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

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Union County, Arkansas, 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 map.^[1]

There are 36 properties and districts listed on the National Register in the county.

          This National Park Service list is complete through NPS recent listings posted April 5, 2024.^[2]

Current listings

[3]	Name on the Register[4]	Image	Date listed[5]	Location	City or town	Description
1	Bank of Commerce		March 25, 1982 (#82002145)	200 N. Washington St. 33°12′45″N 92°39′52″W / 33.2125°N 92.664444°W / 33.2125; -92.664444 (Bank of Commerce)	El Dorado
2	Dual State Monument	More images	September 11, 2000 (#99001354)	County Road 86 33°00′39″N 92°22′05″W / 33.010833°N 92.368056°W / 33.010833; -92.368056 (Dual State Monument)	Aurelle vicinity	Extends into Union Parish, Louisiana
3	Early View Lodge No. 181	Upload image	January 6, 2022 (#100007328)	1965 Mount Zion Rd. 33°11′46″N 92°25′30″W / 33.1961°N 92.4250°W / 33.1961; -92.4250 (Early View Lodge No. 181)	Urbana vicinity
4	El Dorado Apartments		December 1, 1983 (#83003549)	420 Wilson Pl. 33°12′22″N 92°39′37″W / 33.206111°N 92.660278°W / 33.206111; -92.660278 (El Dorado Apartments)	El Dorado
5	El Dorado Commercial Historic District	More images	August 21, 2003 (#03000773)	Courthouse Square, portions of Main, Jefferson, Washington, Jackson, Cedar, and Locust Sts. 33°12′40″N 92°39′45″W / 33.211128°N 92.662492°W / 33.211128; -92.662492 (El Dorado Commercial Historic District)	El Dorado
6	El Dorado Confederate Monument		April 26, 1996 (#96000463)	Courthouse lawn, near the junction of N. Main St. and S. Washington 33°12′43″N 92°39′48″W / 33.211944°N 92.663333°W / 33.211944; -92.663333 (El Dorado Confederate Monument)	El Dorado
7	El Dorado Junior College Building		September 13, 1978 (#78000633)	300 S. West Ave. 33°12′34″N 92°39′58″W / 33.209444°N 92.666111°W / 33.209444; -92.666111 (El Dorado Junior College Building)	El Dorado
8	Exchange Bank		December 16, 1986 (#86003304)	Washington and Oak Sts. 33°12′47″N 92°39′49″W / 33.213056°N 92.663611°W / 33.213056; -92.663611 (Exchange Bank)	El Dorado
9	First Presbyterian Church		May 14, 1991 (#91000579)	300 E. Main 33°12′44″N 92°39′41″W / 33.212222°N 92.661389°W / 33.212222; -92.661389 (First Presbyterian Church)	El Dorado
10	Goodwin Field Administration Building	Upload image	August 2, 2018 (#100002479)	418 Airport Dr. 33°12′58″N 92°48′42″W / 33.2162°N 92.8117°W / 33.2162; -92.8117 (Goodwin Field Administration Building)	El Dorado
11	Griffin Auto Company Building		May 25, 2001 (#01000525)	117 E. Locust St. 33°12′36″N 92°39′45″W / 33.21°N 92.6625°W / 33.21; -92.6625 (Griffin Auto Company Building)	El Dorado
12	Henley-Riley Houses	Upload image	June 26, 2017 (#100001235)	2523 and 2525 Calion Rd. 33°14′14″N 92°39′25″W / 33.237316°N 92.656894°W / 33.237316; -92.656894 (Henley-Riley Houses)	El Dorado
13	Hillsboro Street Viaduct	Upload image	January 7, 2022 (#100007327)	Hillsboro St. between Washington and Madison Aves. 33°12′27″N 92°39′44″W / 33.2074°N 92.6622°W / 33.2074; -92.6622 (Hillsboro Street Viaduct)	El Dorado
14	Mahony Historic District	More images	December 19, 2011 (#11000899)	Roughly bounded by Champagnolle Rd., the alley between N. Madison and Euclid Aves., Lee Ave., and E. 5th St. 33°13′12″N 92°39′25″W / 33.219981°N 92.657083°W / 33.219981; -92.657083 (Mahony Historic District)	El Dorado
15	Masonic Temple		April 12, 2001 (#01000349)	106-108 N. Washington 33°12′44″N 92°39′49″W / 33.212222°N 92.663611°W / 33.212222; -92.663611 (Masonic Temple)	El Dorado
16	D. McDonald House		December 27, 1990 (#90001949)	800 S. Broadway 33°21′49″N 92°43′33″W / 33.363611°N 92.725833°W / 33.363611; -92.725833 (D. McDonald House)	Smackover
17	Henry Crawford McKinney House		September 1, 1983 (#83001157)	510 E. Faulkner 33°13′00″N 92°39′39″W / 33.216667°N 92.660833°W / 33.216667; -92.660833 (Henry Crawford McKinney House)	El Dorado
18	J.H. McWilliams House		September 12, 2002 (#02001044)	323 W. Oak St. 33°12′38″N 92°39′47″W / 33.210556°N 92.663056°W / 33.210556; -92.663056 (J.H. McWilliams House)	El Dorado
