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    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

"The Best Air Quality and Restoration has been a pleasure to work with! I've used them for mold remediation on 4 properties and the service and results have been top notch! They are extremely professional, responsive and produce great results. Highly recommended!"
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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 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 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

"5 stars from start to finish. Nikki the scheduler/admin was very kind and patient in getting the details of my basement layout and communicated with owner John to ensure the correct diagnosis and remedy for my situation. I thought that I needed to have my crawl space encapsulated ($$$), but turns out that a remediation system in my utility room was the solution. The team arrived on time for install and took great care to put it in the least intrusive area of the room. Even though it required moving and replacing shelving. They also positioned the exterior vent pipe and fan in a place that wasn’t an eyesore. They also went above and beyond by recognizing and sealing a large gap in the foundation slab. Super clean and quality work. Unbelievable value. Couldn’t be happier."
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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
164 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%
4 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

Leading the industry by providing a comprehensive service to residential & commercial clients in need of selective & structural demolition , hazardous material abatement and disposal , as well as mold remediation services. Call or click for your FREE estimate today!\n

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+9

Response time8 hrs
Response rate100%
8 neighbors recently requested a quote
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

"Bruce was very responsive to my call. We scheduled an appointment 2 business days after our first contact. Bruce was on-time and very professional. He looked at the basement and said it was a good waterproofing job and looked at the mold area - and it turns out its the type of mold we can remove ourselves by peeling the paint off. I couldn't be more grateful for his integrity in looking at our problem. Because of that I would call them again, use them and will highly recommend them to anyone I know who needs mold remediation."
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

A & I Inc takes great pride in our 40 years experience, expertise, quality and customer service that\nwe provide to meet your needs. It is our mission to provide excellent workmanship\nand complete customer satisfaction from the start to completion of a project. \nIn order to understand the needs and expectations of our customers,\nwe take great care to work and communicate with every customer in a professional manner.\nOur reputation is based on service, safety and quality, regardless of how large\nor small the job.

My jobs
My jobs
Response time9 hrs
Response rate100%
87 neighbors recently requested a quote
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Biohazard Remediation FAQs, answered by experts

It is not recommended to use straight, undiluted bleach to eradicate mold as it can be too harsh and pose potential health risks due to its strong fumes and damaging effects on surfaces. To avoid adverse effects, bleach should be diluted with water in a 1:3 ratio. This ensures effective mold removal while minimizing health risks. 

Just because you find mold in your home does not mean you need to pursue professional remediation services. You can often clean small amounts of surface mold, such as in bathrooms or on windowsills, using household products. However, extensive mold growth, persistent odors, or mold caused by water damage require professional remediation. A good rule of thumb is to hire a pro when the mold is in an area larger than 10 square feet, poses health risks, or affects the structural integrity of your home.

By using PPE, sealing work areas, and following containment procedures.

You probably have mold on your shower curtains because mold and mildew thrive and spread in warm, dark, wet, and unventilated spaces. Your shower is the perfect environment, especially the shower curtains, because they trap water in the folds and creases, plus they’re exposed to the most water spray. The best way to ensure mold stays off your shower curtains is to keep it dry so it doesn’t have a place to grow. Doing this can also help keep mold off your bathroom ceiling.

Dead trees are dangerous for several reasons. They are structurally compromised and prone to branch or trunk failure, which can pose a significant safety risk to people, vehicles, and nearby structures. Dead trees can also harbor pests like termites, which may spread to other trees or your home. If a tree died from a disease, it could spread the illness to healthy trees. Additionally, the dry wood is highly flammable, increasing fire risk.

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.