock Weed Control Castle Rock 80104 | (720) 733-2260 |
| Clean Air Shuttle Bus 100 Perry St, Castle Rock 80104 | (303) 660-1359 |
| Clean Air Shuttle Bus 4175 Castleton Ct, Castle Rock 80109 | (303) 814-6407 |