The Coates and Ostrander Store at N88 W16672 Main Street is a 2-story store built between 1864 and 1869 by Adam Ploss. The building has a wedge-shaped footprint to fit its corner lot, with cream brick walls and a bracketed cornice which drew on Italianate style. The building initially housed a general store and post office owned by Coates and Ostrander. In 1870 it was taken over by John Seabold and John Vollard, then in 1886 by Lorenz Debus, Morris A Schmoyer, and Frederick Nehs, then others. In 1941 it became the Wagner Drugstore, which later became Lohmiller's Drug.
The Adam Ploss Shop and Residence at N88 W16475 Main Street is a 2-story brick structure built in 1879. It has segmental arched windows, wide eaves with brackets, and a hip roof. Ploss was an immigrant from Bavaria who built cabinets, furniture, and whole buildings. He also co-founded a sash and door factory. Over the years the building also housed milliner, tailor and shoe shops.
The EnterpriseRoller Mill at N88 W16447 Main Street is a 3-story mill beside the Menomonee River, built in 1891. It has walls of limestone quarried from the Harmon Stone Quarries at Lannon. It was also called the Schlafer, Huebner and Shlafer Roller Mill. In 1955 it was converted to offices and non-milling industrial space.
The Obermann-Weber Block at N82 W16370 Main Street is a 2-story commercial block built in 1892 by the J. Obermann Brewing Co. of Milwaukee to house its saloon. The styling is Romanesque Revival, characterized by the rough stone trim and the round arches. In 1892 and 1894 the building also housed the Stolberg and Mayer Grocery, John Lunn's law office, and a tailor shop, as well as social clubs and events. In 1910 the Jung Brewery had a saloon there. In 1930 John Weber bought the building and renamed it.
The C.W. Fraser Building at N88 W16723-25 Appleton Avenue is a 2-story wedge-shaped building with a corner turret and round-arched windows. It was built in 1891 by businessman Cameron W. Fraser, and it housed the Citizen's State Bank in which he was involved. Also the post office, the Menomonee Falls News, and the Menomonee Falls Telephone Company, of which Fraser was the President. Early on it also housed a drug store and doctors' offices.
Emma and Hans Mueller's Cafe at N88 W16718 Appleton Avenue is a 2-story brick building designed by Martin Finch White with its brick and geometric decorations influenced by Prairie School style and built in 1921. It housed cafes and restaurants for many years. Early on it also housed offices of Dr. Dormann and Dr. Berndt.
