| Business | Phone |
| County Barn 335 E North St, Warrensburg 64093 | (660) 747-6821 |
| Domestic Violence Task Force 300 N Holden St, Warrensburg 64093 | (660) 747-0031 |
| Johnson County Addressing Info 1 Courthouse Sq # 6, Warrensburg 64093 | (660) 747-5995 |
| Johnson County Circuit Clerk 300 N Holden St # 302, Warrensburg 64093 | (660) 422-7413 |
| Johnson County Collector 300 N Holden St # 201, Warrensburg 64093 | (660) 747-5531 |
| Johnson County Commissioners 300 N Holden St, Warrensburg 64093 | (660) 747-2112 |
| Johnson County Custodian Holden St, Warrensburg 64093 | (660) 747-5492 |
| Johnson County Group Care Home 501 N Ridgeview Dr, Warrensburg 64093 | (660) 747-2004 |
| Johnson County Juvenile Ctr 101 W Market St, Warrensburg 64093 | (660) 422-7418 |
| Johnson County Juvenile Ctr 310 Maynard St, Warrensburg 64093 | (660) 747-2616 |
| Johnson County Juvenile Ofcr 101 W Market St, Warrensburg 64093 | (660) 747-8019 |
| Johnson County Public Adm 300 N Holden St # 101, Warrensburg 64093 | (660) 747-5327 |
| Johnson County Recorder 300 N Holden St # 202, Warrensburg 64093 | (660) 747-6811 |
| Johnson County University Ctr 135 W Market St, Warrensburg 64093 | (660) 747-3193 |
| Johnson County Voter Rgstrtn 300 N Holden St, Warrensburg 64093 | (660) 747-7414 |
| Johnson Emergency Preparedness 300 N Holden St # 301, Warrensburg 64093 | (660) 747-2666 |