Top-rated mold & toxic material testers.

Get matched with top mold & toxic material testers in Marengo, IL

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Mold & toxic material testers in Marengo

Avatar for Environmental Services Corp
Environmental Services Corp
5.0(
61
)

Serving Marengo, IL and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"This pro explained the process of removal thoroughly, how they would close off and protect the rest of the house, how they would clean the air of exposed area. And then was very careful in removal as well as supervising work to make sure protocol was observed. I was overall very impressed and appreciative of the service provided. "
Vermiculite insulation in attic
Asbestos Floor tile
Asbestos transite siding removal
Asbestos pipe Insulation removal
Enclosure for asbestos removal

+82

Response time1 day
2 neighbors recently requested a quote
Recommended by77%of homeowners
Request Quote
Avatar for Gardner Environmental Services
Gardner Environmental Services
4.8(
251
)

Serving Marengo, IL and surrounding areas

Angi Approved

Super Service Award Winner

In business since 1993

Free estimates

Emergency services offered

"Great to work with…. Responded quickly was very thorough "
Untitled Gallery 1
Untitled Gallery 1
Untitled Gallery 1
Untitled Gallery 1
Untitled Gallery 1

+20

Response time5 hrs
10 neighbors recently requested a quote
Recommended by90%of homeowners
Request Quote
Avatar for Bone Dry LLC
Bone Dry LLC
4.9(
42
)

Serving Marengo, IL and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"He came to my house and had a report to me by the end of the day."
Bathroom Mold
Basement Mold Restoration
Basement Mold Restoration
Basement Mold Restoration
Basement Mold Restoration

+2

Response time6 hrs
6 neighbors recently requested a quote
Recommended by88%of homeowners
Request Quote
Avatar for LaFrance Environmental
LaFrance Environmental
5.0(
6
)

Serving Marengo, IL and surrounding areas

Angi Approved

In business since 2024

Free estimates

Emergency services offered

"I had Brett come to our home to test for mold because I’ve had an ongoing illness that Drs can never diagnose. He was so caring & did the testing within days of talking to him the 1st time. After the testing, he explained everything in detail and provided a list of things to improve the air quality in the home. I have never dealt with any type of contractor that was as thorough and really had our best interest at heart. He was honest, upfront with cost and I felt like I could totally trust him and his recommendations. If you are in need of mold or air quality testing, call Brett. You will be completely satisfied with his knowledge and care to make your home “healthy” again. "
Mold and Basement Leak
Mold and Basement Leak
Mold and Basement Leak
Response time5 hrs
Response rate100%
6 neighbors recently requested a quote
Request Quote
*Mold Test Company Central Hub
New to Angi

Serving Marengo, IL and surrounding areas

Angi Approved

In business since 2008

Free estimates

Credit card accepted

When you have mold, making the correct decisions right away is critical. Whether it?s mold in your home, school, place of work or apartment there are many factors to consider.\n\nWill you be seeking property damages?\nIs anyone sick from mold exposure?\nDo you just want to test to be sure your environment is safe?\nDo you need Post Mold Remediation Testing to ensure a good job was done?\nThese and other factors are questions which need to be answered before any environmental testing starts. It?s important to know what your goals are and why your testing.\n\nDifferent goals require different environmental tests, i.e. medical damages & property damages require different environmental tests to prove your case in court. Tests that a common or inexperienced mold inspector would not typically use or know to use.\n\n

Request Quote
...
Showing 1-10 of 341
FAQs for mold & toxic material test projects in Marengo, IL

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 Marengo, IL homeowners’ guide to mold & toxic material tests

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

See all articles