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DeIulis Brothers has been building out of Lynn since 1958. Its Better Business Bureau profile describes a general contracting and construction-management firm, incorporated in 1968, with about 15 employees and president Frank DeIulis at the head. The permitted work runs large and institutional: six BuildZoom permits include a $2.6 million window and door replacement in Lowell and a child-care center in Somerville, and the BBB profile lists commercial, education, health care, housing and religious clients. The Bureau grades the company A+, though it is not a BBB-accredited business, and it belongs to the local Chamber of Commerce. Two things to raise before you call. Violation Tracker lists a 2008 Occupational Safety and Health Administration penalty of $8,400 against the company for a workplace safety or health violation at a Braintree job site β old, but a fair opening for a question about how they run a site today. And the licence numbers come from a directory: BuildZoom's profile lists Home Improvement Contractor registrations #212235 and #109784 and Construction Supervisor licences #CS-108012 and #CS-040462, which you can check yourself against the Massachusetts registers. This is a firm built for a big, coordinated job β an addition, a gut renovation, a building-wide window replacement β so ask first whether they take residential work of your size. Confirm those registration numbers with the state, and get a certificate of insurance with the proposal.
βCoworkers are skilled, and crews usually get along well.β
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1 change recorded β last scanned Jul 19, 2026.
Typical Greater Boston range for this kind of work, from regional averages β not a quote from Deiulis Bros Constr Co. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$23,000 β $35,000
Typical remodeling project around $29,000
Decks and porches5.0
Clients returning for 10 and 20 years5.0
Detailed craftsmanship5.0
Renovates century-old structures5.0