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Find Mold & toxic material testers in Norristown

Avatar for Aerotek Environmental, LLC
Aerotek Environmental, LLC
4.7(
212
)

Serving Norristown, PA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"The staff did a very good job of removing the drywall that contained the mold. They were very neat and disposed of all the old material and drywall."
Response time1 day
48 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Aerotek Environmental
Aerotek Environmental
4.7(
86
)

Serving Norristown, PA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"We can’t begin to say enough about Ray and Aerotek. They literally saved my son and daughter-in-law from a house they bought that was filled with mold, toxic mold. Aerotek was so professional, and so empathetic throughout the entire process. They were constantly updating us on the job, sending photos and videos, and getting the home back to a top level of cleanliness so that they could finally start to move forward. The Crew was careful, respectful, and diligent in getting this house, cleaned and rid of mold. There aren’t enough words to say how grateful we are to Ray, and what a kind man, and honest contractor he is. If you need mold remediation, you should look no further than Aerotek and Ray. You also won’t beat his prices anywhere, which is only a bonus next to all of his other attributes."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+17

Response time7 hrs
3 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Bioclean
Bioclean
4.9(
32
)

Serving Norristown, PA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Bioclean aims to please. Not only the coffee stain but other stains, usually caused by food and my own carelessness. Easy to talk to Tim. Carefully moved items needed to be moved and then replaced. Very helpful."
Mold Damage
Tear out Mold affected Materials
Tear out Mold affected Materials
Drying & Dehumidification
After Repairs/Pre Loss Condition

+17

2 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Mold Test Company PA
Mold Test Company PA
3.9(
128
)

Serving Norristown, PA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Mold test took air samples inside and out after we discovered some questionable spots that worried us. Samples are sent to a lab for analysis. We subsequently purchased a mold remediation kit from another firm and treated the house. We are breathing easier now. Thanks!"
Basement
Insulation
Insulation
Wall
Basement

+68

Response time12 hrs
227 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Macks Mold Removal, LLC
Macks Mold Removal, LLC
5.0(
14
)

Serving Norristown, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Offers commercial services

"Mack’s Mold Removal really knows their stuff. Great prices, professional service, and great people to work with. I recommend them to all of my clients for both investment and personal properties. Mold can cause serious problems, from affecting the health of the people who live or work in buildings with mold, to affecting the price of a property that’s on the market. I know that once Mack’s Mold Removal gets the call, they work quickly and professionally to get the problem solved. I’ve talked to Jeff a number of times and it’s obvious that he is passionate about the business and committed to solving all of the customer needs."
Response time1 day
Response rate89%
111 neighbors recently requested a quote
Avatar for NAL East Environmental Services, Inc.
NAL East Environmental Services, Inc.
4.8(
98
)

Serving Norristown, PA and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"I saw NAL East Environmental, read their Profile & was extremely impressed. Their Inspectors’ are Highly Educated Professionals. Words can’t describe how Grateful I am for Mark Stern & Joe Chairmonte. Testing was explained with Professionalism, Knowledge & Compassion. Mark is a Genuine Professional. He was Respectful & Kind as he explained and knew what should be tested. Joe was already set up. They were extremely thorough. After testing, Mark said, “Please call with any questions,” He was true to his word. After finding Acute Mold issues in Our Rental Home of 17+!years. Mark showed much care for Our well-being. It’s RARE to find a Co. with such Caring Inspectors w/High Moral Values, Yet, here they are!! I hired Mark & Joe again for Surface Testing. I’ve since referred Mark & Joe to Family. NAL East is The BEST! Thank you & Many Blessings to Mark & Joe. You are Amazing Assets to NAL Eastern & Our Community!! Jacqueline W., Yardley, PA"
Seals
Seals
Leak, areas cleaned, occupants still sick
HVAC
HVAC

+9

Response time5 hrs
34 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for ACI-Tech Inc
ACI-Tech Inc
4.8(
48
)

Serving Norristown, PA and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Steve quickly provided proposal and had work completed. Arranged follow up air quality test same day as removal. Sam was professional and made the extra effort to leave the area extra clean. Found ACi-TECH to be very responsive to questions and concerns."
Response time11 hrs
6 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for S George HC LLC
S George HC LLC
4.3(
33
)

Serving Norristown, PA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Stephen and his team are professional and extraordinarily thorough. I moved into an apartment that had mold. Landlord knew. I found out after move-in. Testing came back showing the predominating species and spore counts. Landlord still would not take care of it, so I had to move out. Stephen went out of his way to answer all of my questions and set up both mold remediation and content cleanup for me in the new apartment to ensure nothing was transferred from the old one. I moved into a smaller space, so this reduced the cost as well. I now have peace of mind knowing that I am again living in a healthy, clean space. Thank you so much!"
Mold Remediation
Mold Remediation
Water Damage Restoration
Water Damage Restoration
Water Damage Restoration

+8

Response time6 hrs
8 neighbors recently requested a quote
Recommended by72%of homeowners
Avatar for SS John & Marin Restoration LLC
SS John & Marin Restoration LLC
5.0(
25
)

Serving Norristown, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Credit card accepted

"Alfred from SS John & Marin Restoration went above and beyond the original mold remediation job parameters and took care of additional remediation issues discovered in unexpected areas. He and his team did a superb job of remediating several mold issues, identifying underlying causes, and implementing strategies that would help prevent problems in the future. Alfred proved to be highly expert, doing thorough and excellent work, and freely sharing useful advice with me as homeowner. The expanded remediation job was completed at a very fair price. I would definitely recommend Alfred and SS John & Marin Restoration for any mold remediation challenges."
Response time1 day
Response rate91%
12 neighbors recently requested a quote
Avatar for CK Services, LLC
CK Services, LLC
4.8(
69
)

Serving Norristown, PA and surrounding areas

Approved

In business since 2009

Emergency services offered

Warranties offered

"Chris returned my call within mins. He came out to look at a water problem in basement promptly & spent quite a bit of time explaining what could be done. Was very professional. Would consider him for any repairs to my home."
Sewer line
Sewer line
Sewer line
Sump pump
Sump pump

+13

1 neighbors recently requested a quote
Recommended by100%of homeowners
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FAQs for mold & toxic material test projects in Norristown, PA

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 Norristown, PA homeowners’ guide to mold & toxic material tests

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