| Business | Phone |
| Gwinnett County Recorders Ct 75 Langley Dr, Lawrenceville 30045 | (770) 822-8815 |
| Gwinnett County Magistrate Ct 75 Langley Dr, Lawrenceville 30045 | (770) 822-8070 |
| Gwinnett County Superior Judge 75 Langley Dr, Lawrenceville 30045 | (770) 822-8651 |
| Probate Court 75 Langley Dr, Lawrenceville 30045 | (770) 822-8265 |
| Judge Hamil Office 75 Langley Dr, Lawrenceville 30045 | (770) 822-8672 |
| Juvenile Court 75 Langley Dr, Lawrenceville 30045 | (770) 822-8340 |