The California Department of Transportation’s Tract Housing in California, 1945–1973 identifies the Sweeping-roof Style as a type of tract house that emerged around 1967 and continued into the 1970s. Its defining features include broad gable roofs, tall covered entrances, exposed structural elements, and varied exterior materials. Examples in the Tri-Valley illustrate how these features appear in local tract housing. The houses below are examined through their visible architectural details, with each example highlighting a different aspect of the style. Identifying the Sweeping-roof Style The defining roof is broad and medium-pitched, covering most or all of the house. Projecting beams may support the gable-end overhangs, while beams or freestanding columns support the roof above a tall entrance. The façades often combine vertical elements—including piers, chimneys, contrasting siding bands, and full-height window trim—with multiple exterior materials. Exposed rafters, ...
TractTales | The making of Tri-Valley suburbia
Explore postwar homes and housing tracts in Dublin, Livermore, Pleasanton, and San Ramon. Discover the builders, home designs, and suburban developments documented through historic advertisements, maps, photographs, and contemporary sources.