It is belonging to the Safavid period and Qajar in the old district of Qazvin. So far, no names and documents from its creator and founder have been found and the exact date of its construction is unclear. This bathroom with an area of nearly 1200 square meters is located in one of the historical neighborhoods of Qazvin called Akhond district.
Architecture, in particular, the paintings in checkroom and the discovery of various pottery, indicate its construction during the Safavid period and its completion and reconstruction in the Qajar period. Under the bottom of the dome, there are four layers of paint on a layer of lime. Flowers and nature paintings related to the Safavid period and human shaping painting related to the Qajar period. These paintings repaired under the tiles that installed on the walls of the modern era in the bathrooms. This bathroom was in operation until the late 70 decades HS.
With the initiative of Qazvin Municipality Cultural and Sports Organization, the stone museum of Qazvin has been in this building. The Bolour Bathhouse with number 3968, registered in the National Iranian Book List.