Mold remediation in Montgomery County, PA and Chester County, PA that actually lasts. We don't just clean the surface—we waterproof your foundation to eliminate the moisture feeding the problem, so mold doesn't come back.
Unlike mold-only companies, we fix both the symptom and the cause. That means your basement stays dry and mold-free long-term.
Lifetime Transferable Warranty
All our waterproofing work is backed by a warranty that protects you for life and adds value if you sell your home.
Family Run Local Business
No corporate upselling or scare tactics. Just honest assessments, fair pricing, and solutions that actually work for your home.
Licensed and Fully Insured
Our trained inspectors and installers have the credentials, equipment, and insurance coverage to handle your project safely and correctly.
Why Homeowners Choose Del Val
What Our Customers Are Saying
Real reviews from real homeowners who trusted Del Val with their basement waterproofing needs.
Mold Removal Services in Montgomery & Chester County, PA
Mold Remediation That Fixes the Real Problem
If you've found mold in your basement or crawl space, you already know it's more than just an eyesore. It's a health risk, a threat to your home's structure, and a problem that keeps coming back if you don't address what's causing it. That's where most mold removal companies stop short.
We take a different approach to mold remediation services. We're not just mold removal specialists—we're waterproofing experts who understand that mold doesn't grow without moisture. When we handle mold remediation in Montgomery & Chester County, PA, we eliminate the mold you can see and fix the water infiltration you might not. That's how you get results that actually last.
Whether it's basement mold from foundation leaks, crawl space mold from poor ventilation, or growth behind walls from hidden moisture, we've seen it in homes across the Delaware Valley. And we know how to fix it for good.
Professional Mold Remediation Montgomery & Chester County, PA
What You Get When the Job's Done Right
Mold remediation isn't just about removal. It's about creating a basement or crawl space that stays clean, dry, and safe for your family.
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Your family breathes cleaner air without mold spores triggering allergies, asthma, or headaches every time they're downstairs.
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Mold won't keep coming back after every rainy season because the moisture source has been eliminated at the foundation level.
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Your home's structure stays protected from rot, decay, and the long-term damage mold causes to wood, drywall, and insulation.
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You'll have professional documentation if you need it for insurance claims, real estate transactions, or proving compliance with local codes.
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That musty smell disappears for good, so your basement is a space you can actually use instead of avoiding.
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Your property value stays intact without the disclosure issues or buyer concerns that come with unresolved mold problems.
Basement Mold Removal Montgomery & Chester County, PA
Why Mold Keeps Coming Back in PA Homes
Here's what most homeowners don't realize: scrubbing mold off your basement walls doesn't solve anything. You might see clean surfaces for a few weeks, maybe a month. Then it's back. Sometimes worse than before.
Mold needs three things to grow—moisture, organic material, and time. Your basement has plenty of organic material in the form of drywall, wood framing, and insulation. Time isn't going anywhere. That leaves moisture. And if water is still seeping through your foundation, condensing on cold surfaces, or pooling in your crawl space, mold will return no matter how much bleach you use.
Pennsylvania homes face specific challenges when it comes to mold growth. Our humid summers create the perfect breeding ground for mold, especially in older homes built before modern ventilation standards. Add in aging foundations, proximity to rivers and waterways, and heavy spring rains, and you've got a recipe for chronic moisture problems in Montgomery County, PA and Chester County, PA basements.
That's why effective mold remediation services address the water first. We inspect your basement or crawl space to identify where moisture is entering, how it's accumulating, and what's allowing it to stay. Then we fix it with proven waterproofing solutions—interior and exterior drainage systems, exterior sealing, vapor barriers, sump pumps, whatever your home needs. Only then do we handle the mold clean up itself, because that's the only way to make sure it doesn't come back.
Backed by our lifetime warranty on most waterproofing systems
Protect Your Home Today
Don't Wait Until the Next Storm
Schedule your free inspection today. Most projects completed in just 1-3 days.
When you work with us for mold removal in Montgomery County, PA or Chester County, PA, you're getting a complete solution—not just a surface cleaning. Here's what that looks like.
