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Typical your area range for this kind of work, from regional averages — not a quote from David Mangini & Co. LLC. 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
Roof, windows, siding and a deck in one job: that is what a 2026 customer said David and his team replaced, adding that he was open about the scope of work and the options. David Mangini & Co. says it has provided residential construction to Fairfield County clients, architects and homeowners for over 30 years, and its Houzz profile names custom homes, additions, renovations and kitchen makeovers. A 2025 customer wrote that David had done many projects for them over ten years, including a new deck, a room addition over the garage, a new roof, windows, siding and redecoration of four bathrooms. A 2025 reviewer described a kitchen remodel after a small fire and said it was kept within budget. A 2025 customer who hired him for a major renovation and addition said every part of the renovation was completed on time. A 2021 customer said David did a total renovation of a two-bedroom apartment flooded with rainwater and finished the job in under two months, under budget. A 2021 customer described a full kitchen gut with a wall removed and said David reused the existing cabinets. A 2020 customer who needed a basement main beam replaced and back-deck supports repaired said his team, led by Louie, worked fast, and that he communicated any additional costs. A 2015 architect wrote that the owners were able to keep living in their home during a renovation and addition. On Google the company shows 5 stars from 13 ratings, and on Houzz 4.9 stars from 12. Connecticut lists the company's home improvement contractor registration, HIC.0620644, as active.
David and his team did an excellent job replacing our roof, windows, siding and deck. He was consistently open and transparent about the scope of work and the available options, which made the entire process straightforward and stress-free. I would highly recommend him.
Great experience working with David and his team on a full home remodel. They delivered high-quality work and, most importantly, stayed on schedule. We’re happy with the results and would recommend.
We are a ‘repeat’ and delighted customer/client of David Mangini & Co. Did I mention delighted? Sound unusual? Although builders and contractors have reputations that are generally rated below bill collectors and Members of Congress, our experience with David Mangini has been terrific. We found David (accidently) – after he was recommended from Kitchens by Deane. And within days, we knew we had the right team. Project plan, communication, regular up-dates, attention to detail, quality workmanship, and creativity are all part of David’s business plan. And, his crew shows up before you make the morning coffee. No guessing. Perhaps the most important element is that David – personally – makes every project better. He sees things that others (architects, designers, etc.) miss and can make suggestions to improve the outcome and wisely save (and/or spend) money too. Repeat customers/clients are difficult to find in any industry. David Mangini & Co. is highly recommended. Prepare yourself to be delighted. Bruce T.
David mangini has done multiple projects for us in multiple homes from complete rebuild to renovations. His work is excellent, and his subcontractors are always reliable, honest, timely and helpful. He has a long list of subs or anything you may need from re-sanding and sealing your marble kitchen counters to anything else involved in renovating or building a home. And, he has a pleasure to work with as he is thorough, timely, personally involved with every project and has a delightful personality.
David and his team completed a remodel of my kitchen after a small fire. I was thrilled with the outcome, and would highly recommend his firm. He listened to my needs, came up with creative solutions to some challenges, and kept the project within my budget. His experience and eye for what will work was very helpful to the outcome. Below are some before/after pics.
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1 change recorded — last scanned Oct 13, 2026.
Gut bathroom renovations with walk-in and curbless showers4.9
Transparent bathroom budget with no surprises4.8
Layout redesign that borrowed space from two rooms4.4
Siding rot fixed properly, not patched over4.2
Deck rebuilt with the stairs relocated4.2
BBB A+Not yet rated