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Mavridis Contracting Services works out of Milton, run by George Mavridis, and the reviews describe a company built around bigger, structurally complicated jobs rather than quick fixes — full kitchen guts, bathroom remodels, decks, and whole-house exterior work. Massachusetts permit records list 27 permitted projects for the company, most of them kitchen remodels. What shows up again and again, across a decade of five-star reviews from 2014 through 2024, is George's own hands-on problem-solving. In a 2020 review, a homeowner described how he uncovered a bad foundation condition under a planned deck and fixed it rather than building around it; in a 2024 review, a customer recounted him replacing rotted attic framing under a shower renovation for less than expected, just to get the job right. A 2014 account of a five-bid renovation described him absorbing a stream of mid-project changes — torn-down ceilings, re-permitting, engineer redesigns — without losing his pricing discipline, and a customer who gutted an 1890 Victorian kitchen in 2020 credited his crew with correcting a settled, uneven floor rather than building around it. Most of the written detail runs from 2014 to 2021, with one more recent account from March 2024 describing the same pattern: a competitive, honest estimate and a small crew working alongside subcontractors. That review is also the one candid caveat in fifteen otherwise glowing accounts — the reviewer noted the crew "is not super fast," a tradeoff for the same hands-on, no-corners-cut approach everyone else describes. On the licensing side, BuildZoom lists a company Home Improvement Contractor registration, #191100, as active, alongside an earlier registration, #142006, shown as cancelled; Angi and HomeAdvisor separately list a Massachusetts Construction Supervisor number, CS-102685, expiring in August 2028, and BuildZoom lists a second active Construction Supervisor number, CS-123560. None of these have been checked directly against the state registry here, so it is worth confirming current status before signing anything. For a homeowner facing a renovation with real unknowns — an old house, a project that might change scope midstream, hidden structural surprises — this is the kind of contractor the reviews describe handling that well, repeatedly, for over a decade. Anyone in a hurry for a small job should ask about the crew's current schedule first, since the one specific comment on pace suggests they are not the fastest option in town.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Mavridis Contracting Services. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$23,000 – $35,000
Typical remodeling project around $29,000
I wanted a shower expanded. George Mavridis's estimate was very competitive but I hired him because I knew he was honest, quality focused and an open communicator. He has a small crew and excellent subs so he's not super fast. But Mavridis is excellent. One example: The shower needed a new fan, vented through the attic roof. The attic boards were all cut (before my time) in half when insulation was installed. The attic floor was unstable and unsafe. George was very busy but he had his team replace the boards with plywood panels...for 20% less than I expected. Why? Because he wanted to make sure I would be happy when the job was done. I could give 4-5 other examples but you get the point. If you hire George, you'll be pleased.
Our house is 50+ years old and had the original casement windows, which were starting to fail. In addition, the exterior of our house need to be painted and there were a great deal of shingles or trim that was rotted and needed to be replaced. George and his team did an outstanding job, kept us informed as they went along and completed everything on time and on budget. We couldn't be happier with how the house looks. I would highly recommend Mavridis Contratcing to anyone looking for a contractor.
Cannot say enough good things about Mavridis Contracting and its sub-contractors. This was a challenging project in part because the prior remodeling contractor (from forty years ago) cut many corners that needed to be remedied. Mr. Mavridis, his employees, and sub-contractors identified and explained every issue so that we could make informed decisions. The team was courteous, professional, skilled, and very tidy (cleaning up after each day). The finish work (tiling, carpentry, etc.) is excellent. Even the city inspectors provided unprompted compliments on the final product.
George and his crew were excellent. What I appreciated most was his integrity and commitment to providing quality work. He didn't cut corners, and he made recommendations that will ensure that my new deck will last for years to come. He discovered some pre-existing conditions with the foundation of my home that he could've ignored and that could've caused problems down the line had he not addressed them and just built around them. While I had not anticipated having to make such extensive repairs, it made sense, and I'm glad that I did. I'd work with this company again and highly recommend George and his crew to others. The work was well done; he worked on it until finished not leaving to take on other projects; and they cleaned up the area every day. Already, I've gotten lots of compliments on the work and look forward to next Spring when I can enjoy the deck again.
The best remodeling experience I've ever had.
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No changes recorded yet — last scanned Sep 5, 2026.
Detailed craftsmanship5.0
Renovates century-old structures5.0
