Building Permits
| Location | Telephone | Facsimile |
| Harrison County | 228-832-1622 | 228-831-3355 |
| City of Biloxi | 228-435-6270 | 228-435-6188 |
| City of D’Iberville | 228-392-9729 | 228-392-8527 |
| City of Gulfport | 228-868-5715 | 228-868-5716 |
| City of Long Beach | 228-863-1554 | 228-865-0822 |
| City of Pass Christian | 228-452-3324 | 228-452-3644 |
Zoning
| Location | Telephone | Facsimile |
| Harrison County | 228-831-3367 | 228-831-3356 |
| City of Biloxi | 228-435-6266 | 228-435-6188 |
| City of D`Iberville | 228-392-9729 | 228-392-8527 |
| City of Gulfport | 228-868-5710 | 228-868-5708 |
| City of Long Beach | 228-863-1554 | 228-865-0822 |
| City of Pass Christian | 228-452-3324 | 228-452-3644 |
