The library was designed in the Classical Revival style by John W. Gaddis; it is the only Classical Revival building in Olney.

Its design features brick pilasters with Corinthian capitals, two terra cotta finials atop the roof, and leaded-glass windows with keystone-patterned stone lintels.

[2] The building was added to the National Register of Historic Places on February 14, 2002.

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