To fulfill its mission, Casa da Arquitectura intends to:

- Treat, archive and make known, through different means, the collections and architectural assets donated, deposited or entrusted to its care;
- Create a collection of iconographic and emblematic works of the national and international architectural culture;
- Increase and support the research and dissemination of knowledge in the field of architecture;
- Hold conferences, colloquia, conversations, workshops and other activities related to the debate, reflection and promotion of architecture;
- Administer, manage and promote the spaces and properties which are under its care;
- Encourage recreational, tourist, cultural and social activities aimed at different audiences that may contribute to the best and greatest knowledge of national and international architecture.