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TRUSTED BY POOLESVILLE, MD HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon30
    Verified mold testing and remediation services reviews

Top-Rated Mold testing and remediation specialists in Poolesville - Updated Nov 2026

Avatar for MoldGone LLC
MoldGone LLC
4.8(
1,006
)
Toxicity and Mold - RemovalIndoor Air Quality TestingMold & Toxic Material Test+3 more

Serving Poolesville, MD and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"This was a great experience. I am very happy to have found Moldgone LLC. Everything was smooth from start to finish. The inspection was fast and simple, I received the quote quickly and the price could not be beat. They set the appointment and all communication in between were timely and informative. Jason & Curtis were my techs. They were friendly, fast, thorough, and did a wonderful job cleaning the model and repairing the area. I hope I never have mold again, but if I do, I will call them! Wonderful service and experience!"
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+8

Response time1 day
9 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Toxicity and Mold - RemovalDry-rot, Water or Pest Damage - Major RepairIndoor Air Quality Testing+3 more

Serving Poolesville, MD and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"This is the second time I am using Val and his company. Thanks to Val we were able to identify a semi-hidden mold issue in our home from a long-term, slow leak. He was very professional and thorough. I was thankful for the easy-to-read report/test results we received. I would highly recommend Val for your mold testing needs."
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+50

Response time10 hrs
1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Atlantic Environmental Solutions, LLC
Atlantic Environmental Solutions, LLC
4.9(
54
)
Toxicity and Mold - Removal - For Business

Serving Poolesville, MD and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"I would HIGHLY recommend Atlantic Environmental and Keith Whitehead for mold remediation. They were nothing but professional from the first time I called until after the work was done. I can't recommend Keith's services enough. He came out and did a visual inspection of my property, informed me of the types of mold I was dealing with, recommended several remediation options according to my specific needs and worked with me to make sure I was completely comfortable with the whole process. He was there every step of the way. If you need mold remediation, call AE. You'll be glad you did!"
Attic Mold Treatment
Attic Mold Treatment
Attic Mold Treatment
Attic Mold Treatment
Attic Mold Treatment

+26

Response time11 hrs
Response rate93%
31 neighbors recently requested a quote
Watts Commercial Cleaning, LLC
4.6(
125
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Poolesville, MD and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"We hired Watts Commercial Cleaning upon a friend's recommendation for mold remediation: Mr Watts is very honest and upfront about what needs to be done, and follows through."
Response time10 hrs
18 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Green Home Solutions
Green Home Solutions
4.7(
23
)
Mold & Toxic Material TestToxicity and Mold - RemovalIndoor Air Quality Testing+2 more

Serving Poolesville, MD and surrounding areas

Approved

In business since 2020

Warranties offered

Credit card accepted

"Hands down the best!!! While selling my property we discovered mold. I spoke to several remediation companies but Green Home Solutions stood out (way out!) with the most comprehensive processes! Brian was extremely helpful in explaining what I was facing, the step-by-step process it takes to remediate and future prevention options. I came up with 1001 questions daily; Brian answered each quickly, with the best attitude and genuine care. He moved things around on his busy schedule to fit my timeline. The level of service and professionalism I received were premier; and there are not enough words to express the confidence I have in this company and the phenomenal work they did. My post-remediation scores were much better than I expected. Once the results were out, Brian took the time to speak to my home buyers and made them feel equally comfortable. He offered them a warranty on his work and products which not all companies did. I would recommend Green Home Solutions and Brian to anyone who is facing a mold problem. They hold your hand, make the painful process easy, complete it fast and at a reasonable cost. I hope I never face mold again, but if I do, Green Homes Solution is my go-to. Thank you Brian!"
Mold Didn't Kill The Deal
Inspection: Why It Matters
Mold Didn't Kill The Deal
From attic spaces to crawl spaces, we are thorough
Mold Didn't Kill The Deal

+21

Response time2 hrs
6 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for Indoor Green Solutions
Indoor Green Solutions
4.0(
175
)
Toxicity and Mold - RemovalIndoor Air Quality TestingMold & Toxic Material Test+2 more

Serving Poolesville, MD and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"I had a great experience with Indoor Green Solutions. They completed mold remediation in a very tight crawlspace, and I was extremely impressed with the work they did. The crew took all the necessary steps to properly remove the mold, clean out the debris, and make sure the crawlspace was thoroughly taken care of. They were professional, hardworking, and very respectful throughout the entire process. Communication was excellent from start to finish, they showed up on time, and they kept me informed throughout the job. Once the work was completed, they cleaned everything up and hauled away all of the debris and junk. Overall, I’m very happy with the quality of their work and would highly recommend Indoor Green Solutions to anyone needing mold remediation. Great company, great communication, and a hardworking crew!"
Burst Pipe
Indoor Water damage
Kitchen Clean up
Broken ceiling
Caved in Ceiling

+19

Response time5 hrs
Response rate99%
6 neighbors recently requested a quote
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Mold Testing and Remediation FAQs, answered by experts

Mold grows in areas with humidity levels above 60%, but ideal conditions for mold growth occur when humidity is between 70% and 90%, especially in poorly ventilated areas. To prevent mold growth, aim to maintain indoor humidity levels between 30% and 50% using dehumidifiers, proper ventilation, and temperature control. Regularly check your home's humidity with a hygrometer to help you monitor and avoid conditions conducive to mold.

Mold grows quickly. It typically begins to grow on drywall about 24 hours after exposure to moisture or humidity. Drywall is a porous material, which makes it particularly hospitable to mold growth. 

While mold growth begins after just a day or so, it can take a few weeks before the evidence becomes visible. Mold spores will typically appear on the drywall surface within three weeks of growth starting.

Yes, mold under silicone caulk can potentially cause health issues, which may be more noticeable in people with asthma, allergies, or other respiratory conditions. Mold releases spores into the air, and inhaling these spores can cause symptoms such as coughing, sneezing, eye irritation, and skin rashes. It's important to address mold issues promptly to protect your health.

Water damage always poses a primary risk of mold and mildew, but growth is not guaranteed. Whether mold develops depends on several factors, including the severity of the water damage and how quickly the area is addressed. To prevent mold, you must act fast—ideally within the first 24 hours. The process involves cleaning up all standing water and thoroughly drying the affected area. If the damage is extensive, the cleanup was delayed, or you suspect mold might be present, it is safest to assume it has grown and contact a professional mold inspector or removal expert to assess the situation.

Visible growth, musty odors, and water damage are common indicators.

The Poolesville, MD homeowners’ guide to mold testing and remediation services

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