| Code Type | Code Model | Amendment Contact |
| Building/Dwelling Code | IBC 2006 w/Georgia amendments (2009) | Georgia amendments online and Dekalb Municode |
| Structural Code | IBC 2006 w/Georgia amendments (2009) | Georgia amendments online and Dekalb Municode |
| Plumbing Code | IPC 2006 w/Georgia Amendments (2009) | Georgia amendments online and Dekalb Municode |
| Mechanical Code | IMC 2006 w/Georgia amendments (2009) | Georgia amendments online and Dekalb Municode |
| Electrical Code | NEC 2008 w/Georgia Amendments (2009) | Georgia amendments online and Dekalb Municode |
| Accessibility Code | ADAAG (Georgia Access Law, Chapter 120-3-20) | Georgia amendments online and Dekalb Municode |
| Energy Code | IECC 2006 w/Georgia amendments (2009) | Georgia amendments online and Dekalb Municode |
| Jurisdictional Area | Contact |
| Structural | Building Inspector Phone: (404) 371-2077 Fax: (404) 371-3007 |
| Plumbing | Plumbing Inspector Phone: (404) 371-2534 Fax: (404) 371-3007 |
| Mechanical | HVAC Inspector Phone: (404) 371-2206 Fax: (404) 371-3007 |
| Electrical | Electrical Inspector Phone: (404) 371-2131 |
| Accessibility | Fire Services Phone: (678) 406-7750 |
| Environmental | Environmental Dept. Phone: (404) 371-4913 |
| Fire Marshal | Captain Randy Comans Fire Inspection Phone: (404) 371-2506 |
| Zoning | Zoning Dept. Phone: (404) 371-2155 |
| Planning | Planning Dept Phone: (404) 371-2155 |
| Parks/Recreation | Director Phone: (404) 371-2631 |
| Aviation | Airport Director Phone: (770) 936-5440 |