What makes IREM unique? We are the only association for real estate management professionals of all property types. From novice to veteran, student to seasoned professional, our educational opportunities, premier credentials, leading-edge information, and community of peers is unparalleled in the industry. Welcome to IREM Houston For more than seven decades Institute of Real Estate Management ( IREM ) has been the source for education, resources and membership for real estate management professionals. An affiliate of the National Association of Realtors, IREM is the only professional real estate management association serving both the multifamily and commercial real estate sectors. IREM is an international organization that serves as an advocate on issues affecting the real estate management industry. Globally, IREM includes more than 18, 000 members. Collectively, IREM's U.S. members manage over 1.5 trillion in real estate assets. IREM Members are employed by some of the most prestigious real estate firms in the world and nearly 70% hold upper-level management positions.