After the Reconquista, King James I of Aragon gave the Castle, the town of Quart and the farmstead of Aldaia to the Priory of the Hospital of Aldaia of Sant Vicent de la Roqueta( in the Book of distribution distribution folio 78-v °, seat # 1472 – consists that on January 7, 1244, Jaime I said, I quote: " A Sant Vicent, el Castell i la Vila de Quart, i l ' alcria de Ladea-Aldaia- "). At that time, the population had only 130 houses with old Christians.
It was in 1287 when Quart, by decision of King Alfonso II of Aragon was under the jurisdiction of the Monastery of Santa Maria de Poblet, belonging to the Cistercian order dependent and the San Vicente de la Roqueta. In fact, a monk of St. Vincent continued to be the foreman of the place, but sometimes delegated the functions to the mayor. In 1332, King Alfonso IV gave permission to the abbot of Poblet, Ponce de Copons, to expel the Moorish and in 1334 granted the charter of settlement to 52 families of Catalonia and Aragon, who made Quart de Poblet their new home. This charter consecrate the birth of the modern city. The dependence of Poblet was maintained until the confiscation decreed by Juan Alvarez Mendizabal in 1835. It was a legacy the second part of the name of the municipality.
The Parish Church of the Immaculate Conception was built in the 14th century, but was rebuilt in the 18th century in Baroque style, and is between 1310 and 1320 the construction of the hermitage of Sant Onofre, following the advent of the holy hermit to a miller.
On June 14, 1630, meeting the pastor of Quart, faithful and juries of the Council agreed to proclaim to the Verge de la Llum patron of the Villa. It was pope Urban VIII.
The Procession of San Onofre, one of the most deeply rooted traditions in Quart de Poblet, was born on June 8, 1723 after a period of drought. Seven decades later, Aldaya won the lawsuit that forced the partition of the area.
Throughout the 19th century, the inhabitants of Quart de Poblet participated in the War of Independence( San Onofre Combat), which did not hesitate to face