Verified record
Cara-Donna Copper & Slate Co. is a family-run roofing specialist based in Norwell, Massachusetts, focused on copper, slate, and metal roofing along with architectural sheet-metal work. Bill Cara-Donna started the company in 2001 and now works alongside his son. BuildZoom lists a Massachusetts Home Improvement Contractor license (#133029) for the business, alongside self-reported construction-supervisor and master sheet-metal-worker registration numbers. In 2012, a newspaper report on a Bridgewater town roofing contract named Cara-Donna Copper & Slate Co. among firms an inspector general's office recommended barring from further municipal work over alleged collusion. The company is not BBB accredited and has no BBB rating. Google shows a 4.5-star average from two ratings, too small a sample to weigh heavily. This is a specialty shop built around copper and slate craftsmanship, a fit for a roof that specifically calls for that work.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Cara-Donna Copper & Slate Co. 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
“The inspector general’s office said Bridgewater should consider barring Healey and two contractors, Cara-Donna Copper & Slate Co. of Norwell and Sunrise Roofing of Whitman from doing any more work for the town. ... The report said town officials should also consider barring Whittemore and another contractor, William Cara-Donna of Cara-Donna Copper & Slate Co. of Norwell, from any more work “because of their collusion” in the contract. ... Cara-Donna “stated he never intended to repair the roof, but that he submitted his proposal at the request of Mr. Whittemore, Mr. Healey’s subcontractor,” th”
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Certified attributes are verified against the public registry. Others are the business's own statement.
1 change recorded — last scanned Sep 18, 2026.
Exterior rot repair4.9
40 years in carpentry and construction3.6
Timely delivery3.8