LeBlanc Basement Waterproofing, LLC

LeBlanc Basement Waterproofing has built a large, consistent Boxborough-area following around one thing: fixing wet basements without oversell. Corey LeBlanc, a Massachusetts native with a background in construction and excavation, runs the family-owned company, and its Massachusetts home improvement contractor registration is active. Across 24 reviews from 2022 through 2026 spanning Google and Angi — every one of them five stars — the same story plays out again and again: water in the basement, a consultation with Corey, and a crew (often named — Rick, Mike, Zack, Paxton, Nate and Sean turn up repeatedly) that shows up on time and finishes clean. In a 2024 review, a homeowner described Corey laying out several options during the consultation without any pressure, even pointing out that a cheaper service from another company might be enough — they chose the full job anyway, digging to the foundation and adding a barrier and drain pipes. In another 2024 review of a bigger project, a homeowner in an 1800s colonial described the crew digging the basement floor down another foot, installing a perimeter drain, structural supports and a new concrete floor before waterproofing the walls, calling the before-and-after "night and day." The work itself is mostly French drains, sump pump systems, vapor barriers and perimeter drainage. In a 2024 review, one customer specifically praised the crew for protecting belongings with plastic barriers before cutting concrete, running a fan to clear dust, and vacuuming up daily. Several reviewers across 2024 and 2022 single out the office side too, mentioning a friendly scheduler named Crystal and quick response times when they were shopping quotes. Two claims about how long the company has been around don't quite line up: its own site says Corey started the business in 2014 while also marketing "20+ years of experience" elsewhere on the site, and its Angi profile separately lists 19 years of experience — worth a clarifying question if longevity matters to you, though it doesn't change the strength of the recent work. There's nothing negative on file across either platform, and the volume and consistency of detailed, specific praise — clean job sites, honest pricing conversations, and named crews who show up when promised — makes LeBlanc a strong option for a basement waterproofing project in the area.