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TRUSTED BY FRIENDLY, MD HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon66
    Verified biohazard remediation services reviews

Top-Rated Biohazard remediation specialists in Friendly - Updated Nov 2026

Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Toxicity and Mold - RemovalIndoor Air Quality TestingMold & Toxic Material Test+1 more

Serving Friendly, MD and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"After purchasing the coupon from Angie's list, I received a phone call soon afterwards from them. They were very professional and knowledgeable. I asked many questions and felt no pressure to buy any additional services. So I did have them treat for mold spores and also clean our dryer vent for an additional fee which seem reasonable. Definitely will hire again."
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+50

Response time10 hrs
1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for MoldGone LLC
MoldGone LLC
4.8(
1,006
)
Toxicity and Mold - RemovalIndoor Air Quality TestingMold & Toxic Material Test+1 more

Serving Friendly, MD and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"Jon Gordon of MoldGone arrived promptly and provided an outstanding service that included testing, providing diy remediation suggestions and educational information. I was very reassured and would not hesitate to recommend this company to anyone."
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+8

Response time1 day
9 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Radon Abatement Services
Radon Abatement Services
4.9(
257
)
Radon Gas - Abatement

Serving Friendly, MD and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"Highly professional team did a timely and superb job on the installation. At the end of the job they performed a complete cleanup, training on the system, and provided a radon test kit at no additional cost. I highly recommend them for radon abatement services."
Additional Photos
1 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Ace Environmental Holdings, LLC
Ace Environmental Holdings, LLC
4.9(
161
)
Hazardous Waste Removal

Serving Friendly, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Emergency services offered

"From the first touch to signing the check, removal of a 500 gallon leaking tank from a crawl-space, soil remediation, installing a new tank was fast efficient and smooth. I wish they also did taxes and provided doctor services!"
Company-Owned Equipment
Upper Marlboro, MD
Fuel transfer
Removed oil tank
New AST installation

+67

Response time11 hrs
174 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Compliance Construction & Remediation, Inc.
Compliance Construction & Remediation, Inc.
4.9(
136
)
Asbestos - Abatement

Serving Friendly, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"No one expects or wants to deal with asbestos removal but after removing old carpet in an old home we unexpectedly found tiles that tested positive for asbestos. Compliance Construction went above and beyond to handle this remediation even when it took much longer than they originally anticipated. James Lang in particular was incredibly responsive to our needs. I hope that I never need asbestos remediation again but if I do I will know who to call."
Response time12 hrs
Response rate94%
5 neighbors recently requested a quote
Avatar for D & H Demolition, LLC
D & H Demolition, LLC
5.0(
11
)
Asbestos - AbatementMold & Toxic Material TestToxic Lead - Testing+1 more

Serving Friendly, MD and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"I love my basement now! They removed all of the asbestos flooring, adhesive etc. and installed my new floor in 2 days. The employees were very respectful and worked efficiently. They had said 3 days but they hustled and did it in 2."
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+9

Response time8 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for Rudd's Indoor Environment
Rudd's Indoor Environment
4.7(
55
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Friendly, MD and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Danny was great!!! We are doing a house refi and the appraiser noted a mold like substance in the basement bathroom. I contacted Danny and e answered his phone whenever I called, and was quick to come out to test our mold. In the beginning, he explained that he only tests, does not do remediation and why it isn't good to have a company that does both together. He made this process easy to digest and feel like I wasn't going to go down a road that was an expensive scam. He thoroughly explained the test process, and even told me that it might be just an allergen, which in fact it turned out to be. He sent me a thorough report, and then let me know that the mortgage company could call him directly if they needed any clarification or didn't understand the report."
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 Mid-Atlantic Mold and Restoration
Mid-Atlantic Mold and Restoration
4.8(
19
)
Mold & Toxic Material Test

Serving Friendly, 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 A & I Inc
A & I Inc
5.0(
40
)
Asbestos - Abatement

Serving Friendly, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1989

Free estimates

Emergency services offered

"Jason and the team from A-l knew exactly how to proceed with removal of the asbestos flooring we encountered during our kitchen install. They demonstrated professionalism, knowledge and understanding addressing our concerns for safety and provided a detailed step by step process while taking the time to answer any questions we had along the way."
My jobs
My jobs
Response time9 hrs
Response rate100%
92 neighbors recently requested a quote
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Biohazard Remediation FAQs, answered by experts

Mold and mildew are the things in basements that actually cause the musty odors, but moisture is the underlying issue that causes mold and mildew growth. Addressing moisture and water problems and then removing materials that are moldy are some of the best ways to get rid of the musty odors. Preventive measures after that—like installing air fresheners and a dehumidifier—can help keep musty odors from returning.

Since most mushrooms are beneficial for your grass, and otherwise harmless, it’s not a good idea to kill them with fungicide. If you suspect you have a poisonous type of mushroom in your grass, you should consult a professional concerning mitigation. There are lots of types of mushrooms and most are perfectly safe.

There are several instances where household biohazard cleanup would be needed. All in all, anytime an event can potentially expose people to chemicals, pathogens, or viruses, a biohazard cleanup company must be called. These events can include:

  • Sewage backup

  • Unattended death or crime scene after death

  • Virus decontamination

  • Medical waste disposal 

  • Animal waste disposal 

  • Odor control   

  • Hazardous chemical removal

The answer depends on the size of your home, the type of mold, and your ventilation systems. However, the best answer would be no, you shouldn’t stay in your home. Arrange to be away from your home during the mold remediation process, as mold is often most dangerous when it’s being removed due to the particles being released into the air. Some contractors won’t proceed with the remediation if you or other household members are in the home.

According to the EPA, mold allergies are common and can cause skin irritation, respiratory problems, headaches, and other allergic reactions. Mold allergies can also trigger asthma attacks in people with asthma. Additionally, some molds produce mycotoxins, which can lead to very serious conditions, like lung cancer.

The Friendly, MD homeowners’ guide to biohazard remediation services

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