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Find Mold & toxic material testers in Knoxville

Avatar for MoldGone LLC
MoldGone LLC
4.9(
812
)

Serving Knoxville, 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
15 neighbors recently requested a quote
Recommended by96%of homeowners
Wilbur Hull Nano Cleaning Solutions, LLC
4.9(
15
)

Serving Knoxville, 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
12 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Mold Test Company MD-DC
Mold Test Company MD-DC
4.4(
27
)

Serving Knoxville, MD and surrounding areas

Approved

In business since 2015

Emergency services offered

Small jobs welcome

"This company performed a very thorough mold analysis. They opened my eyes to the dangers of the various types of mold growing in my house and provided possible solutions to remediate it."
Mold Testing
Mold Testing
Mold Testing
Mold Testing
Mold Testing

+70

Response time1 day
165 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for NextDay Inspect
NextDay Inspect
4.9(
348
)

Serving Knoxville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"Great! Michael Dorsey was very thorough and detailed with the inspection and provided insight on how to proceed with removing the mold that was discovered. Would hire again!"
Inspections with Matthew
Inspections with Larry
Inspections with Dimitri
Inspections with Rhonda
Cracks in the Foundation- Here we find moderate cracks in the foundation, with evidence that they've been repaired before.

+744

Response time8 hrs
Response rate99%
7 neighbors recently requested a quote
Avatar for Mid-Atlantic Mold and Restoration
Mid-Atlantic Mold and Restoration
5.0(
13
)

Serving Knoxville, MD and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"Excellent. Bruce is extremely honest and professional. I called Bruce after an exterminator warned me that he saw mold in my basement. Bruce came the next day, arrived exactly on time and upon visual inspection, told me that I did not have a mold issue. He could have easily set up treatment and I would have paid as I was afraid for the health of my family but Bruce is about as honest as they come. Jason"
Recommended by100%of homeowners
Avatar for Green Home Solutions
Green Home Solutions
4.7(
22
)

Serving Knoxville, 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 Hamilton's Unlimited
Hamilton's Unlimited
5.0(
23
)

Serving Knoxville, MD and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

Carpet and upholstery Cleaning \nInterior exterior painting \nPressure Washing \nPet stains, and odor treatments \nCarpet and all flooring, repairs, sales, and service \n

Response time1 day
Response rate85%
Recommended by95%of homeowners
Avatar for Residential Restorers
Residential Restorers
5.0(
2
)

Serving Knoxville, MD and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

Residential Restorers specializes in residential and commercial mold testing and remediation, emergency water damage mitigation & drying and fire & smoke damage clean up and repair. We are licensed, bonded and fully insured and have over 100 years combined experience. We can work with your insurance company directly avoiding what can be a long and frustrating process.

 Residential Restorers Trucks
 Residential Restorers Office
 Mold and water Clean up
 After mold and water clean up
 Residential Restorers Emergency Responce Vehicle

+2

Recommended by100%of homeowners
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FAQs for mold & toxic material test projects in Knoxville, MD

Some companies offer a no‑cost phone or video consultation that screens for red flags. If the discussion points to a real issue, the pro will recommend a paid on‑site inspection. The complimentary call clarifies whether you need full testing, but it isn’t a substitute for samples, lab work, or a written report. Always confirm what the free service covers before you schedule.

A standard inspection, which includes basic air and surface samples, takes an average of two hours. If the pro needs to probe hidden spaces, such as wall cavities or ductwork, plan on up to six hours. Extra time allows the inspector to reach tight areas, collect additional samples, and document findings. Lab analysis is a separate process and often adds several business days to the overall timeframe before you receive the full report.

Mold thrives where moisture lingers and air flow is poor. Common hotspots include bathroom walls, kitchen backsplashes, window sills, HVAC vents, fireplaces, crawl spaces, and enclosed attics. Check these areas regularly—especially after leaks or high‑humidity weather—to catch growth early and avoid costly repairs.

Unchecked mold can knock 20% to 37% off a home’s market value because buyers worry about hidden damage and health risks. Even after remediation, visible staining or a history of major moisture issues can still lower offers and prolong the time on the market. Addressing mold quickly protects both your property’s structural integrity and its resale appeal.

The Knoxville, MD homeowners’ guide to mold & toxic material tests

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