The Council of Residential Specialists is the largest not-for-profit affiliate of the NATIONAL ASSOCIATION OF REALTORS®, with its headquarters in Chicago, Ill. It is composed of over 45,000 Certified Residential Specialists (CRS) Designees and Candidates/General Members. The association was created to recruit and retain those REALTORS® seeking the knowledge, tools and relationship-building opportunities needed to maximize their income and professionalism in residential real estate.