Foundation Repair Services: Long-Term Solutions for Your Home
From cracks and sticking doors to sagging floors and settling homes, NV Waterproofing and Foundation Repair provides permanent foundation repair solutions backed by engineered systems and an industry-leading transferable warranty.
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Common Foundation Problems We Solve
Foundation problems seldom begin with dramatic structural damage. They often start small, with wall cracks, sticking doors, uneven floors or a leaning chimney. Explore the common signs of foundation damage to figure out what may be happening with your home, and learn when it's time to have your foundation inspected.
Foundation Cracks
Vertical, stair-step and horizontal cracks in poured concrete, block or brick foundations can all be signs of structural movement. Though some cracks are cosmetic, others require foundation crack repair to keep additional damage from developing.
Bowing Walls
Basement walls that are bowing or leaning inward often indicate pressure building against the foundation. That movement can grow more severe over time, making early evaluation important.
Sticking Windows and Doors
Doors and windows that start sticking, won’t latch right or have uneven gaps can be a sign your home’s foundation has shifted. These shifts often happen as the structure moves out of alignment.
Sagging or Bouncy Floors
Floors that slope, bounce or feel uneven often point to structural movement beneath your home. Whether it stems from foundation settlement or crawl space support issues, these signs shouldn’t be overlooked.
Leaning Chimney
A chimney that looks tilted or pulled away from your home can signal movement beneath its footing. Chimneys are heavy structures, so, even small shifts can point to a larger foundation concern.
Street Creep
Expanding concrete streets and driveways can steadily push against your garage floor and foundation. This is a condition known as street creep. Ignored, this pressure can lead to cracks, movement and structural damage.
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Causes
What Causes Foundation Damage?
Foundation issues almost never happen overnight. Soil conditions, moisture, drainage and natural settling gradually place stress on your home. Left untreated, these issues can eventually contribute to foundation failure.
Foundation Settlement
Over the years, the soil beneath your home can compress or shift, leaving portions of the foundation without adequate support. Common house settling signs include wall cracks, sticking doors, sloping floors and stair-step cracks in brick.
Expansive Soil
Soil naturally expands, contracts, settles and shifts as moisture levels change. This never-ending cycle places repeated stress on foundations, leading to cracks, settlement and structural movement over time.
Poor Drainage
Gutters, grading and downspouts each play a part in protecting your foundation. When water pools around the home, hydrostatic pressure and saturated soil can drive faster foundation settlement and basement wall movement.
Freeze-Thaw Cycles
Winters in the Midwest bring repeated freeze-thaw cycles that make soil and concrete expand and contract. In time, this movement can shift the ground beneath your home and contribute to cracks and settlement in the foundation.
Poorly Compacted Fill Soils
If the soil under your home wasn’t compacted properly during construction, it can settle gradually over time. When the ground sinks, portions of your foundation may lose support, causing settlement, cracks and structural movement.
Extended Dry Periods
Extended periods of dry weather can cause the soil beneath your home to shrink and pull away from the foundation. Without steady support beneath it, your foundation can shift or settle unevenly, causing cracks and other signs of structural movement.
Foundation Repair, Done the Right Way
See why thousands of homeowners have trusted NV Waterproofing and Foundation Repair as their foundation repair contractor. Schedule your free, no obligation foundation inspection and get honest answers from trained professionals.
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Our Foundation Repair Solutions
Foundation Piering
Steel push piers and helical piers are set deep into stable load-bearing soil to permanently stabilize settling foundations and, in many cases, return portions of the home closer to their original position.
Wall Repair
Whether your walls are bowing, cracking or leaning inward, engineered systems such as PowerBrace®, GeoLock® and CarbonArmor® stabilize foundation walls without major excavation.
House Jacks
SmartJack® crawl space supports reinforce sagging floor systems, helping repair sagging floors while restoring strength and stability throughout the home.
Crawl Space Repair
Moisture control, encapsulation, drainage upgrades and structural support work together to protect crawl spaces while helping prevent sagging floors, wood rot and mold growth.
