The Basilica di San Lorenzo is Mortara's most prominent historical monument, a Gothic building from the 14th century. Located in the city center, near the Palazzo del Comune, it attracts attention with its terracotta facade.
Architecture: Built in Gothic Lombard style between 1375 and 1380 by Bernardino da Novara. Martino Bassi made some structural changes in 1573.
Exterior: The cotto facade has frescoes in the lunettes of the portals, made by Nando Bialetti. The tondi on the facade are by Boniforte da Mortara. The colorful stained glass windows are the work of Francesco Mossmeyer.
Interior: Rich in works of art, including paintings by Paolo da Brescia and a remarkable wooden nativity scene by Lorenzo da Mortara. In the 20th century the interior was renovated by Giuseppe Piatti.