Town Hall Address 740 2nd St. Gretna, LA 70053 United States- Jefferson County Website https://www.gretnala.com Zoning 504-363-1556 740 2nd St. Gretna, LA 70053 United States Fire District 504-363-1494 1136 Lafayette St. Gretna, LA 70053 United States Town Clerk 504-227-7614 740 2nd St. Gretna, LA 70053 United States Water 504-363-1540 740 2nd St. Gretna, LA 70053 United States Sewer 504-363-1551 740 2nd St. Gretna, LA 70053 United States County Jefferson