King is noted for civic buildings of lasting elegance and beauty, the best known of which may be his last completed work, the stately Orange County Courthouse building which is now the headquarters of the Orange County Regional History Center (1927).
King was the recognized leading architect among a group of architectural firms in Orlando in the 1920s.
The others included: Frank L. Bodine, Fred E. Field, Frederick H. Trimble, David Hyer, George E. Krug, Howard M. Reynolds, Ryan and Roberts (Ida Annah Ryan and Isabel Roberts) and Percy P. Turner.
This group of architects was quite intentional about creating in Central Florida a style of architecture that was suited to the region.
Here is how they described it in an article from The Florida Circle of May 1924: "Just as architects of old created styles to harmonize with their environment, so have the architects of Florida been creating, from native motifs, a style that is carefully adapted to the climatic conditions and surroundings of the state.