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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

"I had a very nice experience with the Best Air Quality and Restoration team. The price seemed fair to me. I purchased the duct cleaning, mold treatment services. Amanda was very helpful in scheduling my appointment; I was hoping for an earlier date; Dennis offered to reach out to me if the option presented itself, which it did a few days later. On the date of the appointment, Sergei called to tell me he was on his way. Sergei and his crew of one were professional and attentive to my questions and needs, being mindful of my 6 month old. I was very satisfied with the service, attention and professionalism of Best Air Quality and Restoration. I would recommend and use their services again in the future."
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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."
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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
167 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

"Excellent from start to finish: From prompt first response through delivery of final testing results post remediation — and, crucially, helping us understand our options every step of the way. Local family-owned firm, highly recommended."
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
11 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%
91 neighbors recently requested a quote
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Biohazard Remediation FAQs, answered by experts

Musty smells often indicate the presence of mold, which can lead to various health risks. Inhalation of mold spores may trigger allergic reactions, causing sneezing, a runny or stuffy nose, and itchy or watery eyes. People who suffer from mold allergies or asthma may experience more severe respiratory problems. Certain types of mold, like black mold, can lead to mycotoxicosis, a condition associated with serious health effects like respiratory problems, fatigue, headaches, and skin irritation if exposure continues for an extended period. Those with weakened immune systems, respiratory problems, or allergies may be more vulnerable to the health risks that come with musty smells. Therefore, it is crucial to address and eliminate the source of the odor promptly.

Several factors contribute to the persistent growth of mold in vents, with excess moisture being the most common culprit. Consistent mold formation in vents indicates an ongoing moisture problem within the HVAC system or its surroundings, likely caused by condensation on cool surfaces in areas with high humidity. Moisture accumulation can also result from leaks in ductwork, inadequate ventilation, or insufficient insulation, creating an environment favorable for mold growth. Regular inspections, addressing potential sources of moisture, maintaining proper ventilation, and routine HVAC maintenance can help prevent the recurrence of mold in vents. If the issue persists, seek professional assistance to identify and rectify the underlying problems.

DIY is possible for minor incidents. Professional services ensure thorough drying and mold prevention.

In mild cases of mold growth, you can DIY mold remediation with a simple cleaning using safe and natural cleaning solutions like baking soda, hydrogen peroxide, vinegar, or lemon juice. However, if the mold is larger than 10 square feet or you suspect toxic black mold, you should not do mold remediation on your own. Instead, you should hire a professional mold removal company to handle the job.

While pressure washing can remove debris from a fence, power washing is usually more effective since it uses hot water (rather than warm or cold water). In some cases, additional cleaning methods are also needed to target mold. Fence cleaning professionals can often provide eco-friendly, pet-safe cleaning solutions for removing mold from fences.

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.