Flagg Builders, LLC

Flagg Builders is a Haverhill builder/remodeler with the kind of profile homeowners usually want to see for larger work: an active Massachusetts home improvement contractor registration, a Chamber of Commerce listing, permit history, and a small but clean Angi review set. Angi lists the company at 5.0 from six ratings and says it handles additions, bathroom remodeling, kitchen remodeling, new construction, and renovations. The public review trail is positive, but it is not deep. The Angi reviews are from 2025, and Google shows only one rating, so the rating should be read as promising rather than settled. BuildZoom adds another angle: it links Keith Flagg/Keith Flagg Construction in Haverhill to 11 permits, a BuildZoom score of 93, and one project in 2025, while also saying it has no BuildZoom customer reviews. The main thing to pin down before booking is licensing identity. The state registry verifies Massachusetts HIC #216022 for Flagg Builders LLC, while BuildZoom and Angi list Keith Flagg-related license information, including CSL #CS-112084 and, on BuildZoom, HIC #191269. That does not make the profile unusable, but it is exactly the kind of detail to ask about in writing before a major remodel, addition, or new-construction job. For a homeowner, Flagg Builders looks most relevant for whole-room remodeling and builder-led projects rather than small handyman work. Ask for a written scope, current license/insurance certificates, and examples of recent jobs like yours before comparing bids.