| Business | Phone |
| Imperial County Assessor 940 W Main St, El Centro 92243 | (760) 482-4244 |
| Imperial County Auditor Cntrlr 940 W Main St # 108, El Centro 92243 | (760) 482-4556 |
| Imperial County Treasurer 940 W Main St # 105, El Centro 92243 | (760) 482-4479 |
| Imperial County Tax Collectors 940 W Main St # 106, El Centro 92243 | (760) 482-4301 |