In 1854, Velarde was chosen to occupy the parish of San José de Flores. Being the priest of Flores, he had taught practices related to ecclesiastical protocols to (archbishop of Buenos Aires in 1900). Later he was parish priest of the Parish of Montserrat, being in charge of the inauguration of the new temple on September 10, 1865. During the yellow fever epidemic, Velarde integrated the Commission of Hygiene of the .