Based on this evidence, it is thought that the town of Piaski came into existence some time in the first half of the 15th century on the lands formerly belonging to those two villages.

Following the Austro-Polish War of 1809, it passed to the short-lived Polish Duchy of Warsaw, before becoming part of Congress Poland under Russian rule from 1815 onward.

[3] Its pupils later joined the Polish underground resistance movement, including the Home Army, during the German occupation of Poland in World War II.

[6] Severe overcrowding, hunger, and the lack of a secure water supply and sanitation led to a typhus epidemic in late 1941 that killed as many as 1500 ghetto residents.

[5] In the second half of 1942, remaining Piaski Jews were taken to Trawniki and then by Holocaust trains to the Sobibor extermination camp where they were immediately murdered.

[7] After the war, the Podsiadło and Jarosz families were acknowledged for their help for Jews and named Righteous Among the Nations by Yad Vashem.

The Posiadłys for protecting Kurt Ticho Thomas who had escaped from Sobibor,[8] and the Jarosz family, whose members were part of the Polish underground resistance, for helping several Jews in various ways.

In 2007 a monument to Józef Franczak, the last partisan of the anti-communist resistance in Poland, who is buried at the local cemetery, was unveiled in Piaski.