This Final Project consists of a change of use of a listed building by the Badalona’s Administration. The building chosen is the Anis del Mono Factory located at Eduard Maristany Street number 115, 08912 district of the city of Badalona. Our proposal is based on changing the use of manufacturing, processing, storage and distribution of a product, for the use as a municipal headquarters (City Hall). Previously there has been a historical study which reflects the major political events, social and economic events in Badalona last century. Also have explained the principles and major characteristics of modernism and Novecentismo, styles coexisting in several buildings that make up the architectural complex of Anis del Mono Factory. Once framed our project in history, goes on to describe each of the buildings, which explains the past use, present use and the proposed use. There are 5 main buildings that make up the complex: BUILDING A: Building modernist, year of construction 1870 BUILDING B: Building novecentista, year of construction 1916 BUILDING C: Building novecentista, year of construction 1916 BUILDING D: Building novecentista, construction year 1922 BUILDING E: Industrial buildings, construction early 60s The "A" building has cast a function room and a bar. This building is connected to the ground floor of building B which are located the offices of mayor and sub-mayor. General registration areas, Social Services, Citizen, and Road Opening Licences are reflected in building C. At the building D of similar construction characteristics as the building C, has been projected a small local police station. Finally at Building E sections are located Planning, Municipal Finance, Culture and Activity License.