Basement Waterproofing in Lexington, MA

Stop Basement Flooding for Good

Eliminate water damage, mold risks, and moisture problems with proven waterproofing solutions that actually work.

Professional Basement Sealing Services

Your Basement, Completely Dry and Protected

You’ll walk downstairs to a basement that stays dry year-round. No more musty smells hitting you when you open the door. No more worrying about your stored belongings getting ruined by unexpected flooding.

Your basement becomes usable space again. Whether you want storage that stays dry or you’re thinking about finishing the space, proper waterproofing gives you that foundation. The constant stress about water damage disappears.

You’re also protecting your biggest investment. Water problems don’t get better on their own, and the longer you wait, the more expensive the fix becomes. Professional basement waterproofing stops small problems from becoming major headaches.

Lexington Foundation Waterproofing Experts

We Know New England Basements

We’ve been handling foundation and waterproofing work in Lexington and surrounding Massachusetts communities for years. We understand how New England weather affects your basement, from spring thaw flooding to summer humidity issues.

You’re not getting a one-size-fits-all approach. Every basement has different challenges, and we’ve seen them all. Whether it’s an older stone foundation or a newer poured concrete basement, we know what works and what doesn’t.

We’re the local team that shows up when we say we will, explains what needs to be done in plain English, and stands behind our work.

Basement Waterproofing Process

Here's Exactly What We Do

First, we inspect your basement to identify where water is getting in and why. This isn’t a quick glance – we’re looking at foundation walls, checking for cracks, examining drainage patterns, and understanding your specific water problem.

Next, we explain what needs to happen. Some basements need interior waterproofing with drainage systems and sump pump installation. Others require exterior foundation sealing. Many need both approaches for complete protection.

Then we handle the actual waterproofing work. This might involve applying foundation sealers to your basement walls, installing interior drainage systems, or setting up proper sump pump systems. We use materials that are designed to last, not temporary fixes that fail after a few years.

Ready to get started?

Explore More Services

About Academy Masonry and Construction

Get a Free Consultation

Complete Waterproofing Solutions

Everything Your Basement Needs

We offer both interior and exterior basement waterproofing options depending on what your situation requires. Interior work includes drainage systems, sump pump installation, and waterproof sealant application to basement walls. Exterior waterproofing involves foundation sealing from the outside and proper grading.

We handle flooded basement cleanup and prevention. If you’ve dealt with water coming in during heavy rains or snowmelt, we install the drainage systems and barriers that stop it from happening again.

The cost of basement waterproofing depends on your specific needs, but you’ll know exactly what you’re paying for before we start. No surprises, no hidden fees, just clear pricing for the work that actually needs to be done.

How much does basement waterproofing cost in Lexington, MA?

The cost of basement waterproofing typically ranges from $3,000 to $10,000 depending on your basement size and what needs to be done. Simple interior sealing might cost less, while full exterior waterproofing with drainage systems costs more. We provide detailed estimates after inspecting your specific situation. The investment is usually much less than dealing with repeated flooding damage, mold remediation, or major foundation repairs down the road. Most homeowners find that proper waterproofing pays for itself through prevented damage and increased property value.

What's the difference between interior and exterior basement waterproofing?

Interior basement waterproofing works from inside your basement. This includes applying waterproof sealants to walls, installing drainage systems along the foundation, and adding sump pumps to remove water. Exterior waterproofing involves digging around your foundation to apply sealers from the outside and improve drainage away from your home. Interior solutions are often more cost-effective and handle most water problems. Exterior work is necessary for severe foundation issues or when interior methods aren’t sufficient. Many basements benefit from a combination of both approaches for complete protection.

How long does basement waterproofing take to complete?

Most basement waterproofing projects take 2-5 days depending on the scope of work. Simple interior sealing and sump pump installation might be done in 1-2 days. More extensive work involving drainage systems or exterior foundation sealing takes longer. We’ll give you a realistic timeline upfront and stick to it. Weather can affect exterior work, but we plan around that. The key is doing the job right rather than rushing through it. You’ll have a completely dry basement that lasts for decades, and that’s worth taking the time to do properly.

Will basement waterproofing prevent all future flooding?

Professional basement waterproofing eliminates water problems when done correctly. We design systems that handle normal groundwater, heavy rains, and snowmelt – the typical causes of basement flooding in Massachusetts. However, extreme events like sewer backups or catastrophic flooding might still cause issues, though proper waterproofing significantly reduces risk even then. The key is installing comprehensive solutions rather than quick fixes. Our waterproofing systems include redundancies like backup sump pumps and multiple drainage paths. You’ll have protection that handles the water challenges your basement actually faces.

Do you install sump pumps as part of waterproofing?

Yes, sump pump installation is often a crucial part of basement waterproofing. We install primary sump pumps, backup battery systems, and proper drainage that feeds into the sump pit. The sump pump removes water that collects around your foundation before it can enter your basement. We use reliable pumps sized correctly for your basement and install them with proper discharge lines that move water well away from your foundation. Regular sump pump maintenance is important, and we’ll show you what to check to keep your system working properly.

What are signs that my basement needs waterproofing?

You need basement waterproofing if you see water stains on walls, notice musty odors, find white mineral deposits on foundation walls, or have experienced any flooding. Other signs include peeling paint on basement walls, rust on metal items stored in the basement, or increased humidity throughout your home. Even minor dampness shouldn’t be ignored – it often gets worse over time. If you see water after heavy rains or during spring snowmelt, that’s a clear indication your basement needs professional waterproofing. The earlier you address these issues, the less expensive and complicated the solution becomes.

Local Resources