This exposure had a profound impact on his artistic style, which often featured everyday life scenes and landscapes depicted with a sense of realism and honesty. Matulka's artwork is characterized by its attention to detail and its ability to capture the essence of the American experience. His notable works include 'The Village' (1918) and 'Street Scene' (1920), both of which showcase his mastery of capturing everyday life.

Throughout his career, Matulka continued to refine his artistic style, drawing inspiration from the world around him. He was a prolific artist, producing numerous paintings that continue to be celebrated for their beauty and historical significance. Today, Matulka's artwork is held in high esteem by art historians and collectors alike, solidifying his place as one of the most important American Realist painters of the 20th century.