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Benjamin Construction Group’s public ratings sit near the middle: 3.7 across three Google ratings and 3.0 across two Houzz ratings. The Somerville company focuses on roofing and also advertises siding, deck, and remodeling work; its BBB profile says it has been in business for 23 years. The written customer history is dated and divided. In a 2016 Angi review, a homeowner said Wagner gave a detailed explanation for work on a historic-register house where replacement woodwork and patterned shingles needed exact matches. An undated customer account praised timely, professional work and the crew’s willingness to go beyond the basic job. The sharper caution comes from a 2022 Google review. That homeowner alleged the company used older, less expensive materials instead of the new materials specified in the contract, and said leaks and other problems followed. It is one account, but the specificity makes material brands, condition, substitutions, and inspection rights worth putting in writing before work begins. The company’s Massachusetts home improvement contractor registration 184614 is expired. Its BBB profile also says the business is not accredited and has no BBB rating because BBB has insufficient information. For a homeowner considering Benjamin Construction Group, the practical next step is to confirm current registration status and make the roofing scope and materials unambiguous before signing.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Benjamin Construction Group. 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
“I had a great experience. Wagner and his crew replaced my roof and front porch in a timely and professional manner. He went above and beyond. I am very happy with the results.”
This is a deceptive and untrustworthy roofing company that will cut corners. They did not use new materials or the materials agreed upon in contract. Old and less expensive materials were used which led to leaks/problems later. Since customers cannot get on the roof to confirm the work done, they took advantage. Upon contacting the company, they never resolved the problem.
Wagner provided a very detailed explanation of what the job entailed. I explained that since our house is on the local and national historic register, any woodwork that needed replacing, including some intricately patterned shingles, would have to have to be an exact match to the original....
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2 changes recorded — last scanned Sep 19, 2026.