We start with a thorough mold inspection. Our team enters your basement or crawl space waterproofing, documents the extent of the growth, identifies the type of mold present, and locates the moisture source. We take photos, check humidity levels, and inspect your foundation for cracks, leaks, or drainage issues. You'll know exactly what you're dealing with before any work begins.
Next comes containment and removal. We isolate the affected area to prevent mold spores from spreading to other parts of your home during the cleanup. Then we remove contaminated materials that can't be salvaged—drywall, insulation, carpeting, whatever has been compromised. Surfaces that can be cleaned are treated with professional-grade solutions, and we use HEPA filtration to capture airborne spores.
But here's where we're different: we don't stop there. Once the mold is gone, we address the moisture problem with foundation waterproofing, crawl space mold remediation techniques like encapsulation, drainage improvements, or dehumidification systems. That's the step most mold removal companies skip, and it's the reason their customers end up with mold again six months later. We make sure the conditions that allowed mold to grow in the first place are gone for good.
Mold Inspection and Removal Process
How We Handle Mold Remediation Start to Finish
01
Inspection and Assessment
We evaluate your basement or crawl space, document mold growth, identify moisture sources, and explain exactly what's needed to fix it.
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Mold Removal and Cleanup
We contain the area, remove contaminated materials, treat salvageable surfaces, and use HEPA filtration to eliminate airborne mold spores.
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Waterproofing and Prevention
We install drainage systems, vapor barriers, sump pumps, or exterior waterproofing to eliminate moisture and prevent mold from returning.
FAQ
Got Questions? We Have Answers.
Can't find what you're looking for? Our team is just a call away.
01How much does mold remediation cost in Montgomery County, PA and Chester County, PA?
Mold remediation costs vary based on the size of the affected area, the extent of the damage, and what's needed to fix the underlying moisture problem. For most basement mold removal projects in Montgomery County, PA and Chester County, PA, homeowners can expect to invest anywhere from $1,500 to $6,000, with industry pricing typically ranging from $10 to $30 per square foot. Smaller areas or surface-level mold may cost less, while extensive growth that's spread into walls, insulation, or structural materials will be higher. We provide honest, upfront assessments so you know what you're paying for before any work begins. We're not here to upsell you on services you don't need. Our goal is to give you a fair price for a permanent solution—one that includes waterproofing to prevent the mold from coming back. Keep in mind that addressing mold early almost always costs less than waiting. The longer moisture goes unchecked, the more damage it causes, and the more expensive remediation becomes.
02What's the difference between mold removal and mold remediation?
Mold removal and mold remediation are terms that get used interchangeably, but there's an important difference. Mold removal typically refers to just cleaning or scrubbing away visible mold from surfaces. It's a surface-level fix that doesn't address why the mold is there in the first place. Mold remediation, on the other hand, is a comprehensive process that includes removal, but also involves identifying and eliminating the moisture source, repairing any damage, and taking steps to prevent future growth. Think of it this way: mold removal is like mopping up water on your floor without fixing the leaky pipe. Mold remediation is fixing the pipe, mopping the floor, and making sure it doesn't leak again. We focus on true mold remediation services. That means we don't just clean up the mold you can see—we inspect your basement or crawl space to find out where moisture is coming from, we remove contaminated materials that can't be saved, and we install waterproofing solutions to keep your space dry long-term. It's the only way to get results that actually last.
03Is black mold dangerous and does it require special treatment?
Black mold, often referred to as Stachybotrys chartarum, has earned a reputation as being particularly dangerous, and there's some truth to that. It thrives in damp, water-damaged environments and can produce mycotoxins that are linked to respiratory issues, chronic fatigue, headaches, and other health problems—especially in children, elderly individuals, and people with compromised immune systems or pre-existing respiratory conditions like asthma. That said, not all black-colored mold is the toxic variety, and even non-toxic molds can cause health issues if you're exposed to them long enough. The bottom line is this: any mold growth in your home should be taken seriously and addressed by professionals. We treat all mold with the same level of care and thoroughness, whether it's black mold or another type. We contain the area to prevent spore spread, use proper protective equipment, remove contaminated materials safely, and apply HEPA filtration to clean the air. More importantly, we address the moisture problem that's allowing the mold to grow, because no matter what type of mold you have, it won't survive without water. If you're concerned about black mold in your Montgomery County, PA or Chester County, PA home, we can inspect the area, identify the type of mold present, and provide a clear plan for safe, effective mold remediation.
