United States Post Office, Courthouse, and Customhouse (Wilmington, Delaware)

The U.S. Post Office, Courthouse, and Customhouse, also known as Main Post Office and the Wilmington Trust Headquarters, is a historic post office, courthouse, and custom house, located on Rodney Square in Wilmington, New Castle County, Delaware. It was designed by Irwin & Leighton in 1933–1935, and building was completed in 1937. It is in the Classical Revival. It is a three-story, cut stone structure with six large stone pillars across the main entrance. the gross building area is 104,669 sq. ft.^[3]

Wilmington Trust headquarters in Rodney Square

U.S. Post Office, Courthouse, and Customhouse
U.S. National Register of Historic Places
U.S. Historic district Contributing property
Former Post Office, Courthouse and Customhouse
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Interactive map showing the location of the U.S. Post Office, Courthouse, and Customhouse, Wilmington
Location	11th and Market Sts., Wilmington, Delaware
Coordinates	39°44′48″N 75°32′48″W
Area	1.3 acres (0.53 ha)
Built	1933-35, 1937
Built by	Irwin & Leighton
Architect	Associated Federal Architects
Architectural style	Classical Revival
Part of	Rodney Square Historic District (ID11000522[1])
NRHP reference No.	79000638[2]
Significant dates
Added to NRHP	June 14, 1979
Designated CP	March 24, 2017

It was listed on the National Register of Historic Places in 1979.^[2] A modern Wilmington Trust office building now emerges from the facade.

See also

Postcard showing building prior to vertical addition, c. 1930-45

• Old Customshouse (Wilmington, Delaware)
• Wilmington Trust Newark Branch
• List of United States federal courthouses in Delaware
• List of United States post offices
• National Register of Historic Places listings in Wilmington, Delaware