| Business | Phone |
| Klamath County Air Quality 403 Pine St, Klamath Falls 97601 | (541) 883-1122 |
| Klamath County Baldwin Museum 31 Main St, Klamath Falls 97601 | (541) 883-4207 |
| Klamath County Building Dept 305 Main St # 1, Klamath Falls 97601 | (541) 883-4209 |
| Klamath County Children & Fmly 403 Pine St # 3, Klamath Falls 97601 | (541) 883-5117 |
| Klamath County Commissioners 305 Main St # 224, Klamath Falls 97601 | (541) 883-5100 |
| Klamath County Dog Control 113 N 4th St, Klamath Falls 97601 | (541) 882-1279 |
| Klamath County Election Clerk 305 Main St # 1, Klamath Falls 97601 | (541) 883-5157 |
| Klamath County Engineer's Office 305 Main St # 2, Klamath Falls 97601 | (541) 883-4696 |
| Klamath County Experiment Sta 6941 Washburn Way, Klamath Falls 97603 | (541) 883-4590 |
| Klamath County Fiscal Officer 305 Main St # 1, Klamath Falls 97601 | (541) 883-4297 |
| Klamath County Human Resources 305 Main St # 216, Klamath Falls 97601 | (541) 883-4296 |
| Klamath County Juvenile Office 3331 Vandenberg Rd, Klamath Falls 97603 | (541) 884-4167 |
| Klamath County Landfill 801 Old Fort Rd, Klamath Falls 97601 | (541) 883-4697 |
| Klamath County Maintenance 3900 Miller Ave, Klamath Falls 97603 | (541) 883-4598 |
| Klamath County Management Info 403 Pine St # 300, Klamath Falls 97601 | (541) 883-5142 |
| Klamath County Non-Support 305 Main St, Klamath Falls 97601 | (541) 883-4265 |
| Klamath County Non-Support 403 Pine St # 2, Klamath Falls 97601 | (541) 883-4265 |
| Klamath County Planning Office 305 Main St # 1, Klamath Falls 97601 | (541) 883-4200 |
| Klamath County Property Sales 305 Main St, Klamath Falls 97601 | (541) 885-3323 |
| Klamath County Surveyor 305 Main St, Klamath Falls 97601 | (541) 883-4694 |
| Klamath County Veteran's Office 123 N 4th St, Klamath Falls 97601 | (541) 883-4274 |
| Klamath County Watermaster 5170 Summers Ln, Klamath Falls 97603 | (541) 883-4182 |
| Klamath County Witness/Victim 305 Main St, Klamath Falls 97601 | (541) 883-5115 |
| Rainbow Ridge Day Treatment 3314 Vandenberg Rd, Klamath Falls 97603 | (541) 882-8684 |