In 1941, Jaro was absorbed into Iloilo City which meant that the building no longer functions as a municipal hall.

In 2017, the National Museum moved to the building and established a satellite office for Region 6 (Western Visayas).

The historic building is 2-storeys high, made from a mix of concrete, and has a footprint of less than 100 square meters (1,100 sq ft).

[1] Iloilo City lone district representative Jerry Treñas authored the Republic Act 1055 or the "An Act Declaring the Jaro Cathedral, Molo Church, The Iloilo City Central Business District, Fort San Pedro, Jaro Plaza Complex, Molo Plaza Complex and Plaza Libertad Complex" which declared historic sites in Iloilo City which includes the former municipal hall as part of a Cultural Heritage Tourism Zone.

After the rehabilitation efforts of the building was completed, the National Museum of the Philippines declared the site as an "Important Cultural Property" on February 17, 2017.