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TRUSTED BY SUMMIT, WI HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon10
    Verified mold testing and remediation services reviews

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

Avatar for Skeleton Key, LLC
Skeleton Key, LLC
4.9(
158
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Summit, 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%
1 neighbors recently requested a quote
Rapid Response Remediation
4.5(
184
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Summit, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Emergency services offered

"Rob was outstanding in helping me remediate all mold in basement before selling my home. He wrote up a professional letter promptly and the home selling experience went off without a hitch because of his professionalism and expertise. Would trust him to be in your home alone, no problem at all! Thanks Rob!!!!!"
Mold
Mold
Mold
Response time2 days
Response rate97%
8 neighbors recently requested a quote
Avatar for Elite Indoor Air
Elite Indoor Air
4.9(
34
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Summit, 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 time8 hrs
Response rate97%
78 neighbors recently requested a quote
Avatar for DJK Environmental, LLC
DJK Environmental, LLC
4.0(
28
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Summit, WI and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"We contacted this company based on the positive reviews. It seems as though that there aren't many companies who want to touch this type of work (so to speak). Or, if they do they are expensive. DJK wasn't much of an exception. They did respond rather quickly when I had first contacted them. They came out and inspected the suspected mold problem area in our bedroom. So finally about 3 weeks later, $1,330.00 and 2 hours of work AND for a 2' x 2' square hole cut out in our bedroom wall. And, they had sprayed a potent biocide chemical that hopefully killed our mold problem! They don't do any mold air quality testing at all. Hence, a lab is involved. DJK will come out in advance and use a moisture meter that is supposed to detect where the moisture sits. Then they zero in on the behind the walled suspect area. That problem was caused by another painting contractor who supposedly did caulk around our windows! Apparently not. Otherwise water wouldn't have seeped in and caused this issue. Oh well, another review and problem for another day. We think it's now gone. And we'll be happier for that part. They charge extra to repair the plaster wall with a drywall (NOT plaster). You'll have to hire someone else to do plaster repair if that is what you want. Don't forget about replacing the possibly contaminated wall insulation that they may take out and dispose of. Then figure either priming and painting it yourself after the plaster has cured. Or, hiring yet another darned contractor. In short, I think DJK does the job ok, but they ain't cheap. We will see."
5 neighbors recently requested a quote
Recommended by78%of homeowners
Fresh Start Restoration
4.5(
44
)
Mold & Toxic Material TestMold & Toxic Material Test - For BusinessToxicity and Mold - Removal+1 more

Serving Summit, WI and surrounding areas

Approved

In business since 2022

Free estimates

Customers say: Quality work

"Keith performed the job in a much more efficient manner than I expected. We had mold in our walls and I thought we’d have to replace our bathroom vanity. He went above and beyond, was knowledgeable, insightful, friendly, and responsive. He provides recommendations about other aspects of the house in a tactful way that I find incredibly valuable as a first time homeowner. Highly recommend!"
4 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Affiliated Building Services
Affiliated Building Services
5.0(
1
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Summit, WI and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

At ABS Mold Remediation we pride ourselves in quality, value, and service! We are experts in our trade and will do our best to keep you as educated as we can on your particular project. We look forward to earning your business! \n \nmonday - friday 8am-5pm \nAndroid

Living room before remediation
Living room after Remediation
Attic sheathing
Attic surface mold
Attic roof sheathing

+10

Response time1 day
Recommended by100%of homeowners
Avatar for Voda Cleaning & Restoration of Franklin
Voda Cleaning & Restoration of Franklin
4.7(
13
)
Toxicity and Mold - Removal

Serving Summit, WI and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Your Cleaning & Restoration Sidekick. At Voda, our mission is to make life easier for those responsible for creating inviting, healthy spaces where people live, work, and do business. We specialize in a wide range of cleaning & restoration services to keep your home or business clean, fresh and free from damage including: carpet cleaning, floor cleaning, tile & grout cleaning, upholstery cleaning, odor removal, water damage restoration, storm damage restoration, mold mitigation and more!

Upholstery Cleaning
Carpet Cleaning
Recovery Service
IICRC
Response time2 hrs
23 neighbors recently requested a quote
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Mold Testing and Remediation FAQs, answered by experts

Silverfish aren’t a direct sign of a mold problem. But since they like dark, damp locations, they’re a very strong sign that mold problems could exist. That’s why it’s important to look for signs of mold while you are taking care of a silverfish problem, and fix any causes of long-term moisture in your house.

Most mushrooms found on residential lawns are harmless. Certain varieties such as destroying angel, fly agaric, and vomiter mushrooms that can grow in grass will occasionally make their way onto residential lawn, but this is uncommon. Since mushrooms can be notoriously difficult to identify, if you suspect that your lawn mushrooms could be a poisonous type, consulting a professional is recommended.

One of the first signs of mold in an air conditioner is a musty smell. You're likely to notice the smell when the unit runs, from the air coming out of the vents or the unit itself. You may also be able to see mold growing on the unit, such as near the condenser coils or by the fan. In some cases, there may be visible mold by the vents.

Professional carpet cleaning can cause mold if the job is not done properly. There are two ways this can happen—if your carpet cleaner fails to dry the carpet properly, or if your carpet cleaner uses an excessive amount of water during the cleaning process. Mold can grow wherever moisture is present, so make sure you hire a pro who knows the process inside and out.

Most grass mold isn’t harmful to humans. Slime molds in particular aren’t toxic and may even possess some benefits. Other molds, like powdery mildew and snow mold, generally aren’t a concern, but can still cause allergic reactions and respiratory distress in those with high allergy risk and compromised immune systems.  

The Summit, WI 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.