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Private company

Hornblower & Marshall

Washington D.C. architectural firm

Hornblower & Marshall was a Washington, D.C.–based architectural firm that was a partnership between Joseph Coerten Hornblower (1848–1908) and James Rush Marshall (1851–1927). The firm designed numerous substantial government and other buildings, a number of which have been listed on the U.S. National Register of Historic Places. For example, the partnership won a competition with its design for the monumental, Beaux-arts style U.S. Custom House of Baltimore, Maryland, that was built in 1903 and which served as a Custom House until 1953.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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Joseph Coerten Hornblower, 1848-1908 LCCN2001704036
Photo: Johnston, Frances Benjamin, 1864-1952, photographer, Public domain, via Wikimedia Commons3

Hornblower & Marshall was a Washington, D.C.–based architectural firm that was a partnership between Joseph Coerten Hornblower (1848–1908) and James Rush Marshall (1851–1927). The firm designed numerous substantial government and other buildings, a number of which have been listed on the U.S. National Register of Historic Places.2

Leadership

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Sources

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