The Davidson Building, currently designated as Three McPherson Square, is a historic office building in Washington, D.C., United States at 927 15th Street Northwest, adjacent to McPherson Square, built in 1917.

At twelve stories and 130 ft (40 m) tall, it was the tallest building in the city from its completion until 1926.

The Davidson Building was designed by local architect B. Stanley Simmons and is built with Renaissance Revival-style architecture.

[2] Construction of the Davidson Building broke ground in 1917 and was completed that same year.

[4] The building itself was added to the DCIHS on July 28, 2016[5] and on the NRHP later that year on October 4.