Costi and his team at Mass-Tech roofers are the most professional team I’ve ever hired. If I could give them 10 stars I would. I am a trustee and owner for a 10-unit condo building in Plymouth. We have a mansard roof that wraps around 3 sides of our building, a total of 10×260 feet worth of roofing. The contractor who rehabbed this building in 2006 did a terrible job. The roof was prematurely failing and losing shingles. One of our units was dealing with a leak. We priced the job out with 5 different roofers. Some of the other roofers were 2X the cost of Mass-Tech. Price is only one factor. Costi and his team were by far the most communicative. Our building is also a very challenging project that needed 3rd floor pump staging, carpentry work at the 3rd floor level, and the installation of a roof hatch. Mass-Tech did a truly outstanding job in a timely manner. As the project neared the end, the leak (not the fault of Mass-Tech) turned bad during a rain storm. Costi and his team were out within hours doing a patch for us in the middle of the evening. They came back and applied a more permanent patch as promised. Everything Costi says he’s going to do, he does. I just cannot say enough good things about Costi and Mass-Tech.