Denver proposal would create rental registry Supporters say the move would protect tenants A Denver rental license program years in the works which would, if passed, force housing property owners who rent out their buildings to tenants to hold a license with the city saw its first council committee meeting Wednesday. Posted at 6:19 PM, Apr 14, 2021 and last updated 2021-04-14 20:35:44-04 DENVER â A Denver rental license program years in the works which would, if passed, force housing property owners who rent out their buildings to tenants to hold a license with the city saw its first council committee meeting Wednesday.