The purpose of this research work was to analyze the responsibility of the condominium’s administration in
terms of safety in rehabilitation and maintenance works, and to verify the extent to which the law has been
complied with. Over the years, buildings need rehabilitation and maintenance works. With the entry into force of Decree-Law No. 155/95 of July 1st, which transposed Community Directive 92/57 / EEC, of the Council of June 24th, into national law, currently revoked by Decree-Law no. 273/2003 of October 29th 2003, which revises the Regulations on safety and health conditions at work in temporary or mobile construction sites, new actors and new responsibilities have emerged in terms of health, safety and hygiene at work (H.S.H.W). It is intended to focus on how to act and the safety obligations of construction sites, before and after 1995. In any work there are safety responsibilities, however, the way of acting is different, whether the work is before July the 1st 1995, or after that date. Decree-law no. 273/2003 and decree-law no. 155/95, repealed by the previous one, provide for the execution of the technical compilation. This is a document of prevention but which intended to be used for future interventions. So, it will focus more on what to do for works prior to 1995 and works where there should have been technical compilation, in case of maintenance and rehabilitation interventions in buildings, and also what procedures to take into account.