Well, someone in the industry of making pre-fab homes (or at least calling themselves a prefab home maker, also considers Sears Homes to be prefab: https://www

Well, someone in the industry of making pre-fab homes (or at least calling themselves a prefab home maker, also considers Sears Homes to be prefab: https://www.protohomes.com/ https://www.protohomes.com/ But I appreciate the distinction you are trying to make. Sears homes did include extensive, hand-made details such as hand-made stained glass, cabinetry etc. So it may be a grey area and not perfectly match up with the vocabulary of today.