Conserje en condominio (in English: "Concierge in an Apartment Building") is a 1974 Mexican comedy film directed by Miguel M. Delgado and starring Cantinflas, Claudia Islas and Raquel Olmedo.

Plot

After reading an ad in a newspaper, Úrsulo (Cantinflas) takes a job as a concierge of a luxurious apartment building inhabited by eccentric people who all turn to him to solve their various problems. But when someone in the building kidnaps an important person, Úrsulo must become an investigator and find the kidnapped and the kidnappers.