The patron saint of San Maurizio d'Opaglio is the martyr Saint Maurice, celebrated on the third Sunday of September in the Church of San Maurizio.
The town is known for the Museum of Taps and their Technology, linked to the local tradition of tap manufacturing. The municipal territory also holds the Fontana San Giulio Oratory and Palazzo Bettoja, as well as the church of Santi Antonio Abate e Antonio di Padova.