The patron of Pecetto di Valenza is San Remigio, celebrated on the first Sunday of October; the village holds the Chiesa parrocchiale dei Santi Maria e Remigio.
On 8 September the Nativity of Mary is also celebrated, with solemn vespers and a procession of the statue of the Patroness through the streets of the village. The municipality also holds the Chiesa della Santissima Trinità, the Chiesa del Santo Rosario and Bric Castellaro.
