One of the unique architectural monuments of Vyborg is a two-story house in the Rococo style, built in the late 19th century. This is the only building in the city executed in this architectural style, constructed in 1883 at the request of Fyodor Ivanovich Sergeyev, a prominent local entrepreneur and statesman. Sergeyev, a descendant of serfs, achieved such a level of success that he could rival the former owners, the Sheremetevs, in wealth.

The design of the house for Sergeyev was developed by the famous Finnish architect of Swedish origin, Russian subject Fredrik August Odenwald. This provincial architect left a significant mark on the architecture of the region, but unfortunately, the project of the house became one of the last in his career. Soon after the construction was completed, he left the profession due to illness.

Sergeyev spared no expense in building his house, and as a result, it became one of the most striking and memorable buildings in Vyborg. Locals nicknamed it the "Rococo Palace" due to its unusual facade design. The interior of the house was as impressive as its exterior. Sergeyev loved his home very much and tried to spend as much time there as possible. He was fortunate that the Soviet authorities did not affect Vyborg, and he retained his property.

After Sergeyev's death in 1924, the house was used by various institutions, and during the Soviet era, it housed a radio station. In the 1960s, the mansion was nearly demolished to expand a local hotel, but activists managed to defend it. Today, the house continues to delight passersby and remains an important part of the city's historical architecture.