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TRUSTED BY FREDERICK, MD HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon26
    Verified mold testing and remediation services reviews

Top-Rated Mold testing and remediation specialists in Frederick - 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 Frederick, MD and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"Jon from MoldGone easily saved me more than a thousand dollars by providing an expert opinion on proposed mold remediation by another company. His response was very timely, and he actually turned down the opportunity to undertake work, saying that the situation did not warrant remediation by his company. It was very refreshing to have someone advise that their services were actually NOT required in this instance. Should I every have any future questions regarding mold remediation, Jon will definitely be my first call."
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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 Frederick, MD 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 K & E Restoration
K & E Restoration
4.9(
25
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Frederick, MD and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Dealing with mold in your home is stressful, but working with K & E was the absolute best decision we could have made. From the minute they walked in, Dan put us completely at ease. They didn't just clear out the mold they took the time to explain the whole process, kept everything impeccably clean, and treated our home with real care. You can tell they actually care about the people they?re helping. I can finally breathe easy in my home again. Highly, highly recommend!""
Basement
Basement
Basement
Basement
Basement

+34

5 neighbors recently requested a quote
Recommended by78%of homeowners
Wilbur Hull Nano Cleaning Solutions, LLC
4.9(
17
)
Mold & Toxic Material TestIndoor Air Quality TestingToxicity and Mold - Removal+2 more

Serving Frederick, MD and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"Wilbur called me the same day I requested a quote for his expertise. Within a few hours he was at my apartment verifying that there is in fact black mold growing in my carpeting and wrote me up a report to submit to my landlord as I am pregnant and need this matter addressed. He was friendly, knowledgeable, and genuinely cared about resolving the predicament I am in. I would recommend his service to anyone and will most definitely be utilizing him for mold remediation in my next home."
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+4

Response time12 hrs
24 neighbors recently requested a quote
Recommended by81%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 Frederick, MD and surrounding areas

Approved

In business since 2020

Warranties offered

Credit card accepted

"Green Home Solutions provided excellent recommendations and service for a mold remediation project basement office ofice.Lesley Sheaffer,Sales Solution Expert,provided clear explanations and solutions to the project. Highly recommended."
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 Water Damage Pro Master
Water Damage Pro Master
5.0(
13
)
Dry-rot, Water or Pest Damage - Major Repair

Serving Frederick, MD and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Showed up very quickly and helped dry out my carpeted basement which was damaged after a rainstorm. They were communicative and professional. They lifted up carpet, removed baseboards, mitigated potential mold growth and then after all dry they put new baseboards down and the carpet."
Restoration Process
Mitigation
Dehumidifier and Fans
Mitigation
Fans to Dry Out the place

+53

Response time10 hrs
5 neighbors recently requested a quote
Recommended by91%of homeowners
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Mold Testing and Remediation FAQs, answered by experts

In Frederick, mold testing typically takes two to four days, including inspection and lab analysis. Remediation for small areas can be completed in one to three days, while larger or whole-house projects may require up to two weeks, especially in older homes. Weather delays, permit processing, and insurance approvals can extend the timeline, particularly during Frederick’s wetter months.

Helpful?

In Frederick, unexpected costs during mold remediation often include fees for additional mold inspection, HVAC duct cleaning, and repairs to plaster or wood framing common in historic homes. Extended equipment rentals may be needed during rainy seasons. Homeowners also encounter expenses for storing belongings, addressing foundation drainage, or temporary relocation if extensive remediation is required due to local climate conditions.

Helpful?

After mold remediation in Frederick, schedule post-remediation air quality testing within 48 hours to confirm success. Monitor indoor humidity, especially during humid summers, and inspect basements or crawl spaces for moisture. Review all remediation documentation and keep detailed records for insurance. Consider quarterly mold inspections, as Frederick’s older homes and river proximity can make them more susceptible to recurring mold issues.

Helpful?

If you notice persistent musty odors, visible mold returning on walls or ceilings, or humidity levels consistently above 60%, previous remediation in Frederick may have been incomplete. Watch for water stains, peeling paint, or condensation on windows, especially after heavy rain. Ongoing allergy symptoms or failed air quality tests are also strong indicators that further mold inspection and remediation are needed.

Helpful?

For mold testing and remediation in Frederick, keep a digital hygrometer for monitoring humidity, a moisture meter for detecting hidden dampness, and a HEPA air purifier for ongoing air quality. Stock up on N95 or P100 masks, disposable gloves, and antimicrobial cleaning solutions. A UV flashlight helps spot hidden mold, while a camera is useful for documenting problem areas, especially in basements or attics.

Helpful?

The Frederick, 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.