Alpha Basement Waterproofing New Haven County, CT

We provide professional basement waterproofing for homeowners across New Haven County. If your basement smells musty, shows signs of water damage, or collects puddles after rain, we’ll find the cause and fix it for good.

From coastal storms in West Haven to rainy days in Cheshire, we protect homes from leaks, dampness, and flooding. Our team uses proven, long-lasting solutions and we treat your home with the same care we’d give our own.

Find Us Near You in New Haven

Basement Waterproofing Services in New Haven County, CT

If your house sits near the Quinnipiac River or in the heart of New Haven itself, we have got custom solutions that fit your structure, soil, and drainage issues.

Full Interior & Exterior Waterproofing

Our interior and exterior waterproofing systems are built to handle New Haven’s coastal humidity and inland flooding, keeping your home safe and dry.

Sump Pump System Installation & Repair

Our team installs and repairs high-powered systems, ensuring your basement stays protected during Fairfield’s heavy rains.

Foundation Crack Repair

We clean, fill, and seal cracks and tie rod holes to stop leaks and protect your basement from damage.

Tie Rod Hole Repair and Waterproofing - Alpha Waterproofing

Tie Rod Hole Leak Repair

Tie rod holes are permanently sealed to stop leaks and safeguard your basement.

Garage Floor Coating

We resurface concrete, repair cracks, and apply durable epoxy coatings that resist water, oil, and heavy use.

Garage Floor Concrete Coating in Connecticut

Basement Concrete Floor Coatings

After crack repairs, durable coatings are applied to basement floors, protecting against moisture, stains, and wear.

Local Waterproofing Experts Who Care

Alpha Waterproofing isn’t just a company, we are a tight-knit team serving New Haven County with hands-on care. From Mario and Dave to every technician who walks into your home, we show up with a plan, explain every step, and never leave until it’s done right.

Every Job Starts with the Right Diagnosis

We Inspect First. Then We Fix What Matters.

Every job starts with a thorough assessment, during which we discuss everything in simple terms, from your walls and drainage to your foundation and sump.

Next, we create a waterproofing solution that suits your house, your schedule, and your financial constraints.

Let’s Fix Basement Leaks!

From minor cracks to major flooding, our team is ready to protect your home from water damage.

Local Service Areas in New Haven County, CT

Ansonia, Beacon Falls, Bethany, Branford, Cheshire, Derby, East Haven, Guilford, Hamden, Madison, Meriden, Middlebury, Milford, Naugatuck, New Haven, North Branford, North Haven, Northford, Orange, Oxford, Prospect, Seymour, South Britain, Southbury, Wallingford, Waterbury, West Haven, Wolcott, and Woodbridge.