Alpha Waterproofing New London County

We provide basement waterproofing for homeowners across New London County. From Mystic to Colchester, we fix leaks, musty odors, foundation cracks, and flooding caused by coastal storms, salty air, and high groundwater.

Our solutions are for local conditions such as oceanfront flooding or seepage through clay soil. We inspect your basement thoroughly, explain the problem clearly, and fix it the right way so your home stays dry and protected.

Find Us in New London

Waterproofing Services for New London County Homes

If your house sits along the shore or on a wooded inland lot, we provide custom waterproofing systems designed for your home’s structure, terrain, and water risks.

Interior & Exterior Waterproofing Systems

Our systems are designed to seal walls, manage water pressure, and block every entry point. We stop everything from hidden leaks to wall seepage, inside and out.

Sump Pump Repair and Installation

We install high-efficiency sump pumps, add backup options, and repair or replace old systems to make sure your basement stays dry, even during the worst downpours.

Foundation Wall Crack Repair and Waterproofing

Our team fixes cracks, applies sealant, and adds waterproof coatings to keep basements dry in CT.

Basement Tie Rod Hole Repair

We repair basement tie rod holes, seal leaks, and waterproof walls to stop water entry in Connecticut.

Best Garage Floor Coating

We apply strong garage floor coatings that resist stains, seal cracks, and last for years.

Basement Concrete Floor Coatings

We coat basement concrete floors in CT with durable finishes that resist water, cracks, and stains.

Locally Rooted. Professionally Reliable.

Real People. Just Results.

Alpha Waterproofing is made up of hard-working professionals who know this area and the problems homeowners face. Our crew arrives on schedule, walks through each step, and works quickly and neatly.

You won’t find confusing contracts or disappearing subcontractors here. Just honest service from locals who care.

Start with a Free Inspection, End with a Dry Basement

No Pressure. Just a Plan that Works.

We don’t provide any recommendations until we have had a chance to view your place. Our detailed inspections identify the true cause of your water issues and then we walk you through the smartest fix.

Clear answers, strong repairs, and fair pricing.

Call Our Experts Now

We have seen and solved everything from cracked walls to rising groundwater. If your basement is wet, musty, or leaking, we will find out why and give you a free, honest plan to fix it.

Areas We Cover in New London County, CT

Baltic, Bozrah, Colchester, East Lyme, Gales Ferry., Gilman, Groton, Hadlyme, Hanover, Jewett City, Lebanon, Ledyard, Mashantucket, Montville, Mystic, New London, Niantic, North Franklin, North Stonington, North Westchester, Norwich, Oakdale, Old Lyme, Old Mystic, Pawcatuck, Preston, Quaker Hill, Salem, South Lyme, Stonington, Taftville, Uncasville, Versailles, Voluntown, Waterford, West Mystic, and Yantic.