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V Castillo Construcción Inc is a Waltham, Massachusetts outfit homeowners call for deck work — refurbishing, repairing, and rebuilding porches and decks — and its Thumbtack listing also covers roof repair and gutter maintenance. The company reports eleven years in business under Mario Velasquez, and Thumbtack has marked it a background-checked Top Pro. What customers describe is consistently deck work, done well. One homeowner had an entire deck refinished with new Trex decking and vinyl railings, and when unseen damage to the support structure turned up mid-project, Mario communicated the problem and fixed it. Another reviewer had a cut-of-wood issue on a deck rebuild — the crew was back the next morning to correct it, and still said they'd hire again. A third called out a fast, friendly deck refurbishment. All twelve ratings on the platform are five stars. Worth asking about before booking: the written record is thin — three detailed reviews, all from 2025, all deck jobs. If you're hiring for the roofing or gutter work the Thumbtack listing also covers, ask to see recent examples, since the customer feedback on file doesn't touch that side of the business. For deck or porch work in the Waltham area, the pattern here — a crew that comes back to fix what didn't land right, and a perfect run of ratings — is the strongest thing to go on.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from V Castillo Construcción Inc. Use it to sanity-check bids, then get the real number in writing.
A typical single-level deck is 12×16 — about 200 sq ft.
Estimated range
$7,750 – $14,500
Typical carpentry project around $11,100
Very happy with the deck refurbishment Mario and his team did for us. They were fast and friendly, and results look great!
Mario and his team refinished my deck with new Trex decking and vinyl railings and it looks stunning. The team were extremely professional and punctual and they cleaned up at the end of each day, leaving my yard usable. Uncovering some unseen damage to the support structure, Mario communicated the concern and possible solutions, executing the repairs perfectly and cost effectively. If you have a project needing a professional, I wouldn’t think twice about hiring V Castillo Construction.
Mario and his crew did an excellent job on my deck. There was a problem with the cuts of wood I was not happy with. I contacted Mario and the next morning they were on the deck fixing what I wasn’t happy with. I would highly recommend Mario for any job needed. I would also use his company again if needed. Gail D.
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1 change recorded — last scanned Sep 6, 2026.
Came back to fix deck stairs years later5.0
Decks and porches5.0
Custom sheds5.0