The Gold Coast Historic District is a residential area in Richland, Washington, United States.

The town that was built during the World War II Manhattan Project to house workers at the Hanford atomic plant.

It was built up rapidly in stages under a master plan that covered residential areas, commercial centers and government facilities along with all related infrastructure.

[2] With the advent of the Cold War, plutonium production at the Hanford plant was ramped up, resulting in a need for increased staffing of the technical and administrative ranks.

[3] The motivation for seeking a place in the National Register arose from an inventory of 5000 of the alphabet houses prepared in the early 2000s by local residents interested in documenting the unique aspects of Richland's built environment.