19	W. F. & Estelle McWilliams House		September 30, 2013 (#13000791)	314 Summit Ave. 33°12′33″N 92°40′03″W / 33.209213°N 92.667577°W / 33.209213; -92.667577 (W. F. & Estelle McWilliams House)	El Dorado
20	Mount Moriah Masonic Lodge No. 18		March 13, 1987 (#87000442)	Off Highway 172 33°16′18″N 92°49′36″W / 33.271667°N 92.826667°W / 33.271667; -92.826667 (Mount Moriah Masonic Lodge No. 18)	Lisbon
21	Municipal Building		June 30, 1983 (#83001167)	204 N. West Ave. 33°12′43″N 92°39′50″W / 33.211944°N 92.663889°W / 33.211944; -92.663889 (Municipal Building)	El Dorado
22	Charles H. Murphy Sr. House		September 8, 1983 (#83001168)	900 N. Madison Ave. 33°13′14″N 92°39′37″W / 33.220556°N 92.660278°W / 33.220556; -92.660278 (Charles H. Murphy Sr. House)	El Dorado
23	J.T. Murphy No 1 Crater		January 24, 2008 (#07001435)	Firetower Rd., 0.75 miles (1.21 km) north of its junction with Baugh St. 33°20′38″N 92°40′06″W / 33.343889°N 92.668333°W / 33.343889; -92.668333 (J.T. Murphy No 1 Crater)	Norphlet
24	Murphy-Hill Historic District		September 20, 2007 (#07000974)	Roughly bounded by E. 5th St., N. Jefferson St., E. Peach St., N. Madison St., and E. Faulkner St. 33°13′04″N 92°39′39″W / 33.217803°N 92.660867°W / 33.217803; -92.660867 (Murphy-Hill Historic District)	El Dorado
25	Oakland	Upload image	January 28, 2019 (#100003358)	3800 Calion Rd. 33°15′00″N 92°39′24″W / 33.2500°N 92.6568°W / 33.2500; -92.6568 (Oakland)	El Dorado
26	Matthew Rainey House		November 6, 1974 (#74000501)	510 N. Jackson St. 33°12′53″N 92°39′44″W / 33.214722°N 92.662222°W / 33.214722; -92.662222 (Matthew Rainey House)	El Dorado	Now the Newton House Museum
27	Randolph James House		May 14, 2012 (#12000277)	1212 N. Madison Ave. 33°13′23″N 92°39′35″W / 33.223072°N 92.659841°W / 33.223072; -92.659841 (Randolph James House)	El Dorado
28	Rialto Theatre		August 21, 1986 (#86001888)	117 E. Cedar St. 33°12′38″N 92°39′47″W / 33.210556°N 92.663056°W / 33.210556; -92.663056 (Rialto Theatre)	El Dorado
29	Rock Island Railroad Overpass	Upload image	September 17, 2021 (#100006932)	East Hillsboro St. over Union Pacific RR Line 33°12′26″N 92°39′20″W / 33.2072°N 92.6555°W / 33.2072; -92.6555 (Rock Island Railroad Overpass)	El Dorado
30	Rumph Mortuary	Upload image	June 26, 2017 (#100001237)	312 W. Oak 33°12′49″N 92°39′58″W / 33.213488°N 92.666154°W / 33.213488; -92.666154 (Rumph Mortuary)	El Dorado
31	Scotland Cemetery		September 28, 2005 (#05001081)	U.S. Route 167, 3 miles (4.8 km) west of Junction City 33°02′59″N 92°45′03″W / 33.049722°N 92.750833°W / 33.049722; -92.750833 (Scotland Cemetery)	Junction City
32	Smackover Historic Commercial District	More images	June 14, 1990 (#90000884)	601-628 Broadway 33°21′55″N 92°43′29″W / 33.365278°N 92.724722°W / 33.365278; -92.724722 (Smackover Historic Commercial District)	Smackover
33	Joel Smith House		August 31, 1990 (#90001220)	Junction of U.S. Route 167 and County Road 5 33°07′38″N 92°38′19″W / 33.127222°N 92.638611°W / 33.127222; -92.638611 (Joel Smith House)	El Dorado
34	Smith-McCurry House		October 15, 1992 (#92001394)	Northern side of Highway 15, 3.5 miles (5.6 km) east of El Dorado 33°13′16″N 92°35′26″W / 33.22123°N 92.59068°W / 33.22123; -92.59068 (Smith-McCurry House)	El Dorado
35	Union County Courthouse		June 30, 1983 (#83001169)	Union Sq. 33°12′43″N 92°39′50″W / 33.211944°N 92.663889°W / 33.211944; -92.663889 (Union County Courthouse)	El Dorado
36	Willett House		September 14, 1995 (#95001103)	6563 Mount Holly Rd. 33°16′09″N 92°47′34″W / 33.269167°N 92.792778°W / 33.269167; -92.792778 (Willett House)	Lisbon

Former listings

[3]	Name on the Register	Image	Date listed	Date removed	Location	City or town	Description
1	Garrett House	Upload image	November 21, 1974 (#74000500)	June 3, 1986	210 Peach St.	El Dorado
2	Ouachita River Bridge		April 9, 1990 (#90000507)	August 11, 1999	US 167, over the Ouachita River	Calion	Replaced in 1993.
3	SAU at El Dorado	Upload image	December 22, 1982 (#82000939)	September 24, 2004	Summit at Block Streets	El Dorado