We just completed a 6 month renovation which included an extension, a new kitchen and exterior work. We are beyond happy with Chris and his team. We offered to spread the word about his firm and his professionalism. Chris Nelson, owner of Callahan Construction was a 10 out of 10!!! He was extremely patient , knowledgable and fair. His crew was here everyday and they were also very professional and knowledgeable about their craft. He was in constant communication with us. We never had to ch