Josefstag
The town fiesta of Las Piñas is celebrated every first Sunday of May each year to honor its patron saint, Saint Joseph. Saint Joseph's Day celebration is centered in St. Joseph Parish Church in the old poblacion of Las Piñas in Barangay Daniel Fajardo on Padre Diego Cera Ave. (Quirino Ave.). Las Piñas was also the home of Mary Immaculate Parish Church, popularly known as the Nature Church, designed by Architect Francisco "Bobby" Mañosa.