MFA Financial, Inc., together with its subsidiaries, operates as a real estate investment trust in the United States. It invests in residential mortgage securities, including non-agency mortgage-backed securities, agency MBS, and credit risk transfer securities; residential whole loans, including purchased performing loans, purchased credit deteriorated, and non-performing loans; and mortgage servicing rights related assets. The company qualifies as a real estate investment trust for federal income tax purposes. It generally would not be subject to federal corporate income taxes if it distributes at least 90% of its taxable income to its stockholders. MFA Financial, Inc. was incorporated in 1997 and is based in New York, New York.