Fausto Javier was born, raised and still lives in Guadalajara, Jalisco; México. (My hometown) If you know the city, you might recognize some of the places that Fausto visits.
His office, however; doesn’t exist. The building where his office is located is a mixing between Indepencia Ave. and José Fernando Abascal y Souza street.
His new apartment does exist; is in the Santa Tere neighborhood. I don’t know who actually lives there, but in fiction Fausto calls apartment 7 home.