The building, referred to as economy was inhabited by the economist, the manager of the land property in Wilków.
The founder of the economy from Wilków in the second half of the 19th century was the owner of local goods, Aleksander Grobicki. After his death the good along with the economy were inherited by his sons. In 1933, the property which amounted to 500 ha of land, was purchased by Ludwik Kostrzewski but he lost it as a result of the agricultural reform after 1944. The economy, in which many generations of officers working in the property lived and worked, was at first owned by the Commune Association “Samopomoc Chłopska” (Peasant Self-Support) in Wilków, and after 1972 by the Commune Association in Błędów, which gave the building to the Museum.
The economy was made of wooden beams and it was plastered. It is an example of a few narrow-front building upon the area of Radom, i.e. the buildings the entrance to which leads from a shorter side. The layers of a shingle roof are equipped with decorative windows, known as oeil-de-boeufs. The entrance to the building may be accessed by wooden porches. The walls are equipped with double box windows divided in six parts.
