The social interest housing has always been a delicate and important subject in Colombia, according to the national government (artículo 91 de la ley 388 de 1997); the social interest houses are those developed to guarantee the right of having a house to the families with the lowest income. In every Development National Plan (Plan Nacional de Desarrollo) the national government will stablish the type and peak price of the destined solutions for the families. Bolivar is one of the regions with more government’s help. This region mostly warm and humid is periodically affected by floods. Its capital city, Mompox represents the cultural confluence between the Spanish and the indigenous tribes, working as a catalyst for the region.