Founded in 2002,[1] the museum is run by the Department of Artistic Heritage of the Legislative Assembly.

From its foundation and until 2012, the museum's coordination was entrusted to Emanuel von Lauenstein Massarani, historian, journalist, diplomat, superintendent of Cultural Heritage of the Assembly Legislative Assembly of the State of São Paulo, and president of the Institute for the Recovery of Historical Heritage in the State of São Paulo.

The museum promotes artworks of the first "Parliament Art Collection", the "Museu da ao Ar Livre Sculpture" and also transforms the Parliament in an important site for the diffusion of art and culture.

Respecting the museological criteria of theme, style and genre, the artworks are placed inside the several rooms of the Parliament.

The museum has artworks including: Francisco Rebolo,[4] Romero Britto,[5] Marcos Garrot,[6] Gustavo Rosa,[7] Denise Barros,[8] Ricardo Augusto,[9] Joseph Pace,[10] Carlos Araújo,[11] Nishio (Katsunori Nishio),[12] Auro Okamura.