National Register of Historic Places listings in Union County, Ohio

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Location of Union County in Ohio

This is a list of the National Register of Historic Places listings in Union County, Ohio.

It is intended to be a complete list of the properties and districts on the National Register of Historic Places in Union County, Ohio, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a Google map.[1]

There are 7 properties and districts listed on the National Register in the county.

This National Park Service list is complete through NPS recent listings posted February 15, 2019.[2]
Map all coordinates using: OpenStreetMap 
Download coordinates as: KML · GPX

Current listings[edit]

[3] Name on the Register[4] Image Date listed[5] Location City or town Description
1 Ellis Mounds
Ellis Mounds
July 30, 1974
Within the triangle formed by Hillview Rd., Wolford-Maskill Rd., and State Route 4, northeast of Marysville[6]
40°17′15″N 83°20′56″W / 40.287500°N 83.348889°W / 40.287500; -83.348889 (Ellis Mounds)
Paris Township
2 Elmwood Place
Elmwood Place
November 29, 1979
Southwest of Irwin on State Route 161
40°07′09″N 83°29′03″W / 40.119167°N 83.484167°W / 40.119167; -83.484167 (Elmwood Place)
Union Township
3 The Fort
The Fort
July 8, 1982
26953 North Lewisburg Rd., northeast of North Lewisburg
40°13′55″N 83°33′01″W / 40.231944°N 83.550278°W / 40.231944; -83.550278 (The Fort)
Allen Township
4 Gilcrist House
Gilcrist House
August 13, 1976
3.5 miles southeast of downtown Marysville off U.S. Route 33
40°12′30″N 83°18′53″W / 40.208333°N 83.314722°W / 40.208333; -83.314722 (Gilcrist House)
Marysville Destroyed[7]
5 Dr. David W. Henderson House
Dr. David W. Henderson House
April 19, 2001
318 E. 5th St.
40°14′11″N 83°21′49″W / 40.236389°N 83.363611°W / 40.236389; -83.363611 (Dr. David W. Henderson House)
6 Marysville Historic District
Marysville Historic District
February 1, 1978
Roughly bounded by Maple, Plum, 4th, and 7th Sts.
40°14′08″N 83°22′06″W / 40.235556°N 83.368333°W / 40.235556; -83.368333 (Marysville Historic District)
7 Reed Covered Bridge
Reed Covered Bridge
March 4, 1975
3.5 miles south of Marysville off State Route 38
40°08′59″N 83°22′50″W / 40.149722°N 83.380556°W / 40.149722; -83.380556 (Reed Covered Bridge)
Darby Township 150-feet long Partridge truss bridge. Collapsed in 1993

See also[edit]


  1. ^ The latitude and longitude information provided in this table was derived originally from the National Register Information System, which has been found to be fairly accurate for about 99% of listings. For about 1% of NRIS original coordinates, experience has shown that one or both coordinates are typos or otherwise extremely far off; some corrections may have been made. A more subtle problem causes many locations to be off by up to 150 yards, depending on location in the country: most NRIS coordinates were derived from tracing out latitude and longitudes from USGS topographical quadrant maps created under the North American Datum of 1927, which differs from the current, highly accurate WGS84 GPS system used by most on-line maps. Chicago is about right, but NRIS longitudes in Washington are higher by about 4.5 seconds, and are lower by about 2.0 seconds in Maine. Latitudes differ by about 1.0 second in Florida. Some locations in this table may have been corrected to current GPS standards.
  2. ^ "National Register of Historic Places: Weekly List Actions". National Park Service, United States Department of the Interior. Retrieved on February 15, 2019.
  3. ^ Numbers represent an ordering by significant words. Various colorings, defined here, differentiate National Historic Landmarks and historic districts from other NRHP buildings, structures, sites or objects.
  4. ^ National Park Service (2008-04-24). "National Register Information System". National Register of Historic Places. National Park Service.
  5. ^ The eight-digit number below each date is the number assigned to each location in the National Register Information System database, which can be viewed by clicking the number.
  6. ^ Owen, Lorrie K., ed. Dictionary of Ohio Historic Places. Vol. 12 St. Clair Shores: Somerset, 1999, 1362.
  7. ^ Gilchrist House, Ohio Historical Society, 2007. Accessed 2010-05-10.