EditorialA model of a 320-square-foot house manufactured by BOSS Homes for use as an accessory dwelling unit was one of the solutions to the affordable housing crisis presented at the International Builders’ Show, in Las Vegas on Feb. 2, 2023. (Mikayla Whitmore/The New York Times)
EditorialVona da Silva, left, who lives in an accessory dwelling unit, or ADU, next to a house occupied by her daughter, Pia da Silva, right, in Portland, Ore., January 2023. (Tojo Andrianarivo/The New York Times)