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Top-Rated Mold testing and remediation specialists in Farnham - Updated Nov 2026

Avatar for FailSafe, LLC
FailSafe, LLC
5.0(
19
)
Toxicity and Mold - Removal

Serving Farnham, VA and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"I can't say enough about Joe and Frank. They know their business. The mold problem was remediated quickly and efficiently at a reasonable cost. I highly recommend Failsafe, they were neat, clean, and safe. The containment area was impressive with negative air pressure maintained to avoid spreading spores. This is a big job, with multiple aspects to repair the crack in the outside wall to prevent further issues. Failsafe accomplished its portion flawlessly. The mold and musty smell is gone."
Floor Covering
Containment
Containment
Protect your home valuables
Venting for negative air

+120

Response time1 hour
Response rate94%
Recommended by94%of homeowners
Avatar for Ecosystems Environmental Services, Inc.
Ecosystems Environmental Services, Inc.
4.2(
105
)
Indoor Air Quality TestingMold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Farnham, VA and surrounding areas

In business since 1992

Emergency services offered

Small jobs welcome

"Since this work is technical and specialized, I cannot judge work quality and value for money, but the overall experience was very positive. They came on time, were pleasant and efficient, and inspired confidence in their ability to do a proper job. They were totally professional. They called to give me the results as soon as they were available, with an emailed written report a few days later. I chose this firm to test for asbestos in a ceiling because they do only testing, not the remediation work should the result be positive."
Certifications
Certifications
Certifications
Certifications
ACAC Board Member

+68

Response time5 hrs
Recommended by91%of homeowners
Avatar for CSI Home and Commercial Services
CSI Home and Commercial Services
4.6(
80
)
Indoor Air Quality TestingMold & Toxic Material TestMold & Toxic Material Test - For Business+2 more

Serving Farnham, VA and surrounding areas

In business since 1995

Free estimates

Credit card accepted

"CSI did a thorough inspection, provide analysis, detailed report of findings and provided pictures of the areas with issues as well as aerial views of the house, lot and surrounding area. We are definitely hiring them for the Final Home Inspection and analysis."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

Recommended by97%of homeowners
Avatar for Hipp Masonry Works Inc
Hipp Masonry Works Inc
4.5(
45
)
Dry-rot, Water or Pest Damage - Major Repair

Serving Farnham, VA and surrounding areas

In business since 2001

Free estimates

"I started by calling a couple of the foundation companies, but they tried to make me think my house was sinking to its ruin and wanted me to spend over $20,000 to make rock solid repairs! Fortunately I have common sense, and started calling brick masons instead. I found Hipp on Angie's List and called for an estimate. He came out, looked at the area where I had issues, and then walked around the house looking at other smaller problems. He suggested digging to the footer on the front corner, installing jacks, and trying to raise the foundation to its proper level. He also recommended re-pointing some of the other smaller areas and replacing my slooping front porch concrete. I opted for the foundation and all the brick work, leaving the porch for later. When they first attempted to lift the foundation, some cracks started to re-open around the windows on the inside, so I asked them to stop and just stabilize at that point. The replacement windows had been installed about 15 years ago and were aligned to the slope, and worked perfectly. They did an excellent job, and I am extremely pleased with the work!! Chuck even dabbed some paint on some bricks that had been damaged by a power washer, so that they would match the other bricks. He left me the paint so that I can later "dab" around bricks stained from the wash down of my aluminum siding. This is a small company (just three of them I think), and I had to call several times to get set up. And it took a while for them to get to my job. This is why the C for responsiveness. But once they started, they were prompt and professional, well worth the wait! I opted to wait on the porch work, but will hire them to do that soon. Note: I have found that the best contractors are the small, hands-on companies. They are all hard to reach, and take a while to schedule, but they tend to be fair, and do the best work!"
Recommended by100%of homeowners
Avatar for On The Nose Mold Detection, LLC
On The Nose Mold Detection, LLC
5.0(
5
)
Mold & Toxic Material Test

