Construction began in 1998 and was completed in 1999 for the handover. The building is triangular in shape and overlooks Nam Van Lake and within the Cathedral Parish. The assembly's hall over looks the lake at the rear. The building is also home to:
* Administrative Offices
* Legislative Assembly member’s offices
* Archive and Library
* Function Hall
The building was built by local architect Mario Duarte Duque, who also designed the
Superior Court of Macau Building built next door.
Previous homes of the Legislative Assembly
Prior to the handover in 1999, the Assembly sat at the historic Leal Senado.