House No. 20 on Pyatnitskaya Street, an income house, was built in 1911 according to the design of architect Sergey Matveyevich Zharov for the merchant and owner of a soap factory, Vladimir Antonovich Boni. Zharov, being an assistant to the Vladimir city architect, lived in Moscow and traveled to Vladimir three days a week. In addition to this building, another interesting house was built in Moscow according to his design in Pestovsky Lane.

Before the revolution, the first floor of Boni's house housed a coffee shop owned by Leonid Yulievich Forshterm, who owned a chain of stores on Kuznetsky Most, Arbat, Sretensky, and Solyanka. Next to Forshterm's shop was a pharmacy of the well-known "Factory-Trade Partnership R. Kyoeler and Co." Robert Kyoeler's pharmaceutical factory, opened in 1882, became the first industrial enterprise in Russia for the production of medicines. The magazine "Niva" (No. 49, 1900) noted that Kyoeler's enterprise was credited with creating a new branch of the processing industry in Russia aimed at replacing foreign chemical and pharmaceutical products. The firm also owned a network of pharmacies in Moscow and other cities of the Russian Empire. During the Soviet era, a chemical-pharmaceutical association "Moshimpharmpreparaty" was established based on Kyoeler's factory, which still operates today.

The building on Pyatnitskaya Street, one of the tallest in the area, is designed in the neoclassical style with large relief decorations under the cornices. Attention is drawn to two angled bay windows and a vase on a decorative bracket in a semicircular niche at the center of the symmetrical facade. The house has never been significantly rebuilt, so it has mostly retained its internal layout and finishing.

A metro line runs beneath the building, which sometimes causes cracks to appear on the facade, and large fragments of stucco occasionally fall off.