Portland’s ‘Granny Flats’ Get an Affordable Boost
“With about 70 percent of its metro area zoned for single-family housing, and some of the fastest-rising rents in the country, Portland has a paralyzing shortage of affordable housing that officials believe more accessory dwelling units (ADUs) could help address. City homeowners are embracing the idea: ADUs are popping up faster here than anywhere else in the U.S., with the city issuing building permits for about one unit per day in 2016.”