| Business | Phone |
| Building Inspector Office 518 Yaupon Dr, Oak Island 28465 | (910) 278-5024 |
| Caswell Beach Town Office 1100 Caswell Beach Rd, Oak Island 28465 | (910) 278-5471 |
| Oak Island Town Offices 121 Se 48th St, Oak Island 28465 | (910) 278-5011 |
| Oak Island Town Offices 4700 E Oak Island Dr, Oak Island 28465 | (910) 278-3622 |
| Inspections Dept 8500 E Oak Island Dr, Oak Island 28465 | (910) 278-9625 |