Bill McMahon, Sr. AIA, OAA


Bill is a strategic, financial and architectural planning consultant to communities and club-like-facilities throughout North America. He established McMahon Group in 1983 as an affiliate of the family architectural firm his grandfather founded in 1906. Over the ensuing years, the firm has expanded its communities and club like facilities consulting services beyond clubhouse improvement planning to a full range of services for all aspects of communities and club like facilities challenges. To date, the firm has assisted over 150 communities with club like facilities across the United States. McMahon provides a unique approach to developing community projects based on achieving residents’ consensus and then establishing design and financial feasibility so approval is achieved. Thereafter final design and construction firms are selected to design and build the resident member approved project.

Mr. McMahon is unique among community consultants in providing an integrated strategic, financial and architectural approach to solving community facility problems. His personal involvement with his own clubs in St. Louis (serving in the roles of president, board member and committee member) has allowed him to bring unparalleled experience to each client. Mr. McMahon’s club memberships have included Bellerive Country Club (St. Louis), Racquet Club Ladue (St. Louis), University Club of St. Louis, Spring Lake Yacht Club (Michigan) and the Royal Yacht Club of Tasmania.

Mr. McMahon is a graduate of Washington University School of Architecture in St. Louis and holds architecture licenses in 44 U.S. states and Ontario Province in Canada.  He provides his architectural services to McMahon as an independent architectural firm.  Bill is a member of the American Institute of Architects, and the National Club Association. He is a former president of the Missouri Council of Architects, AIA and has served on various charitable boards in the St. Louis area.