The columns, the arches, the tympanums and the cornice are realized in Pietra Serena Sandstone. The façade is plastered, traces of frescoes (now replaced by copies), carried out between 1513 and 1514 by Pontormo, were found over the central arch of the external portico, while the central portal is surmounted by a mosaic Annunciation by Davide Ghirlandaio (1509).
The floor of the loggia is in Apuan Marble, Alberese Limestone and Colonnata Black Limestone. The Pucci Family emblems are in Apuan Marble and Colonnata Black Limestone.