Extinction Radon
“I was told how the project would proceed, Given a quote, and assured that the work would be completed within the tight timeline so we could close.”
Best Mold Inspection & Testing near West Allis, WI
2 of these companies are based in West Allis; the others serve West Allis from towns including Milwaukee (5 mi), Muskego (10 mi) and Waukesha (11 mi).
3 open 24/7 · 12 open weekends · 12 rated 4.5+ · 1 shows a license
Data verified October 20, 2026
Red Diamond Mold Remediation and Lead Abatement LLC
“Antonio and his wife were friendly and communicative.”
Kelmann Restoration
“The whole team was wonderful to work with,,,my house was quite a challenge and took longer than any of us expected but the final results are great!”
Absolute Restorations
“The roof was completely repaired, and replaced in a very professional manner, documented with photographs from start to finish.”
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Scope Inspections
“Not only did he inform me promptly to set clear expectations, but he also went the extra mile to recommend a shoreline engineer.”
Priority Home Inspection
“I was able to get an inspection scheduled quickly and it was thorough and professional.”
Listed for homeowners in and around West Allis, WI, these 15 companies test for mold and indoor air problems. Listings show what each one states about sampling, lab work and the environmental tests it offers, plus ratings and quotes from public reviews.
Area overview: West Allis, WI
The 15 companies on this page are rated from 3.6 to 5.0 across 3,361 reviews; 8 have 50 or more reviews and 12 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (98%), quality (85%) and responsiveness (83%). 3 are open around the clock; 12 are open on Saturdays and 10 on Sundays. The services the companies on this page list most often on their websites are radon testing (3), home maintenance inspections (2) and new construction inspections (2). 1 shows a license on its website; 1 lists staff certifications (InterNACHI) and 5 have a BBB rating of A or A+. 9 have ten or more years of experience, the longest 50 years. 3 offer emergency call-outs; 3 give free estimates; 3 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 14 of the companies on this page; 13 publish a contact page; 10 list a public email and 3 take bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Is one opinion enough on a damp problem?
Not when the first visit ends with a large removal quote attached. You have 15 companies on this page, so getting a second diagnosis is straightforward. Ask each one what it thinks the water source is. Two independent answers that match is the strongest signal you will get.
Anderson Home & Foundation Inspection LLC
“We have never had such a comprehensive inspection performed on our previous residences and the inspection eased our minds on our current purchase.”
Quality Care Home Inspections
“Mike and Tony were very professional, friendly, knowledgeable, thorough and explained what they were doing and looking for the entire time during the inspection.”
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Homesight Inc Inspection Service
“Our Inspector Bob Stemo was very knowledgeable and I would highly recommend him for your home inspection.”
JPR Home Inspections LLC
“He was very flexible in his schedule which made it much easier, especially in this crazy housing market.”
AHI Mold Testing and Air Quality Testing
“Great communication and service at a good price.”
Inspect Karma Home Inspection Services
“Diego was meticulous and thorough, making me feel confident nothing was missed!”
Cobak Mold Removal Solutions
“Cobak will find mold and odor issues that others will miss.”
Hensiak Inspection Services Inc
“We feel very lucky to have had the opportunity to work with him and we were very pleased with the quality of his inspection.”
Extensive Home Inspections
“Kelly was extremely helpful - very knowledgeable, professional and prompt with the inspection and the report.”
Why these companies made our list
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