Castleberry–Harrington Historic District

Republican is an unincorporated community in Faulkner County, Arkansas, United States. The community is located along local roads in the northeast part of the county, 3.9 miles (6.3 km) northwest of Greenbrier.The Castleberry-Harrington Historic District and the Farris and Evelyn Langley House, which are listed on the National Register of Historic Places, are both near the community.

The Dennis and Christine Garrison House is a historic house at 105 Garrison Road in Greenbrier, Arkansas. It is a single story frame structure, finished in a veneer of stone and brick in 1951 by Silas Owens Sr., a local master mason. The house has a number of hallmarks of Owens' work, including cream brick trim around the building corners and the openings of doors and windows, and an arched entrance porch. The herringbone patterns in the stonework are also an Owens signature. The chimney, with similar styling, was added by Owens' son Silas Jr.The house was listed on the National Register of Historic Places in 2005.

The Merritt House is a historic house at 139 North Broadview in Greenbrier, Arkansas. It is a single story wood-frame structure, finished with a masonry veneer, with an irregular plan featuring a variety of roof gables. The exterior is finished in sandstone with cream-colored brick trim. The main entrance is set under a deep front porch, whose front has a broad flat-topped arch, with a gable above that has a louver framed in brick. The house was built by Silas Owen, Sr., a local master mason, in 1948 for Billy Merritt. It was built using in part stone from a house built by Owen for Merritt's father, which had recently been torn down.The house was listed on the National Register of Historic Places in 2005.

The Farris and Evelyn Langley House is a historic house at 12 Langley Lane in Republican, Arkansas. It is a rectangular frame house, its exterior finished in stone veneer with cream-colored brick trim. A gabled roof covers the house, extending over a recessed entry porch, its corner supported by a brick post. The ranch-style house was built in 1956 by Silas Owens, Sr., a mason noted regionally for his distinctive style. Hallmarks of his style are evident in this house, including the cream brick, and angled placement of the stones on the building's larger surfaces.The house was listed on the National Register of Historic Places in 2995.

Spears House is a historic house at 1235 United States Route 65 in Greenbrier, Arkansas. It is a single-story frame structure, faced in rock veneer with cream-colored brick trim. Built about 1946, it is basically Craftsman in style, with the stylistic of the regionally prominent African-American mason Silas Owens, Sr. seen in the use of cream-colored brick, arched openings, and herringbone stone patterns on the walls.The house was listed on the National Register of Historic Places in 2005.

The S.D. Merritt House is a historic house at 45 Arkansas Highway 25 North in Greenbrier, Arkansas. It is a single story masonry structure, its exterior clad in a distinctive combination of fieldstone laid in herringbone patterns, and cream-colored brick trim. It was designed by Silas Owens, Sr., a prominent regional African-American mason, and built c. 1950 by Owens and his son, Silas Jr. It is a basically L-shaped structure, with a covered carport at the left end, and a forward-projecting section on the right.The house was listed on the National Register of Historic Places in 2005.

Greenbrier High School (GHS) is a comprehensive public high school serving more than 600 students in grades ten through twelve in Greenbrier, Arkansas, United States. It is one of six public high schools in Faulkner County and is the sole high school administered by the Greenbrier School District. Greenbrier High School is the home of the pilot program that formed the national EAST Initiative.

Greenbrier is a city in Faulkner County, Arkansas, United States. It is part of the Central Arkansas region. The population was 5,707 at the 2020 census, up from 4,706 at the 2010 census.

The Quattlebaum–Pelletier House is a historic house at 43 Ozark Street in Twin Groves, Arkansas. It is a single-story masonry structure, its exterior finished in a combination of fieldstone veneer and cream-colored brick. Built in 1942, it has many of the hallmarks of the work of Silas Owens Sr., a regionally prominent African-American mason, including an arcaded recessed porch, and the types of exterior materials used. Owens departed from his usually herringbone pattern for laying the stone on the walls, instead using longer and thinner sandstone in a geometric pattern.The house was listed on the National Register of Historic Places in 2005.

The James and Jewell Salter House was a historic house at 159 South Broadview in Greenbrier, Arkansas. It was a single-story wood-frame structure, finished in stone veneer with cream-colored brick trim elements. It was built about 1945, its exterior masonry done by Silas Owens, Sr., a regionally prominent African-American stonemason. It was unusual among Owens's works as an example of English Revival architecture done with his stylistic touches.The house was listed on the National Register of Historic Places in 2005. It is listed as destroyed in the Arkansas Historic Preservation Program database.