 In 1528, waterworks and bath houses were opened, and in 1564, the town had 180 houses, of which 49 were located on the market square, but next year, large parts of Szydłów burned in a fire.At that time, a number Jews settled in the town, who in 1534–1564 built first synagogue.Good times came to an end in the first half of the 17th century.