On Konstantinovskaya Street (now Sovetskaya) in the late eighteenth century was the building of the Evangelical Lutheran Consistory, engaged in by settlers from Europe, professing the Protestant faith.

In 1880 he transferred to the Moscow Consistory sells yard is with buildings representative of the local German community - Robert Karlovich Ertu. Ertov family activities involved in the supply of agricultural implements and machinery from the best European and American factories began in Saratov in 1875.

In the late nineteenth century building was completely rebuilt consistory architect Yu.N.Terlikova. It was complemented by ornamental masonry, turrets, decorative bindings and drawings on a wall of the house was painted advertising panels locomobile, preserved to our days. In 1900, the house did a great extension for storage of agricultural machinery and implements. Business Ertov flourished in the early twentieth century, in addition to the Trading house on the street Konstantinovskaya family had branches in Balakovo, Mozdok, Khasavyurt, Uralsk and later opened branches in Omsk, Chelyabinsk and Orenburg. Erty owned and mechanical plant, a few houses and personal power station provides coverage not only production and storage facilities, and 15 private residences, including the governor's house.

In 1915 he was convicted of having links with the German military structures of one of the sons of Robert Karlovich and imprisoned, after which the family Ertov sold out all the property, leaving Russia.

In Soviet times, the building housed various offices and outbuildings, and premises for a long time and to this day the city is hosting a water utility service. Well-preserved building of the Trading House Ertov now occupies one of the political parties.