Davao’s City Information Office reported on 5 March 2026 that the City Hall centennial postage stamp had been unveiled on 1 March at Rizal Park. City Vice Mayor Rodrigo Duterte II joined city officials and representatives of the Philippine Postal Corporation at the ceremony.

The issue marks the building’s centenary. The city report states that Ordinance No. 0182-26 authorised the mayor to sign an agreement with PHLPost for the printing and circulation of the commemorative stamps.