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A 15-year-old roof torn off and replaced in a single day, ahead of a solar installation: that is what an October 2021 Google reviewer described after hiring C.A. Geldmacher, adding that the quote came quickly, the work started within a week and the cleanup was immaculate. The Duxbury company describes itself as a roofing contractor for Plymouth County towns such as Marshfield, Kingston, Pembroke and Plymouth, doing roof repair and replacement, siding, carpentry, and window and door installation. BBB lists Christopher Geldmacher as president, 33 years in business and an A+ grade, and the company's site lists CertainTeed Shingle Master and Master Craftsman credentials. Google shows 5 stars across 43 ratings. Chris Geldmacher is the name customers use, from 2021 to 2025. A November 2025 customer said he came on site himself to work out what was needed and explained the job before it was done as promised. A July 2022 customer, whose family calls them a perfectionist, was pleased with a new roof. A March 2022 reviewer said Chris got them on his schedule quickly and the crew left the areas around the house cleaner than they found them, and a November 2021 customer described rotted window casings and sills, a garage door and frame, and water-rotted shingles on an exterior wall being replaced. The state registry shows the company's Massachusetts home improvement contractor registration, #114070, as expired.
Chris is the ultimate professional, always committed to quality workmanship! He came onsite personally to determine what was needed and took the time to explain the work to me. The job was done exactly as he promised. He is always a pleasure to work with.
My family describe me as a perfectionist. I admit I am not easy to please when it comes to hiring contractors to work on my house. I am very pleased with the new roof installed by Chris Geldmacher.
Chris and his crew were a pleasure to work with. Chris was able to get us on his schedule very quickly and the work quality and speed of his crew is very impressive. The crew was very professional and left the areas around the house cleaner than when they arrived. We've already referred C.A Geldmacher to a friend and will continue to refer them to anyone we know who needs work done to their home.
Job entailed replacing 2 windows that had rotted casings and sills, one window which would not open or close fully, and one basement window that was completely disintegrated. They also replaced a rotten and broken door and door frame on our garage, an exterior wall which had water rotted shingles and a number of spots that had rotting trim. These guys are real pro's, were a pleasure to have around as they worked. The workmanship is impeccable. Will absolutely use them in the future.
We needed our roof replaced to prepare for installing solar panels as the existing roof was 15 years old. Chris submitted me a quote quickly and was able to do the work within a week of my acceptance. His crew was amazing and they were able to rip the existing shingles and replace all within a day. The clean up was immaculate and the most hard working and professional crew did a spectacular job. Many thanks and cant recommend them more highly.
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1 change recorded — last scanned Sep 18, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from C A Geldmacher Inc.. Use it to sanity-check bids, then get the real number in writing.
A square is 100 sq ft of roof surface — bigger than the floor plan because of pitch and overhangs.
Estimated range
$9,000 – $18,600
Typical roofing project around $13,800
Seven skylight replacements in one day5.0
Answers in a storm5.0
Detailed craftsmanship5.0
Kitchen and bathroom renovations4.5
Emergency leak response4.1