Six of his buildings are recognized on the National Register of Historic Places, and three others have been given landmark status by their city commissions.

He wrote in his memoir that he later regretted the idea, because when he used the library he could never manage to find the same stairs going down that he had used to come up, and when he was in a hurry to catch a train he often found himself leaving by the wrong exit in the rear of the building.

[1] Swartwout produced drawings for the University Club of New York, another of McKim's important commissions, and borrowed some of its details for his design of the Missouri State Capitol.

One of the first architects to incorporate acoustics in his designs, Wallace Clement Sabine, served as consultant on many of Swartwout's buildings.

Tracy and Swartwout were awarded the Medal of Honor by the New York Chapter of the American Institute of Architects in 1920 for distinguished achievements in architecture as exemplified by the Missouri State Capitol and Denver Post Office.

Egerton served three terms as president of the New York Chapter of the American Institute of Architects.