| Business | Phone |
| Harnett County Tax Assessor 305 Cornelius Harnett Blvd, Lillington 27546 | (910) 893-7520 |
| Harnett County Tax Collector 305 Cornelius Harnett Blvd, Lillington 27546 | (910) 893-7522 |
| Harnett County Tax Mapping 305 Cornelius Harnett Bl # 100, Lillington 27546 | (910) 893-7523 |
| Harnett County Tax Supervisor 305 W Cornelius Harnett # 101, Lillington 27546 | (910) 893-7521 |