According to Pierce-Eislen about 94% of the new construction is market rate while the remaining 6% is partially or fully affordable housing. Of the 10,217 units proposed, nearly 90% are market rate, 4% are mixed market rate and affordable and nearly 7% are fully affordable communities. Vacancy rates from county to county vary widely depending mostly on supply added to the market. Boulder/Broomfield reports vacancy at only while Douglas and Jefferson Counties, also with limited new supply, reported vacancy rates of and 3,7% respectively. Counties with more new development report vacancy rates near or above the metro average. Denver County with the largest amount of new construction reported a vacancy rate of . Adams and Arapahoe.
