Coldwell Banker Residential Brokerage is a part of Coldwell Banker, which is one of the leading real estate organizations in North America with nearly 3,500 offices and over 100,000 professional sales associates worldwide. Coldwell Banker Residential Brokerage operates more than 100 sales, vacation rental and property management offices and has a staff of over 4,000 professional sales associates. It provides services in Maryland, Delaware, Virginia and Washington, D.C. The firm offers a variety of real estate services, such as settlement, insurance, property management, and home warranty and inspection. In addition, it offers various concierge and utility services, including telephone, cable, electricity, gas and Internet connections; installment of home security systems; newspaper delivery; and change of address. Coldwell Banker Residential Brokerage maintains a sales office in Rockville, Md.