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Find Mold & toxic material testers in Greenbelt

Avatar for MoldGone LLC
MoldGone LLC
4.9(
812
)

Serving Greenbelt, 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."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+8

Response time1 day
16 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Rudd's Indoor Environment
Rudd's Indoor Environment
4.9(
50
)

Serving Greenbelt, MD and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Daniel was great to work with. He called when he said he would. He showed up for the testing on time. Explained what he was doing. He did a very thorough check for moisture behind the walls and air samples where needed. He really showed that he knows what he is doing. If I ever need a mold inspection done again I ll be calling Rudd to do it."
Mold testing
Water stain
closet ceiling
Fruiting body of mold
Mold on HVAC vent

+6

Response time7 hrs
10 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(
217
)

Serving Greenbelt, MD and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Timely, efficient, response. Identified a minor mold issue and applied appropriate treatment. Poor quality filters on equipment left a film of fine dust everywhere near a vent. Recommend upgrading vacuum filters to finer screen."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+50

Response time1 day
2 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Mold Test Company MD-DC
Mold Test Company MD-DC
4.4(
27
)

Serving Greenbelt, 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(
335
)

Serving Greenbelt, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"Excellent Water/Well Testing Service from NextDay Inspect – Highly Recommend! I recently had a water/well test done by NextDay Inspect, and I couldn’t be more satisfied with the entire process. From scheduling the appointment to receiving the results, everything was seamless and professional. Sonya, the inspector who came out, was amazing. She was punctual, thorough, and took the time to explain the entire testing process. She made sure I understood what was being tested and why, which gave me confidence in the results. The whole experience was smooth and stress-free, and I really appreciated how well everything was organized. The results were delivered quickly, and NextDay followed up to make sure I had all the information I needed. I can confidently say that NextDay Inspect provides top-tier service, and I highly recommend them for anyone needing water/well testing."
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 Greenbelt, MD and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"When this company came to inspect my home- where I thought there was a problem, I was immediately informed that I did not have a mold problem. He literally wiped what I thought was mold away with his hand, and told me use some Lysol to take care my bathroom cabinet. I am thankful for his honesty and the fact that I didn't have to spend any money for his services. If I ever develop mold in my home, my first choice would be mid-atlantic mold and restoration! The Gentleman that came out to inspect was very kind and knowledgeable!"
Recommended by100%of homeowners
Avatar for Green Home Solutions
Green Home Solutions
4.7(
22
)

Serving Greenbelt, MD and surrounding areas

Approved

In business since 2020

Warranties offered

Credit card accepted

"They explained what the process would be when they came in and did exactly as they said. Our mold shows all signs of being gone. Great Job Greenhome Solutions"
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
5 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for Maximum Restoration
Maximum Restoration
5.0(
14
)

Serving Greenbelt, MD and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Andrew and his team were very professional! Andrew responded to my Home Advisor inquiry very quickly and was able to come out to assess my project the same day. When he did arrive, he was very respectful of my home, by removing his shoes! After looking at the mold issue, he pointed out what the potential problem areas were and confirmed the type of trade I needed (general contractor (GC) vs. siding company) to come out and repair the outside of the house to ensure the mold would not return after his team removed it. I only needed a GC which in turn saved me thousands! Andrew's pricing was very, very reasonable. I had put off dealing with the mold because I thought it would be too much (I was actually thinking of selling the house), but it was getting worse. Had I known about Andrew and his team and their very fair pricing, I would have resolved the issue 2 years ago! As to the quality of work, I could go on and on. Andrew and his team took very good care of moving and covering my items. Andrew double checked the GC's work to confirm that the water issue was resolved and there would be no repeat mold issues in the future. His team sealed off the work area very well, allowing me continued access to the section of the space that had not been worked on. They cleaned and handled things they had to remove to do the job (i.e. window blinds and light/outlet covers). And, the moldy smell that was once in the space was all gone when they finished! I would totally recommend this company to others. I plan to add them to my list of "go-to" companies for services I may need in the future (every homeowner should have some "go-to" companies that you know will not cheat you, and Andrew's team is one you should have!)"
Mold Treatment
Water Extraction by  Maximum Restoration
About Us - Maximum Restoration
New Construction Mold Remediation
Mold Treatment

+83

Response time3 hrs
Response rate100%
2 neighbors recently requested a quote
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FAQs for mold & toxic material test projects in Greenbelt, 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 Greenbelt, 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.