Elaborating on the techniques that the Black Studies scholar Cedric Robinson uses to write the histories of racial capitalism, this essay outlines a way to approach longue durée architectural histories. Robinson analyses racial capitalism in Black Marxism (1983) through the practices of what he calls the Black radical tradition, and these techniques provide a way to conceptualise a history of architecture in the modern Atlantic World that focuses on denaturalising the racial regimes that have shaped it. Using a series of examples—a lecture by a carpenter-architect in upstate New York, Thomas Jefferson’s house Monticello, an advertisement for marble-quarrying labour in Tennessee, and the commodity chains of lumber—this essay outlines the questions and methods that Robinson’s approach, which he describes both as a “counterfeiting” of received discourse and as a non-dialectical negation of that discourse, suggests for architectural histories that attends to vast geographies and timescales.