How It Works
Your Foundation Inspection, Step by Step
Step 1
Inspect Your Home
We start by inspecting both the inside and outside for telltale signs of foundation movement, such as cracks, uneven floors, sticking doors and windows, wall movement and visible gaps around the home.
Step 2
Check the Structure.
Next, we go over your foundation and supporting structural components, including foundation walls, basement or crawl space areas, floor framing and support systems|such as foundation walls, basement or crawl space areas, floor framing and support systems|covering foundation walls, basement or crawl space areas, floor framing and support systems} to locate where movement has occurred.
Step 3
Trace the Contributing Factors
There’s always something behind foundation issues. We examine drainage, grading, gutters, moisture conditions and the surrounding soil to understand what’s contributing to the issue.
Step 4
Document Everything We Find
Using measurements and observations taken throughout the inspection, we figure out the extent of any movement, note any patterns and determine whether conditions appear stable or may continue to change.
Step 5
Lay Out Your Solutions
Before we go, we’ll explain our findings in clear, straightforward terms, answer your questions and offer a personalized repair recommendation. Every home is different, so there’s no one-size-fits-all foundation repair solution.
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Benefits
Why Homeowners Keep Choosing NV Waterproofing and Foundation Repair for Foundation Repair
- Family-owned company serving the Midwest since XXXX
- Engineered repair solutions backed by Supportworks
- Transferable warranties for long-term peace of mind
- Financing options available
- One contractor for foundation repair, waterproofing, concrete repair, and gutter solutions
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What To Expect
Ready to get started?
Schedule a free estimate to start your repair journey with Thrasher.
Schedule your inspection
Fill out our form or give us a call to book your inspection. Share what you’ve noticed so we can send the right expert to your home.
Full home
inspection
An expert will inspect the problem area and surrounding conditions, including soil movement, drainage, structural integrity, and any related concerns.
Clear explanation
of findings
We’ll walk you through what we’re seeing in easy-to-understand language so you know the root cause of the issue, not just the symptoms.
Review recommendations
If repairs are needed, we’ll outline your options, pricing, and timeline so you can make the best decision for your home.
Schedule your free inspection—
It'll only take
a minute
Meet with a trusted expert, and get
clear answers about your home.
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Don't just take our word for it
See what our customers have to say about our work.
NV Waterproofing was extremely responsive and 100% committed to identifying our water problem and designing a solution. Their work was excellent. The crew was on time and organized. They were very careful to protect the exterior landscaping and the interior of our home from dirt and debris. Even two years later, they responded to a sump problem at no additional charge. NV Waterproofing does the job right and stands behind its work.
Mike and Lynn F. | Columbia, MD
We bought a house in a state of disrepair, and so we've had to work with a number of contractors. I'd rank this company at the top of the list for their professionalism, knowledge, experience, and honesty. We had bowing of our basement walls that needed to be addressed. Michael came out to assess the situation, and gave us some options. After speaking with him, I felt very confident in their ability to buttress our walls. It was also a huge bonus that we were able to set up a payment plan for this job too. When the team showed up, Casey, Kevin, and Grant, they were super polite and professional. They took great care of our property, and if they had a question about anything, they asked. Also, if I had a question, Casey (the foreman), was very knowledgeable and quick to answer. They presented the work as they progressed through the job, and really, I was actually a little blown away by the scale of the project, and the speed at which they worked. What an impressive job they did! We're very confident in the work they did and will hire them again.
Ellen M. | Takoma Park, MD
We were referred to NV Waterproofing from my brother-in-law who used them and was pleased. They came out and gave us an estimate - they were very prompt. We had the work done - it looked great and I am sure will do the job (only time will tell). We did have a miscommunication with the work (mostly on our part), but the owner had it fixed promptly and without additional cost. I would highly recommend them to anyone with water issues in their basement.
Susan C. | Washington DC, DC
NV stuck with me and made sure I was happy. Roberto Jr kept me calm as my problem persisted and kept working on a solution beyond the obvious. I highly recommend. Looking forward to a dry basement this summer.