04Can I remove mold myself or should I hire a professional mold removal company?
The EPA and CDC recommend that homeowners only attempt DIY mold removal for very small areas—less than 10 square feet—and only if the mold is on non-porous surfaces like tile or glass. Even then, you need proper protective equipment, including gloves, goggles, and a respirator, because disturbing mold releases spores into the air that you can inhale. For anything larger, or if the mold is growing on porous materials like drywall, wood, insulation, or carpet, professional mold remediation is the safer and more effective choice. Here's why: mold often spreads beyond what you can see. It grows inside walls, under flooring, in HVAC systems, and other hidden areas. Without the right equipment and training, you can miss large sections of contamination, or worse, spread spores to other parts of your home during the cleanup. A professional mold removal specialist also knows how to identify and fix the moisture source that's causing the mold, which is something most homeowners overlook. We've seen plenty of situations where homeowners tried to clean mold themselves, only to have it return within weeks because the underlying water problem was never addressed. If you're dealing with mold in your basement, crawl space, or anywhere else in your home, the smartest move is to have it inspected by someone who knows what to look for and how to fix it correctly the first time.
05How long does mold remediation take from start to finish?
The timeline for mold remediation depends on the size and severity of the problem, as well as what's needed to address the moisture source. For a typical basement mold removal project in Montgomery County, PA or Chester County, PA, the process usually takes anywhere from a few days to a week. Smaller jobs with limited contamination and straightforward moisture fixes can sometimes be completed in two to three days. Larger projects that involve extensive mold growth, removal of structural materials, or complex waterproofing work may take longer. Here's a general breakdown: the initial mold inspection and assessment usually happens within a day or two of your call. Once we've identified the scope of the work, we'll schedule the mold clean up services itself, which includes containment, removal of contaminated materials, cleaning, and treatment of affected surfaces. Depending on the project, this phase can take one to several days. After the mold is removed, we move on to the waterproofing or moisture control phase—installing drainage systems, vapor barriers, sump pumps, or sealing your foundation. This step is critical because it's what prevents the mold from coming back, and it may add a few days to the overall timeline depending on what your home needs. Throughout the process, we keep you informed about what's happening and when to expect completion. Our goal is to get the job done as quickly as possible without cutting corners, because doing it right the first time is always faster than having to come back and fix it again.
06Will mold remediation be covered by my homeowners insurance?
Whether your homeowners insurance covers mold remediation depends on what caused the mold and the specifics of your policy. In general, insurance companies will cover mold removal if the mold resulted from a sudden, accidental event that's covered under your policy—like a burst pipe, appliance malfunction, or storm damage. If the mold is the result of long-term neglect, poor maintenance, or gradual water seepage that wasn't addressed, most policies won't cover it. Insurance companies view mold prevention as the homeowner's responsibility, so if the mold developed because of an ongoing leak or moisture problem that you didn't fix, you'll likely be paying out of pocket. That said, every policy is different, and it's worth reviewing your coverage or speaking with your insurance agent to understand what's included. If you do have a covered claim, we can provide the documentation you need—detailed reports, photos, and a breakdown of the work performed—to support your claim. We've worked with plenty of homeowners and insurance adjusters over the years, and we know what's required to make the process as smooth as possible. Even if insurance doesn't cover the mold remediation services, addressing mold sooner rather than later almost always saves you money in the long run. The longer you wait, the more extensive the damage becomes, and the higher the cost to fix it. Plus, unresolved mold can affect your home's value and create complications if you ever decide to sell.