Tools & Services. That is our value proposition. Coldwell Banker Hearthside, Realtors was recently named as one of the top two Coldwell Banker affiliates serving the state of Pennsylvania, the #7 company in the entire Northeast United States and the #12 Coldwell Banker brokerage in the world. In this unique real estate environment, the team who offers the most in the way of top-quality marketing tools and competitive services is the one you should trust with your business. With the support of the strongest real estate brand in the nation, Coldwell Banker Hearthside offers a tremendous array of services to the owners of homes in every price category and geographic area. Our model has been tested time and time again since we started this company in 1991, and it has held true against challenges from many limited-service providers during that time.