Greystone Housing Impact Investors LP acquires, holds, sells, and deals in a portfolio of mortgage revenue bonds (MRBs) that are issued to provide construction and permanent financing for multifamily, student, and senior citizen housing; skilled nursing properties; and commercial properties in the United States. The company operates through four segments: Affordable Multifamily Investments; Seniors and Skilled Nursing Investments; Market-Rate Joint Venture Investments; and MF Properties. It also invests in governmental issuer loans. The company was formerly known as America First Multifamily Investors, L.P. and changed its name to Greystone Housing Impact Investors LP in December 2022. Greystone Housing Impact Investors LP was incorporated in 1998 and is based in Omaha, Nebraska.