At first, Marilyn Brown was reluctant to tell people she was building a $2 million modular home in Fairfield County’s Gold Coast. “People would say ‘Oh, prefab,’ and I would say, ‘No, it’s modular.”‘ ...

Walking down the assembly line as the bell dings, marking a lunch break, Ken Semler points to a man carefully sealing the frame of a house with foam as evidence that this factory can build houses ...