National Register of Historic Places listings in Washington County, Missouri
# National Register of Historic Places listings in Washington County, Missouri

This is a list of the National Register of Historic Places listings in Washington County, Missouri.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Washington County, Missouri, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.

There are 11 properties and districts listed on the National Register in the county.

This National Park Service list is complete through NPS recent listings posted July 14, 2023.

## Current listings

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| - | - | - | - | - | - | - |
| 1 | Caledonia Historic District | Caledonia Historic District | October 27, 1986 (#86003389) | Roughly bounded by Patrick, College, and Alexander Sts., and MO 21 37°45′48″N 90°46′18″W﻿ / ﻿37.763333°N 90.771667°W﻿ / 37.763333; -90.771667﻿ (Caledonia Historic District) | Caledonia | |
| 2 | Cresswell Petroglyph Archeological Site | Upload image | February 12, 1971 (#71000482) | Address restricted | Fertile | |
| 3 | George Cresswell Furnace | Upload image | May 23, 1988 (#88000613) | MO F 38°02′27″N 90°50′20″W﻿ / ﻿38.040833°N 90.838889°W﻿ / 38.040833; -90.838889﻿ (George Cresswell Furnace) | Potosi | |
| 4 | Land Archeological Site | Upload image | May 5, 1972 (#72000734) | Address restricted | Caledonia | |
| 5 | Lost Creek Pictograph Archeological Site | Upload image | January 25, 1971 (#71000481) | Address restricted | Caledonia | |
| 6 | Palmer Historic Mining District | Upload image | November 29, 2010 (#10000964) | Surrounding Palmer for several miles in all directions 37°50′40″N 90°59′15″W﻿ / ﻿37.844444°N 90.987500°W﻿ / 37.844444; -90.987500﻿ (Palmer Historic Mining District) | Potosi | More than 15 miles (24 km) of land in the Mark Twain National Forest |
| 7 | Harrison Queen House | Harrison Queen House | June 27, 2002 (#02000700) | Hwy C, 1.3 mi. W of MO 21 37°46′48″N 90°47′55″W﻿ / ﻿37.78°N 90.798611°W﻿ / 37.78; -90.798611﻿ (Harrison Queen House) | Caledonia | |
| 8 | Susan Cave (23WA190) | Upload image | July 8, 1989 (#89000758) | Address restricted | Shirley | |
| 9 | Washington County Courthouse | Washington County Courthouse | October 25, 2011 (#11000765) | 102 N. Missouri St. 37°56′12″N 90°47′17″W﻿ / ﻿37.936667°N 90.788056°W﻿ / 37.936667; -90.788056﻿ (Washington County Courthouse) | Potosi | |
| 10 | Washington State Park CCC Historic District | Washington State Park CCC Historic District More images | March 4, 1985 (#85000517) | Roughly bounded by MO 102 and MO 104 38°05′01″N 90°41′13″W﻿ / ﻿38.083611°N 90.686944°W﻿ / 38.083611; -90.686944﻿ (Washington State Park CCC Historic District) | Potosi | |
| 11 | Washington State Park Petroglyph Archeological Site | Washington State Park Petroglyph Archeological Site More images | April 3, 1970 (#70000352) | Address restricted | Fertile | |
