This Mr. Pi's Japanese restaurant is in a stand-alone building on Mountain Boulevard with a spacious parking lot. The Warren location is one of two Mr. Pi's establishments, the other being in Metuchen. In 2005, 2006 and 2008, the chain was named one of the best Japanese/sushi restaurants in the area by the readers of the Home News Tribune. Mr. Pi's offers a diverse selection of sushi and other Japanese dishes, with a wide range of prices.