How much does basement waterproofing cost in Massachusetts?

The cost of basement waterproofing depends on the size of the basement, the source of water intrusion, and the repair method required. Contact Lapans Basement Waterproofing for a free inspection and personalized estimate.

What is the best way to waterproof a leaking basement?

The best solution depends on the cause of the leak. Common methods include interior drainage systems, sump pump installation, foundation crack repair, and exterior waterproofing to keep your basement dry.

Do foundation cracks always leak water?

Not every foundation crack leaks immediately, but any crack can allow water to enter over time. Repairing foundation cracks early helps prevent costly structural damage and moisture problems.

How do I know if I need a sump pump installation?

If your basement frequently floods, has standing water, or experiences heavy groundwater during storms, installing a sump pump is one of the most effective ways to protect your home.

What causes water to leak into a basement?

Basement leaks are commonly caused by foundation cracks, hydrostatic pressure, poor drainage, clogged gutters, failed waterproofing systems, or heavy rainfall.

How long does basement waterproofing last?

Professionally installed basement waterproofing systems can last for decades when properly maintained. The lifespan depends on the waterproofing method and the condition of the foundation.

Can you repair a flooded basement?

Yes. Lapans Basement Waterproofing provides flooded basement solutions, drainage improvements, sump pump installation, and foundation repairs to help prevent future flooding.

Who provides the best basement waterproofing in Lowell, MA?

Lapans Basement Waterproofing provides professional basement waterproofing services in Lowell, MA, including foundation crack repair, sump pump installation, drainage systems, and moisture control solutions. We offer reliable inspections and customized waterproofing solutions to help keep your basement dry year-round.

Professional Basement Waterproofing in Lowell, MA

Nuisance or not, you cannot simply leave a wet basement alone. Water infiltration breaks down your foundation walls, fuels mold growth, and damages the structure holding your home up. At Lapans Basement Waterproofing, we have been stopping water at the source for over 40 years. We know exactly what it takes to keep a New England basement dry long term.

Conditions like drainage slope and foundation age vary from home to home, and hence, water intrusion risks also vary. Soil type and local water tables also affect how water finds its way in. That is why a quality waterproofing fix starts with understanding the specific cause. From interior basement waterproofing to exterior foundation waterproofing, we match the right solution to the actual problem your home has.

40+

Years of Experience

About Us

Family-Owned and Built on Over 40 Years of Results

Lapans Basement Waterproofing has been protecting homes across Massachusetts and New Hampshire since 1985. John LaPan started this business with one straightforward goal: fix water problems correctly the first time, every time. That standard has not changed. We are a family-run operation, and that shows in how we treat each job and each homeowner.

We work on all types of foundations, ranging from older stone and brick walls to poured concrete and block construction. Hydrostatic pressure and foundation cracks behave differently depending on the structure. Our team understands those differences. We do not guess the problem. We diagnose it first, then act. Families across Lowell, Chelmsford, Andover, Billerica, and Nashua trust us because we explain everything clearly and do what we say we will.

Customer Support

+1 508-843-6328

What Homeowners Are Saying on Angi

With over 85 verified reviews on Angi, Lapans Basement Waterproofing has built a strong record of satisfied homeowners across Massachusetts and New Hampshire. Customers consistently praise John and his crew for fair pricing and waterproofing work that holds up through heavy rain seasons.

Lapans Waterproofing & Home Maintenance

85 Angi reviews

John Lapan along with his son and crew are what every business should strive to be. They are professional, friendly, instills confidence, and clearly focused on the quality of their work from start to finish at a reasonable as well. We feel fortunate to have found John and crew...

We had a very unique basement water situation - part of our house was built on ledge and all winter and spring we lived with a pool of water on that ledge, which we had to pump out daily. We had half a dozen waterproofing companies come out and basically no one would touch this with a ten foot pole...

My husband and I received multiple quotes to waterproof our basement. John LaPan came in at a very fair price and was extremely professional. He thoroughly explained the drain system needed for our water issues and never tried to up sell us on anything unnecessary...

There have been no issues since and we have had some big rain storms since then. ?John was very prompt and professional. ?He came out the day after I called and located the problem and gave us a free estimate. ?He was able to schedule us?within a week. ?While doing the work...

      
      
 
 
    Jasper Reid 
 
 Excellent work. Professional and conscientious and quick, John knew what he was talking about and fixed my basement leak. The 25-year guarantee is also impressive.
    Google 
 Trustindex verifies that the original source of the review is Google. 
 
 
 
   
      
 
 
    Kristen Crowe 
 
 We could not be happier with our experience with John and his crew for a large French drain project in our home. They were extremely professional and considerate and the work was done perfectly and timely! We can finally feel confident in finishing our basement that we will never get water again.
    Google 
 Trustindex verifies that the original source of the review is Google. 
 
 
 
   
      
 
 
    Johnny Williamson 
 
 I can’t recommend John and his crew enough! The work they did was amazing and top notch quality. On top of the amazing work, they were all courtesy and consummate professionals. If you need work done John should be your first call. You won’t be disappointed!!
    Google 
 Trustindex verifies that the original source of the review is Google. 
 
 
 
   
      
 
 
    Matt Picard 
 
 John, Jimmy, and their team installed a French drain and new well/pump/discharge line in my basement. They were a pleasure to work with, going above and beyond to explain the work while being transparent about pricing and any hurdles encountered during the job. The system is rock solid and I no longer will have any anxiety when we get ample groundwater and/or rain. I cannot recommend them enough.
    Google 
 Trustindex verifies that the original source of the review is Google. 
 
