Service Areas and Specialties Backed by over 2,000 Sales Associates in 25 offices, Coldwell Banker Gundaker serves more than 200 communities throughout St. Louis City and County, St. Charles, Jefferson, Franklin, Warren, and Lincoln Counties and most of east central Missouri. From the home search process to financing, to title insurance, and more - straight through to the final closing of your transaction - make us your one stop! We'll make it happen. Professional Experience Coldwell Banker Gundaker, St. Louis area's largest and most successful residential real estate firm, is owned and operated by NRT LLC, the nation's leading residential real estate brokerage company and a subsidiary of Realogy Corporation. Coldwell Banker - originally Ira E. Berry Company, founded in 1939, and for decades was a leader and innovator in St. Louis real estate. Gundaker Realtors, established in 1968, ranked among the top ten independent companies in the U.S. Member, Saint Louis Association of Realtors Professional Education and Designations While our global connections are expanding everyday - the result of our affiliation with the nation's largest real estate organization - our priorities focus on serving the needs of our local communities: metropolitan St. Louis and east-central Missouri. Personal When Buying, Selling or Relocating, for the support and support you need and deserve, just call or click Coldwell Banker Gundaker. Let us show you!