Álvarez has designed many buildings in her home country, including one of Santo Domingo's landmarks, the Torre Cristal, where the telephone company Codetel has one of its commercial branches.
Álvarez telah merancang banyak bangunan di negara asalnya, termasuk salah satu landmark Santo Domingo, Torre Cristal, di mana perusahaan telepon Codetel memiliki salah satu cabang komersial.