Bill and Gail Nostrom stand behind their house in Newmarket, N.H., where they explored building a garage apartment ... The idea isn’t new: For generations, some homes included extra units, sometimes ...

Bill and Gail Nostrom stand behind their house in Newmarket ... sometimes called in-law suites. But state lawmakers and city planners across the country are increasingly eyeing ADUs as one ...

(Kevin Hardy/Stateline) NEWMARKET, N.H. — Aside from an extra mailbox, there’s little indication from the street that Ron Durand’s lot is home to ... flats or in-law suites.