One of the largest real estate groups in the country, Century 21 helps customers buy or sell their homes. Here in Broomall, the office is located right off of West Chester Pike with lots of room to park and plenty of agents who are ready to consult with you. Century 21 serves all of the areas on the Main Line as well as the counties of Chester, Bucks, Montgomery, and Philadelphia. Century 21 updates listings everyday on its website with photographs and descriptions of new houses on the market.