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Boston Alliance Roofing sells itself as a flat-roof company, but its recent Angi reviews are about driveways. The Norwell business describes itself as a third-generation, family-owned commercial roofing contractor working EPDM, hot tar, white TPO, torch down, metal and silicone coating, plus roof repair and snow removal, and cites 20 years in business; it names Dorothy Stevens as owner. Angi shows 4.6 stars from 18 ratings; Google shows 3.3 from 7. A Massachusetts home improvement contractor registration, 210842, held by Dorothy Stevens, is active on the state registry. The praise is short and recent. A June 2026 Angi reviewer said the crew prepared the driveway for crack sealing and a double coat of sealant, thanked the foreman, Joe, and called the price the best; another June 2026 reviewer had a seal coat done and said it looks awesome. A May 2026 reviewer said Joe kept in touch when he was running behind. On the roofing side, a February 2025 Google reviewer had a flat commercial roof replaced quickly at a price they called very reasonable. The complaints are specific. A May 2026 Angi reviewer paid Joe $1150, said the crew came 3 times to finish sealing cracks, and wrote that a promised $200 refund never came. A May 2026 Google reviewer said driveway paving was done very poorly and the issue has been hard to get fixed. A June 2026 reviewer saw brush strokes after the second coat of sealer and wanted a complete top coat at no additional cost, and a May 2026 reviewer's quoted price rose when the crew ran short of material.
they did the best job very and the price was right too.
Spam Fax offering "Same Day Radio Dispatch" What is this 1980?
Did a seal coat job on my driveway. Very good results, looks awesome. Thanks
They are very friendly. Happy to work with them.
I contacted for 2 coats of sealer and the first coat included brushing the edges and on the second coat there was no overlapping of the brush on coating, I asked about it and said it was fine. I can see the brush strokes and It is not something that I want and paid for. I want a complete top coat application at no additional cost to me
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Certified attributes are verified against the public registry. Others are the business's own statement.
1 change recorded — last scanned Jul 3, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Boston Alliance Roofing. 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
Exterior rot repair4.9
Copper and slate roofing3.0
State-verified Home Improvement Contractor license since 2025Not yet rated
One-day installs, 14 windows done in hours5.0
Timely delivery3.8
