| Business | Phone |
| Honorable David Karr 964 T L Townsend Dr, Rockwall 75087 | (972) 882-0230 |
| Honorable Larry Holloway 968 T L Townsend Dr, Rockwall 75087 | (972) 882-0235 |
| Rockwall Appraisal District 841 Justin Rd, Rockwall 75087 | (972) 771-2034 |
| Rockwall County Information 1101 Ridge Rd, Rockwall 75087 | (972) 882-2870 |
| Rockwall County Commissioners 101 E Rusk St # 202, Rockwall 75087 | (972) 882-0368 |
| Rockwall County Government 1101 Ridge Rd, Rockwall 75087 | (972) 882-0200 |
| Rockwall County Govt Ctr 1101 Ridge Rd, Rockwall 75087 | (972) 722-1855 |
| Rockwall County Indigent Hlth 101 S Fannin St, Rockwall 75087 | (972) 882-0365 |
| Rockwall County Justice-Peace 1101 Ridge Rd, Rockwall 75087 | (972) 882-0246 |
| Rockwall County Juvenile Div 950 High School Dr, Rockwall 75087 | (972) 771-5729 |
| Rockwall County Juvenile Prbtn 1101 Ridge Rd 205, Rockwall 75087 | (972) 882-0280 |
| Rockwell Justice Of The Peace 950 T L Townsend Dr 101, Rockwall 75087 | (972) 771-3321 |