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Top-Rated Toxicity and mold removers in Leesburg - Updated Nov 2026

Avatar for MoldGone LLC
MoldGone LLC
4.8(
1,006
)
Toxicity and Mold - Removal

Serving Leesburg, VA and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"We called them due to concerns about potential mold in our son's bedroom. They came, tested, and the results were negative for problematic mold/air. In an industry rife with con artists, this was very refreshing. Highly recommend!"
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+8

Response time1 day
9 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for ZeroMold
ZeroMold
4.9(
41
)
Toxicity and Mold - Removal

Serving Leesburg, VA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Before the work was done James educated us about what he was looking for, the process was scientific , his high tech equipment enabled him to be specific and accurate. After the work was completed he came back to confirm the mold and mildew was eradicated. We definitely would hire this company again with highest recommendations."
Fogging Process
Commercial Fogging
Fogging Process
Before and After Mold Spore Count
Inspection

+5

Response time6 hrs
Response rate98%
20 neighbors recently requested a quote
Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Toxicity and Mold - Removal

Serving Leesburg, VA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Our cleaner Stephan was very professional, nice and informative. He even installed a special blue light with our system to prevent mold.... the same day. Would definitely recommend. The price went up because we opted to have mold cleaning and light installed. But very needed service. The price started around $240.00."
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+50

Response time10 hrs
1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Green Home Solutions of Northern Virginia
Green Home Solutions of Northern Virginia
4.7(
40
)
Toxicity and Mold - Removal

Serving Leesburg, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Offers commercial services

"Listened to what I had to say, respected the home, were mindful of our belongings, and did a fantastic job eliminating the problem. Left the house just as they found it barring the removal dry wall to get to some of the mold which was expected."
Small water intrusion  in Basement window
Got Mold?
Don't touch this
Work Fleet
Work Fleet

+17

Response time1 day
23 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for RESTOPROS OF NORTHERN VIRGINIA
RESTOPROS OF NORTHERN VIRGINIA
5.0(
5
)
Toxicity and Mold - Removal

Serving Leesburg, VA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

We're a locally owned and operated Restoration company that values honesty and integrity and treats your home as if it were our own. We handle all sorts of water mitigation and mold remediation projects as well as fire and smoke jobs as well. We can work directly with any insurance adjuster as we are approved by all or work with you as a self pay if there is no claim. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

4 neighbors recently requested a quote
Avatar for Green Solutions, LLC
Green Solutions, LLC
5.0(
45
)
Toxicity and Mold - Removal

Serving Leesburg, VA and surrounding areas

In business since 2009

Free estimates

Credit card accepted

"Highly recommend Green Solutions for mold remediation! In researching mold remediation contractors, I quickly settled on Green Solutions - principally due to their environmentally friendly process and procedures. After my contact, Mike arrived the next day to access the job and collect the info needed for an estimate. I had a proposal within hours and Mike and David began work within 48 hours. The initial scope of the job was to open a section of the garage ceiling to pinpoint the cause of mold forming on the ceiling drywall. I suspected the problem was caused from condensation from uninsulated/insufficiently insulated HVAC duct work, which proved to be the case. The ductwork had NO insulation! Until the ceiling was opened, there really wasnâ  t any way to estimate the full scope of the job. As it turned out, Mike and David had to follow the mold into the ceiling over a powder room just inside the house from the garage and treat that area and wrap HVAC ductwork there, as well. An estimated two-day job expanded into a four-day job (with commensurate cost increase, of course). Even though the time needed to remedy my problem doubled, Mike and David dovetailed the work into their other scheduled work and professionally finished the job. By the time they finished, all the mold had been removed in an environmentally safe manner; the entire house ductwork had been cleaned of dust and any pockets of mold it may have contained; the power room had been repainted; and I even had a new fan in the powder room ceiling, replacing the one thatâ  unbeknownst to meâ  wasnâ  t even connected anyway! Mike even repaired an old coffee table stored in the garage at no charge! I was so impressed with the responsiveness, versatility and professionalism Mike and David demonstrated that Iâ  ve already hired them again to clean and seal a large wooden deckâ  including a wooden table and two benches; a patio privacy fence and stone patios. After the second job is finished, Iâ  ve asked for a proposal to do some repair work on the fenceâ  including installing a second gateâ  and repairing some loose bricks on the house and loose patio stones. These guys are good and reliable!"
Green Solutions, LLC
Green Solutions, LLC
Green Solutions, LLC
Contact Us for Free Consultation
IICRC Certification

+1

Response time1 day
Recommended by97%of homeowners
Avatar for FailSafe, LLC
FailSafe, LLC
5.0(
19
)
Toxicity and Mold - Removal

Serving Leesburg, VA and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"Fail Safe men were thorough, kept the cost down as much as possible, and made daily reports of the work in progress, including photos. They explained the process and gave advice about keeping the mold away in the future. They were informative and very helpful. They were courteous and pleasant at all times. It was a difficult situation with a tenant who is allergic to this type of mold. It is a relief to have this done! I highly recommend Fail Safe LLC to anyone. Thank you, Fail Safe LLC! It is a good, honest, and reliable company. Most of all : No More Mold Smell!"
Floor Covering
Containment
Containment
Protect your home valuables
Venting for negative air

+120

Response time1 hour
Response rate94%
Recommended by94%of homeowners
Avatar for All-Star Duct Cleaning
All-Star Duct Cleaning
4.6(
362
)
Toxicity and Mold - Removal

Serving Leesburg, VA and surrounding areas

In business since 2008

Emergency services offered

Warranties offered

"They were very professional and took care not to track in any dirt in and out of the house.  After cleaning out  vents, they showed us where we had some mold and rust.  They recommended "mold remediation" which was approx $2,600.  We were unsure whether to do it, but based on fact that we have lived in house for 12 years and the house is 60 years old had it done.  Can't really comment on the quality of that work or whether we really needed it. 
"
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+34

Response time7 hrs
Response rate100%
Recommended by90%of homeowners
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FAQs for toxicity and mold removal projects in Leesburg, VA

Remediation should keep mold from returning as long as the moisture source is eliminated. Fix leaks, control humidity, and replace water-damaged materials, then schedule periodic inspections to stay ahead of new growth. With those safeguards, your home can stay mold-free for the long haul while protecting both health and property value.

Most pros recommend leaving the home while they work on mold remediation. Removing mold stirs up airborne spores that can aggravate respiratory issues, and contractors can work more efficiently in an empty space. A short, temporary relocation keeps everyone in your family safe and lets the crew finish the job without interruption.

Mold shouldn’t return once the moisture problem is fixed. Stay vigilant: repair leaks right away, keep humidity below 50 percent with a dehumidifier placed in damp areas, and improve ventilation where needed. Routine checks for leaks and mold and quick repairs go a long way toward keeping your home mold-free.

Mold spores can trigger nasal congestion, throat irritation, coughing, wheezing, eye irritation, or skin rashes. People with asthma, allergies, or weakened immune systems often feel the effects sooner and more intensely. Some molds also release mycotoxins linked to serious respiratory or neurological issues. Swift remediation and better ventilation are the best defenses.

The Leesburg, VA homeowners’ guide to toxicity and mold removals

From average costs to expert advice, get all the answers you need to get your job done.