The neighboring buildings are large apartment houses, modern on either side of the post office and older across the street.

The five-bay main section has a three-bay central projecting front-gabled pavilion with a stone pediment.

On the pavilion they are additionally topped with stone pediments; segmental arched with supporting brackets in the center and triangular in the middle.

[2] Lenox Hill was one of 12 post offices built in mid-1930s Manhattan as part of federal relief efforts in the face of the ongoing Great Depression.

[2] Eric Kebbon, still employed in private practice at the time, was retained to design five Manhattan post offices.

[2] Kebbon, unlike some other consulting architects, appears to have been given complete freedom in designing the Lenox Hill post office, which serves some of Manhattan's wealthiest neighborhoods.

Many elements are common to other New York City post offices, such as the multi-story main block, full lot coverage and raised basement.

[2] Notes Media related to United States Post Office (Lenox Hill Station) at Wikimedia Commons