America First Multifamily Investors, L.P. specializes in portfolio management by acquiring, selling, and trading mortgage revenue bonds (MRBs) that provide financing for commercial properties, student housing, and multifamily properties. The company operates through various segments such as Seniors and Skilled Nursing MRB Investments, Affordable Multifamily MRB Investments, Market-Rate Joint Venture Investments, MF Properties, and Public Housing Capital Fund Trusts. As of December 31, 2021, America First Multifamily Investors, L.P. has a total of 12,584 rental units across 17 states under its 74 MRBs issued by local housing authorities.