City Builders LLC specialize in flat roof replacement. Flat roofs abound in Baltimore, because of our many row house neighborhoods. We proudly serve homes in Baltimore, MD. We has more than 40 years of experience in roof replacement and roof repair. We keep our service area small so that we can provide the home improvements you need, without waiting a long time. We provide quality work at competitive prices. City Builders LLC has more than 40 years of experience in roof replacement and roof repair. We keep our service area small so that we can provide the home improvements you need, without waiting a long time. We provide quality work at competitive prices. When your roof is leaking or showing signs of old age, call City Builders for a free estimate. Warranties are available!