Old house lovers in Portland, OR might be surprised to learn that many of the city’s most charming early 20th century homes are actually built of concrete. Houses built of concrete block often masquerade as stone, while houses built of continuous-pour concrete are often mistaken for stucco. The 1909 Bramhall House in the Piedmont neighborhood is perhaps Portland’s most elaborate example of a concrete cast-stone house (above top and center). Smaller, simpler concrete houses were... more