Warren Heywood Williams (1844 in New York City – January 1888) was an American architect, who spent most of his career working in the U.S. state of Oregon.
Starting in 1860, he apprenticed in San Francisco as a draftsman at the architectural firm of his father, Stephen H. Williams, and Henry W.
In January 1873, Warren Williams moved with his wife and three children to Portland, Oregon.
Subsequently, Williams partnered with Justus Krumbein from 1875 to 1878.
[1] Williams was an architect of cast-iron buildings in the United States and Canada.