Dean R. | Washington, DC
I am writing this letter to commend members of your organization for the waterproofing work performed on and around the foundation of my house. Despite situations beyond the control of both me and your associate, he always maintained professionalism and demonstrated why he is an outstanding representative of your organization. The crew obviously knew what had to be done and went about doing it. They were prompt in arriving at work each day, diligent in the performance of their duties (in spite of high heat and humidity), and took measures to ensure the safety around the excavated area (important because of children in the neighborhood). Unlike other construction sites I have seen, the crew maintained the area free of litter— no small measure these days! In addition, the crew always provided clear explanations of the work to be done each day, answering the questions with forthright and clear responses, never hurrying the discussion. As I was not on site while work was being done, they called me several times, taking those extra steps to keep me informed of the status of the work and aware of the tasks yet to be performed— something that is greatly appreciated. I would appreciate it if you would offer my heartfelt thanks to your able crew for the quality waterproofing work performed and the excellent communication and coordination exhibited by them.
Myra L. | Washington, DC
In my 12 years of having NV Waterproofing as a business partner, they have always proved reliable and trustworthy. They are a great value for me and my customers.
Darryl O. of Brookfield Homes, | Washington, DC
Great professional service and able to respond in timely manner to the project need.
Blake B. | Washington, DC
Brendan was very knowledgeable, professional and courteous. Highly recommend.
Cesar T. | Arlington, VA
A brief note to thank NV Waterproofing for extreme professionalism and courtesy in the manner in which my recent basement water seepage problem was addressed. From the initial contact with Jim, through the work with Roberto, Carlos and Jose, it was an overall pleasant experience – not to mention my contact with the owner and his responsiveness.
Ramesh T. | Arlington, VA
These guys were amazing. The initial visit was smooth, not pushy at all and he was even able to accommodate the relocation of a small drainage pipe. The demo to install the system was done beautifully, yes it was really good, you can tell they were precise and careful when doing so. Everything was clean, no stains on my carpet and they protected everything. No leak so far and I love it. Did I mention the price was excellent? I had 3 other companies to estimate thousands and even tried to sell extra unnecessary equipment. Thank you NV Waterproofing I have and will continue to recommend you.
Chelly Z. | Falls Church, VA
We appreciated NV Waterproofing's honesty and the men who worked tirelessly in uncomfortably cold weather. We've had one big storm since they finished and the basement walls are nice and dry. Nice work!
Peter V. | Falls Church, VA
Mauricio and Cristian were the initial sales reps who came to examine the issue and they took the time to test drainage that might have potentially been creating the water issue. They offered a reasonable solution (sealing the visible cracks and holes in the concrete) and I was contacted within a couple of days with an estimate and scheduling options. Sean was our tech and he did a fantastic job diagnosing the issue beyond just the cracks. He not only address all the holes and cracks in the concrete and mortar, he sealed up additional entry points above the foundation. He sourced additional materials to cover openings for cable lines. He went above and beyond and gave us measured information on how we should continue to monitor and treat this area as the house settles. He was thorough, informative, and provided excellent service in his work. I'm very glad that Sean was the technician sent to us and I would specifically request him for your projects.
Sara T. | Falls Church, VA
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Before & after photos
Check out before and after photos from some of our completed projects.
Sunken Concrete Step Repair in Stephens City, VA
This Stephens City, VA homeowner was dealing with a sunken concrete front step that had settled over time, creating an uneven entryway and a noticeable tripping hazard near the front door. Sunken concrete steps can make everyday foot traffic unsafe for homeowners, guests, and delivery drivers, while also taking away from the home’s curb appeal. Our concrete repair team lifted and leveled the front step back to its proper position, creating a safer, more stable walkway and entrance. This concrete step repair helped reduce the risk of falls, improved the look of the front entry, and gave the home a cleaner, more welcoming appearance. The homeowner was thrilled with the outcome — a big transformation that improved both safety and curb appeal!
