Washington County Courthouse (Minnesota)

The Roscoe Hersey House is a historic house in Stillwater, Minnesota, United States, built 1879–1880. It was designed by architect George W. Orff in a mix of Eastlake and early Queen Anne style. Roscoe Hersey (?1841–1906) was a key figure in Stillwater's lumber and mercantile development, the son and local representative of Isaac Staples' Maine-based business partner Samuel F. Hersey. The house was listed on the National Register of Historic Places in 1982 for having local significance in the themes of architecture, commerce, and industry. It was nominated for its embodiment of the commercial success of the Hersey–Staples partnership, the ties between the St. Croix Valley and Bangor, Maine, and the peak of Stillwater's lumber industry.

The Captain Austin Jenks House is a historic house in Stillwater, Minnesota, United States, built in 1871. Austin Jenks (d. 1902) was a prominent businessman and river pilot involved in timber rafting on the Mississippi and St. Croix Rivers. The house was listed on the National Register of Historic Places in 1982 for having local significance in the themes of architecture, industry, and transportation. It was nominated for its association with Jenks and the importance of water transportation to the region's foundational lumber industry.

The Mortimer Webster House is a historic house in Stillwater, Minnesota, United States, constructed 1865–1866. It is listed on the National Register of Historic Places in 1982 for having local significance in the themes of architecture and commerce. It was nominated for being one of the best examples of Italianate architecture in Stillwater, and for its association with Mortimer Webster, one of the town's notable early entrepreneurs.

The Stillwater Commercial Historic District encompasses 11 downtown blocks in Stillwater, Minnesota, United States. It comprises 63 contributing properties built from the 1860s to 1940. It was listed as a historic district on the National Register of Historic Places in 1992 for its local significance in the themes of architecture and commerce. It was nominated for reflecting the economic and architectural diversity of a prosperous lumbering and manufacturing center.

The Chicago, Milwaukee and St. Paul Freight House is a historic former railway station in Stillwater, Minnesota, United States, built in 1883 as a passenger and freight depot for the Chicago, Milwaukee and St. Paul Railway (better known as the Milwaukee Road). It was listed on the National Register of Historic Places in 1977 for having local significance in the themes of commerce, communications, engineering, and transportation. Its notability derives in part from its long service to Stillwater; nearly all goods shipped to and from the city passed through this station, and up to the 1920s it hosted critical telegraph and Railway Express Agency offices. The building is also noted as a somewhat rare example of a combination freight and passenger station, and for the engineering of its internal wood construction. It is also a contributing property to the Stillwater Commercial Historic District. The station closed in 1970 and now houses the Freight House Restaurant.

Nelson School is a former school building in Stillwater, Minnesota, United States, built in 1897. It was listed on the National Register of Historic Places in 1979 for having local significance in the themes of architecture and education. It was nominated for its Neoclassical/Georgian Revival architecture by Orff & Guilbert and for its status as the oldest surviving public school building in Stillwater.

The Moritz Bergstein Shoddy Mill and Warehouse are two historic industrial buildings in Stillwater, Minnesota, United States, in which Jewish German immigrant Moritz Bergstein conducted a recycling business circa 1890 to 1910 providing materials for mattresses. They were originally built in Oak Park Heights, Minnesota, around 1890 and were moved to neighboring Stillwater in 2012 to make way for construction of the St. Croix Crossing bridge. The property was listed on the National Register of Historic Places in 2008 for having local significance in the themes of industry and social history. They were nominated as a rare surviving embodiment of Minnesota's early Jewish immigrants and their frequent participation in the waste materials trade.

The Albert Lammers House is a historic house in Stillwater, Minnesota, United States, built circa 1893. It was listed on the National Register of Historic Places in 1982 for having local significance in the themes of architecture and industry. It was nominated for its association with a local family that expanded Stillwater's lumber interests into northwest Minnesota, and as the city's leading example of Queen Anne architecture.

Isaac Staples' Sawmill is a historic industrial property in Stillwater, Minnesota, United States, consisting of an 1850 stone powerhouse and a 1900 metal-clad factory. The property was listed on the National Register of Historic Places as St. Croix Lumber Mills—Stillwater Manufacturing Company in 1982 for its local significance in the theme of industry. It was nominated because the powerhouse is the only surviving industrial building associated with Isaac Staples (1816–1898), a major figure in Minnesota's early commercial development. The property now operates as a shopping mall with upper level apartments.

The Ivory McKusick House is a historic house in Stillwater, Minnesota, United States, completed in 1872 for Ivory McKusick (1827–1906). It was listed on the National Register of Historic Places in 1982 for having local significance in the themes of architecture and commerce. It was nominated as a striking example of Second Empire architecture in the region and for its associations with a notable family in early Stillwater. McKusick had built his wealth via the lumber industry and government contracts during the Civil War. His older brother John had helped establish the first sawmill in the vicinity in 1843, named and platted the community that grew around it after his hometown in Maine, and served as its first mayor.

Stillwater is a city in the U.S. state of Minnesota and the county seat of Washington County. It is in the Minneapolis–Saint Paul metropolitan area, on the west bank of the St. Croix River, across from Houlton, Wisconsin. Stillwater's population was 18,225 at the 2010 census. Stillwater is often called "the birthplace of Minnesota" due to its role in the establishment of the state.

The Warden's House Museum is a historic house museum in Stillwater, Minnesota, United States. From 1853 to 1914 it was the official residence for the wardens of what began as the Minnesota Territorial Prison and became the Minnesota State Prison upon statehood in 1858. The Washington County Historical Society has operated the house since 1941, making it the second-oldest house museum in Minnesota. It was listed on the National Register of Historic Places in 1974 as the Minnesota Territorial/State Prison Warden's House for its state-level significance in the themes of architecture and social history. It was nominated for being the only surviving structure of the prison's Minnesota Territory period and the chief remnant of its statehood years.