Report: Rental housing supply lags behind demand
 A  view of construction on the 400 block of E. 20th Street following an  announcement about RAD authority being granted to Baltimore and cities  around the country.  By Talia Richman           The Baltimore Sun      Only 43 affordable rental units available for every 100 low-income family in Baltimore City  Only 22 affordable rental units available for every 100 low-income family in Baltimore County  Supply can't keep up with demand for affordable rental housing      For  families that earn less than 30 percent of the median area income,  buying a house is often out of the question. And for these low-income  households, finding a place to rent can also be a struggle, the Urban  Institute has reported   Not a single county in the nation offered  enough affordable housing to keep up with its extremely low-income  renters, the organization said. In the Baltimore region, some counties  have fewer available units than the national average of 28 units  available for every 100 renter hou...