[4] The opening ceremony of the building was held in July 2009 with a river float parade, fireworks, and the purchase of luxury cars which will be used by respective state government departments.

[8] A 99-metre-tall flagpole was also added to the site in 2023 to commemorate the 60th year anniversary of Sarawak's position as a founding partner in the formation of Malaysia.

[10] The speaker of the state assembly, Dato Sri Mohd Asfia Awang Nassar, said that the building would last for 100 years.

The building is capped with a roof design similar to a Malaysian royal umbrella (payung negara in Malay).

[3] Meanwhile, the lower floors house offices for the state assembly members, function halls, meeting rooms, an auditorium, and a surau.