Serving Farnham, VA and surrounding areas

In business since 2005

On The Nose Mold Detection, LLC provides mold inspection services for residential and commercial facilities utilizing a certified Mold Dog named Shotzy and his handler-inspector Pam Ward. We are located in Northern Virginia and are available to perform inspections for anyone, at any location needing our services. Our mission is to help you make your environment safe and healthy. \n \nWhy is a mold inspection using a dog superior to a traditional inspection? Just as a bomb dog protects life, health and property, being the most efficient and accurate tool currently available for pinpointing the hidden location of a bomb, so too with a mold dog. On The Nose Mold Detection LLC provides all the normal mold inspection services with the added value of utilizing the science of scent discrimination to precisely pinpoint the location of hidden mold. \n \nQuestion: Why would you tear out the whole room to find mold located under the window sill on one wall? \n \nAnswer: Traditional inspection methods do not provide the detailed accuracy to tell you exactly where the mold is growing. A certified mold detection dog does! \n

Recommended by20%of homeowners
Avatar for The Fireplace Doctor
The Fireplace Doctor
3.9(
1,190
)
Dry-rot, Water or Pest Damage - Major Repair

Serving Farnham, VA and surrounding areas

In business since 1993

Emergency services offered

Credit card accepted

"They did a great job. They solved all the problems I had with the chimney and it’s been working perfectly ever since. They also fixed a problem on the roof around the chimney; they replaced the wood around the chimney with a material that would never rot, so they fixed it even better than it was before. It took them a couple of days to do the work. They took care of all the cleanup as well. We've been real happy with them."
Recommended by78%of homeowners
H & B Industrial
5.0(
2
)
Indoor Air Quality TestingMold & Toxic Material TestMold & Toxic Material Test - For Business+2 more

Serving Farnham, VA and surrounding areas

"Very well. Workers arrived promptly and worked steadily. They inspected for mold in my basement, removed duct cover where mold was found, built a new cover, applied mold preventive to the whole basement, and did an awesome clean-up, including vacuuming the whole basement. I was pleased that the job was done well and finished in a day. One worker returned two days later to sand the drywall, which had needed time to dry completely. I appreciate how they explained everything they were doing."
Recommended by100%of homeowners
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Mold Testing and Remediation FAQs, answered by experts

PVC is not considered a hazardous waste in most areas, but regulations vary by location. If in doubt, you should contact your local sanitation department to confirm. The Center for Biological Diversity (CBD) has been working to get PVC classified as hazardous waste, so it’s possible that it will be considered as such in the near future. If it is, disposing of PVC will require the use of a hazardous waste disposal facility or transporter in your area.

Although you can run a DIY test for mold inside your home by buying a test kit, you won’t know whether the strain of mold is dangerous. The best way to test for mold in a home is to hire a professional who can determine the specific type of mold that you have. If you’re worried you exposed yourself to mold and it’s making you ill, you could request a health test. Your personal doctor could test your urine, take a nasal swab, or test some body tissue to determine your potential exposure to mold.

If you need mold remediation, you’re probably looking at a bill of a couple thousand dollars or more. Sometimes, though, your homeowner’s insurance policy may cover some or all of the costs of the remediation. If the black mold forms because of a covered event, such as a storm that damages your roof, and causes leaking or flooding in the basement, it’s possible the policy also covers mold remediation. It never hurts to ask your insurance company if it will cover the cost of black mold remediation.

Toxic black mold on wood appears as dark green or black patches. It often has a slimy or wet texture and may spread across the surface in a spotty pattern. The affected wood might appear discolored, soft, and damp. Identifying black mold early is crucial because it can cause severe health problems when its spores are released into the air. Prompt remediation is necessary to prevent further damage and health risks.

Mildew and mold are not different—mildew is a specific type of mold and yes, it can become dangerous if left untreated. It would be amazing if we were all biochemists but because we most likely aren’t, it isn’t wise to assume any mold is mildew on sight alone. Harmless mold and toxigenic mold (which can be deadly) look very similar, so if you see any new mold that looks even a little suspect, call a mold professional immediately.

The Farnham, VA homeowners’ guide to mold testing and remediation services

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