Michael N. Diamond
Partner, Principal Broker
Licensed in the State of Oregon


Michael N. Diamond is the Co-Founder and current managing partner of Real Estate Investment Group (REIG), first establishing the boutique brokerage with brother, George, in 1978. With more than 36 years of specialized experience in the local urban and suburban markets, Mike has hundreds of successful transactions across diverse extents of commercial real estate to his credit. Including land acquisitions, site assemblages, development, re-purposing and redevelopment of existing commercial space, investment sales representing buyers and sellers, as well as landlord-tenant representation for office and retail leasing.

Mike has extensive experience in working cooperatively with city planners, neighborhood groups, public and private entities, and consultants to reach consensus and move complex projects forward to completion. His development capabilities bring a unique set of skills and expertise to his real estate clients, especially those who have properties with compound zoning and development issues to mitigate. In addition to brokerage, Mike has been an instrumental figure in the development of retail, office and multi-family properties, as well as the renovation and re-purposing of existing buildings in both Portland and Lake Oswego key markets. These projects have largely been cited for the restoration and revitalization of their immediate district area and neighborhoods, enhancing livelihood and live/workability while dedicated to the clients’ end goal as the paramount priority.

As a Portland native and University of Oregon Alumnus, Mike’s attention highest utility and maximizing client profit coupled with long time experience in and understanding of the local markets make him a truly invaluable asset to any commercial real estate transaction in the Portland Metro area.

• University of Oregon, B.S. Political Science, 1971
• US Army Reserves, Honorable Discharge, 1971

• Founding Board Director of Mary’s Woods at Marylhurst CCRC
• Chairman of Mary’s Woods development committee
• Founding Board of Director, Bank of Oswego
• Chairman, Holy Trinity Greek Orthodox Cathedrals Endowment Fund
• Member, Commercial Association of Brokers (CAB)
• Member, Portland Metropolitan Association of Realtors (PMAR)
• Member of NAR