Basement Waterproofing in Winchestor, VA
A homeowner in Winchester, VA, was struggling with a failing sump pump that couldn’t keep up during heavy rainstorms, leaving their basement vulnerable to water intrusion. The lack of a reliable backup system also left them worried about potential flooding during power outages. Frustrated and seeking a dependable solution, they contacted NV Waterproofing and Foundation Repair, a trusted basement waterproofing company in Winchester, VA.
After assessing the situation, we replaced their old sump pump with a state-of-the-art TripleSafe Sump Pump system. This advanced system includes three levels of protection: a primary pump, a secondary pump for heavy water flow, and a battery backup to ensure the basement stays dry even during power outages. The homeowner now has peace of mind knowing their basement is fully protected, no matter the weather.
Pool Deck Leveling in Manassas, VA
A homeowner in Manassas, VA, quickly realized their dream backyard pool was at risk when the surrounding concrete pool deck began to show serious problems. Uneven and sunken slabs created tripping hazards and unsightly cracks, making both safety and aesthetics a challenge for anyone using the space. Additionally, water from rain and pool use was pooling in low spots, causing slippery surfaces and further soil erosion beneath the deck. These issues not only threatened the safety of family and guests but also compromised the value and enjoyment of the home.
Seeking an effective solution, the homeowner reached out to our team for a professional assessment. We identified the main cause of settlement: soil erosion under the slabs—a common issue in Manassas due to its clay-rich ground and fluctuating moisture. To address both the immediate hazards and prevent future damage, we recommended our two-part approach: the cutting-edge PolyLevel® concrete leveling system and NexusPro® Joint Sealant.
The repair process began with drilling small holes into the affected concrete slabs, allowing us to inject high-strength PolyLevel® polyurethane foam beneath the surface. As the foam expanded, it filled voids, stabilized the soil, and gently lifted the slabs back to their original positions. The process was quick, clean, and minimized disruption, giving the pool deck a level, safe surface once again. PolyLevel® foam is waterproof and lightweight, reducing the risk of future settling and ensuring long-term durability, even in a wet poolside environment.
To provide further protection, we sealed all cracks and joints with NexusPro® Joint Sealant. This flexible, weather-resistant sealant prevents water from seeping beneath the slabs, protecting the soil and concrete from additional erosion. The result was a clean, finished appearance that not only improved the look of the deck but also safeguarded it for years to come.
Thanks to modern concrete leveling technology, the homeowner’s pool deck was transformed from a liability into a safe and attractive outdoor gathering space. The project was completed in a single day, with minimal mess and immediate results, giving the homeowner peace of mind and renewed pride in their backyard. If you’re facing similar issues with your pool deck in Manassas, VA, the PolyLevel® system and NexusPro® Joint Sealant offer a fast, effective, and lasting
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Frequently Asked Questions
Most residential foundation repair projects take one to three days, depending on the size of the job. Your crew will move quickly to minimize disruption to your home and property, and they’ll leave the site clean so you can get back to normal fast.
When the proper foundation repair solution is matched to the underlying problem, it’s meant to provide long-term stability. Professionally engineered solutions such as push piers, helical piers, PowerBrace®, GeoLock®, CarbonArmor® and SmartJack® come backed by an industry-leading transferable warranty for added peace of mind.
The cost of foundation repair services hinges on several factors, including the severity of the damage, the type of repair needed, accessibility, the depth of piers (if required) and the size of the affected area. Since each home is different, the most reliable way to determine cost is with a free inspection and written estimate tailored to your home.
Foundation problems often appear as everyday changes around your home. Cracks in drywall or foundation walls, sticking doors and windows, sloping or bouncy floors and even a leaning chimney can all point to underlying structural movement. These count among the most common foundation warning signs, but only a professional inspection can determine the true cause.
Yes, NV Waterproofing and Foundation Repair serves homeowners all over [Target Location] and the surrounding communities.
Related pages
Service Areas
NV Waterproofing has locations throughout Northern Virginia, D.C., and Suburban Maryland.
Resources
Access valuable resources to help keep your home healthy and your family safe.
Our Promise
At NV Waterproofing, we pride ourselves on providing permanent solutions, and stand behind our work with industry-leading, fully transferable warranties and guarantnees.