 
 
   
      
 
 
    Kevin Tanguay 
 
 John Lapan, his son and the entire crew did an amazing job installing a full perimeter drainage system and sump pump inside our basement. They are a very hard working, professional and talented crew.  Johns communication skills are excellent and kept us updated with the progress, and any obstacles they had to overcome, which they did each time. I’m confident our basement water problems are a thing of the past. I highly recommend  Lapans Basement Waterproofing.
    Google 
 Trustindex verifies that the original source of the review is Google. 
 
 
 
   
      
 
 
    Ben Balian 
 
 John and his son went above and beyond! They really fixed our concrete walls that had water coming through and installed a beautiful French drain and sump pump. Now we have practically no water coming in and a fantastic system for if/when it does come in. I would highly recommend!
    Google 
 Trustindex verifies that the original source of the review is Google. 
 
 
 
   
      
 
 
    Amoria Brown 
 
 The Lapans are a friendly, diligent and hardworking family team that have been working together for the past 20 years. They have incredible work ethic, unmatched attention to detail, and are true experts in waterproofing basements, ensuring every job is done the right way! Th This remarkable business also offers and unbeatable 25 year warranty. Their prices are fair, and they will work hard to make sure your basement stays free of water!!
    Google 
 Trustindex verifies that the original source of the review is Google. 
 
 
 
   
      
 
 
    Joseph Stearns 
 
 John Lapan and his family business are amazing. Years ago we had a major water problem in our basement. They came in and put a drain system in just a week. They were neat and professional. They cleaned up every night so u could barely tell they were there. They also did a few other things to solve the problem as well and we have never had an issue since. Last year I needed a bulkhead put on my house. I never had basement access from the outside. John and his son were fantastic and the system they used to install and build it was amazing. We have them come every year to clean the drains and the pumps and it is so worth it. They actually pull the pumps and scrub them clean and make sure they work correctly. I 100% recommend them to anyone.
Joe Stearns, very satisfied customer.
    Google 
 Trustindex verifies that the original source of the review is Google. 
 
 
 
   
      
 
 
    Shannon Luna 
 
 “This company was great, John Lapan clearly knew what he was talking about and solved my aunts problems for thousands of dollars less than the other companies we had give us quotes. Him and his son were professional and courteous, they took their time making sure they did it right and were thorough to make sure my aunt and uncle knew what was going on every step of the way. 100% recommend for anyone with basement water issues”
    Google 
 Trustindex verifies that the original source of the review is Google.

Our Services

Basement Waterproofing Services That Fix the Real Problem

Sump Pump Installation

A properly sized sump pump system is your basement's first line of defense against rising groundwater.

Leaky Bulkhead

A leaking bulkhead lets water pour directly into the basement every time it rains.

Damp Basement

Persistent dampness along the basement wall or floor signals slow water intrusion.

Basement Drainage System

Poor drainage is the leading cause of most wet basement situations. We install interior drainage channels and French drains that move water away from the foundation before it causes damage.

Flooded Basement Cleanup

When water has already gotten in, fast action matters. We first clean up the flooded basement and then address the root cause so it does not happen again next season.

Foundation Crack Repair

Cracks in the foundation wall are entry points for water and early signs of structural stress. We repair foundation cracks using expert methods

Secure your Home’s Future

Ready to Stop the Water Problems for Good?

Water damage gets worse the longer it sits. If you have a wet basement, a leaking foundation, or a damp crawl space you have been putting off, call us. We will come out to look at what is actually happening and give you a straight answer. Call us directly or use the contact form to get started.

Areas We Serve

Serving Lowell, MA and Surrounding Communities Since 1985

North Andover, MA

North Andover homes deal with heavy snowmelt and clay-heavy soil that holds water against foundation walls for months. We handle interior waterproofing and basement drainage systems.

Concord, MA

Concord has an older housing stock with aging foundations and failing basement wall sealing, leading to water intrusion. We diagnose the exact problem and put lasting solutions in place.

Lexington, MA

Lexington homeowners frequently encounter basement leaking from seasonal groundwater rise. We install sump pump systems and drainage channels suited to the area's soil and water table.

Lowell, MA

Lowell's older foundation construction in its dense neighborhoods makes basement waterproofing a consistent need. We have worked on hundreds of homes here.

Gallery

A Look at Our Work Across Massachusetts and New Hampshire

40+

Years of Experience

Why Choose Us

Why Homeowners in Massachusetts Call Us First

When you hire someone to waterproof your basement, you need to know the fix will last. You need to make sure that the company is not there just to sell you the most expensive system available. We have built our reputation on solving waterproofing problems correctly with utmost honesty. Homeowners call us back years later because the previous work exceeded their expectations. That kind of track record does not happen by accident. It comes from 40 years of getting it right.

Proven Experience & Expertise

Decades of reliable waterproofing knowledge you can count on

Guaranteed Quality

Backed by solid warranties and a community of happy customers

Peace of Mind

Total protection from water damage and mold

Send us a message

With more than 40 years of experience, LaPan Waterproofing has earned a reputation for dependable craftsmanship and unmatched expertise.

Name

Phone Number

Subject

Service

Service Areas

Message

Contact Us

Need a Leak-Proof Home Contact Lapans Basement Waterproofing

Lapans Basement Waterproofing serves homeowners across Lowell, Chelmsford, Andover, Billerica, and Nashua, NH. We are available Monday through Friday from 8:30 AM to 9 PM. Call us directly, leave an email, or fill out the provided form. We respond quickly and can usually schedule a site visit within a few days.

Business Hours

Mon-Fri: 8:30 am - 9 pm