Data Visualization of Housing Project in Aceh`s Rehabilitation and Reconstruction using open source software is a good model to transfer knowledge and lesson learn on Disaster Risk Reduction. The distribution of information can be more accessible for community, government, and related institutions in the field. Housing Project to making Aceh Safer Through in Rehabilitation and Reconstruction was a project initiated by Germany Red Cross (GRC) to monitoring and evaluation for the program to know about ‘Building capacity Know‐How’ and ‘Culture of Safety’ of the housing structure, and therefore it is necessary to know the end‐line situation amongst the communities in the project areas. The most important learning of the study is, building houses used local approach is good, but selected materials to install on the area based on landscaping is more important. Regarding to the most frequently hazard in the area.