 Castellanos was known for his talent and versatility, as well as a clever eclecticism.Together with Luis Barragán, Ignacio Díaz Morales, and Rafael Urzúa, Pedro Castellanos became known as a propronent of ‘traditional modernity’ (a return to traditional values while also acknowledging contemporaneity).According to Julio de la Peña, Pedro Castellanos was "a precursor of contemporary architecture, the most authentic, with a very vivacious architecture, yet without losing a certain simplicity".