The rapid development of technology makes it easier for people to get various kinds of information, one of which is the information system for finding a boarding house. A boarding house is one of the places for lodging service providers or a temporary residence. Often the availability of the number of boarding houses is not comparable to that of boarding seekers, so boarding seekers must find information faster in order to get the place they want to live. Boarding house owners in promoting their boarding houses are still conventional, namely by word of mouth, distributing brochures, or posting announcements in public places. Based on these problems, an Android-based boarding house information system is needed, a system that can be a place for immigrants from outside the city of Purwokerto who feel confused in finding a suitable boarding house, as well as assisting boarding owners in promoting their boarding houses online via smartphone-based android. The design of this application is carried out using the waterfall methodology, which is a system development method that begins with the requirements definition stage, system and software design, implementation and unit testing, integration and system testing, operation and maintenance. This system makes use of Google Maps and GPS. For programming software using Android Studio. This Android-based Boarding House Search Information System provides convenience for users.