Top-rated mold & toxic material testers.

Get matched with top mold & toxic material testers in Lake Geneva, WI

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 Lake Geneva

Avatar for LaFrance Environmental
LaFrance Environmental
5.0(
7
)

Serving Lake Geneva, WI and surrounding areas

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%
13 neighbors recently requested a quote
Avatar for Mold Test Company WI
Mold Test Company WI
4.5(
54
)

Serving Lake Geneva, WI and surrounding areas

Approved

In business since 2018

Emergency services offered

Small jobs welcome

"Henry came to our house. He was very knowledgeable about mold and what to look for. He answered all my questions and was very helpful. Peter who called me with the results was very nice and answered my questions. He even called back the next day when he noticed that an email he sent me didn t go through. They gave me a lot of information to help me continue my search to get rid of my mold and poor air flow."
Drywall
Drywall
Drywall
Insulation
Insulation

+69

Response time1 day
40 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Skeleton Key, LLC
Skeleton Key, LLC
4.9(
152
)

Serving Lake Geneva, WI and surrounding areas

Approved

In business since 2016

Emergency services offered

Warranties offered

"He is very informative, thorough, helpful, professional, kind and totally understood why I needed this inspection and testing due to my husbands health as well as doing everything he possibly could to have the results to to take to my husband's pulmonologist appointment. I am very grateful to him for explaining so much to me in a manner that I understood as well as his recommendations, showing me examples and with thorough descriptions all without being forceful as what I must do. I am now waiting for the test results. As I could not be happier with professional I Highly recommend."
Metal Roof & 3 Chimneys
Response time2 hrs
Response rate88%
Recommended by100%of homeowners
Avatar for Elite Indoor Air
Elite Indoor Air
4.9(
29
)

Serving Lake Geneva, WI and surrounding areas

Approved

In business since 2020

Warranties offered

Small jobs welcome

"Working with Damian was the easiest part of restoring my fixer upper! He's incredibly easy to work with, transparent and honest, and does great work for great prices. He managed to get started right away for me since the mold in my house was indeed toxic, and I couldn't be more grateful for the positivity he brought to what has been a very stressful situation for me. I couldn't recommend him more!"
Digital test
Air quality digital test before
Digital test after active pure treatment
Air quality test
Windo seal

+15

Response time7 hrs
Response rate93%
61 neighbors recently requested a quote
Avatar for Bone Dry LLC
Bone Dry LLC
4.9(
42
)

Serving Lake Geneva, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"After completing the home inspection, Todd recommended resources to address our needs. He advocated for the health and safety of the environment. Thank you"
Bathroom Mold
Basement Mold Restoration
Basement Mold Restoration
Basement Mold Restoration
Basement Mold Restoration

+2

Response time6 hrs
11 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Gardner Services
Gardner Services
4.9(
12
)

Serving Lake Geneva, WI and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"This company is great to work with. They did some mold testing on parents’ home and did excellent work. They also did some work on my home. They replaced a water heater and bathroom fans. He was easy to get a hold of, personable and come over right away."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+18

Response time8 hrs
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Environmental Cleaning and Restoration Services
Environmental Cleaning and Restoration Services
4.7(
10
)

Serving Lake Geneva, WI and surrounding areas

Approved

In business since 1991

Emergency services offered

Credit card accepted

"Bo and his technicians were very knowledgeable and experienced addressing and identifying areas where mold spores need to be controlled. Bo listened to my concerns and was very accommodating. The work was completed on schedule at the price I was quoted."
Response time1 day
Response rate92%
2 neighbors recently requested a quote
Avatar for Emerald Build Group
Emerald Build Group
5.0(
7
)

Serving Lake Geneva, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"I had Emerald Build Group come out for a mold inspection, and I’m really glad I chose them. The inspector was polite, knowledgeable, and took the time to explain everything in a way I could understand. He even pointed out a few things we hadn’t noticed ourselves. I felt very comfortable throughout the process. Would absolutely recommend them to anyone dealing with moisture or mold issues."
After Photos Condo
After Photos Condo
After Photos Condo
After Photos Condo
After Photos Condo

+68

Response time2 hrs
Response rate98%
2 neighbors recently requested a quote
...
Showing 1-10 of 55
FAQs for mold & toxic material test projects in Lake Geneva, WI

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 Lake Geneva, WI homeowners’ guide to mold & toxic material tests

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