A method for manufacture and assembly of a concrete structure includes manufacturing, at a first location, wall sections and floor/ceiling sections. The wall sections include interior form walls of adjustable separation, and may include interior and exterior finish features, interior rebar, electrical and water supply, and optional fabric forms. The floor/ceiling sections include forms that have adjustable components, and may include rebar, interior finish features, and electrical and heating components. Wall sections and floor/ceiling sections are rotatably and slidably/rotatably attached to one another to define structure segments. Structure segments may be placed in shipping containers for transport. Structure segments are transported to a construction site in a compact orientation, manipulated to an assembled position, and then concrete is inserted into forms defined by the segments and permitted to cure. Forms may be provided to permit formation of footings simultaneously with pouring of concrete for wall sections. Structure segments may be placed together to form structures.