Public service is the services provided either by government and by private institution as well, to give any contribution to the public welfare in accordance to the the legislation. Actually, realization of public welfare as result of public services still faced many problem.The major issues in public services including three main empirical problems: first, the discrimination in services. Service delivery is still strongly influenced by the personal relationship based on political affiliation, ethnicity, and religion. Secondly, uncertainty of cost and time of service. This uncertainty usually open the door towards corruption. And third, low level of public satisfaction in public services .The research aimed to determine the public services provided by government agencies (KUA) and other private Islamic propagation institutions (KBIH and LAZ). Research should discover whether the principles of public service performed by the Islamic dawah institutions and give customer satisfaction. The research found that public service intended to provide excellent service to the community or public. Excellent service established by practicing principles of transparency, realiable, unresponsive, fairness, and empathy. It is known that the principles of public service have significant correlation to public satisfaction, and public service satisfaction has positive influence to public needs to use the Islamic institutions services (KBIH, LAZ, and KUA in Bandar Lampung.