Often overlooked, these houses represent an important but brief time in residential construction when Sears Roebuck & Co. and Montgomery Ward sold cast-iron gadgets to make ornamental concrete blocks during the early 20th century. These tools allowed builders to pour concrete into molds and make hundreds of blocks for a house with a paint-free exterior. Construction peaked in 1917, and disappeared completely by the 1940s.
Characteristics: Glittery granite patina
Common Updates: Painted surfaces