| Business | Phone |
| Finance Dept-Accounting 200 Derbigny St 4200, Gretna 70053 | (504) 364-2777 |
| Jefferson Parish Assessor 200 Derbigny St 1100, Gretna 70053 | (504) 362-4100 |
| Jefferson Parish Finance Dept 200 Derbigny St 4200, Gretna 70053 | (504) 364-2767 |
| Property Tax Office 200 Derbigny St, Gretna 70053 | (504) 363-5710 |