At the same time, next to the traditional Venezuelan rubblework, he used concrete foundations, as well as iron joists in the intrafloor space, a method characteristic of the transitional period between the 19th and 20th centuries.
In 1904, he rebuilt the National Pantheon and constructed the presidential residence of Cipriano Castro in el Paraíso, called Villa Zoila.
In 1906, he took on the project of the construction of a hospital for leprosy patients for the island of La Providencia (es) (at the entrance of Lake Maracaibo) and of an Arch of the Restoration that would not be completed.
In 1907, he completed the palace of the Department of the Interior with the annexed police ward and constructed the building of the Ministry of Housing on the corner of Carmelitas.
He constructed Las Acacias residence of the Boulton family (today, host of the Command of the National Guard) and conceived the design of the Miramar hotel in Macuto, a project that brought him recognition in 1928.