This research is intend to analyze potency of retribution Izin Mendirikan Bangunan, efficiency, effectiveness, and so the influence Number of Building, Tariff, and Size of Land to Revenue of Izin Mendirikan Bangunan on Kecamatan Ilir Barat I. This research using qualitative descriptive and quantitative analyze with the linear multiple regression models. The area of observation including of Keca…