Priority Restoration
“He & his team went above and beyond to help with every little thing they could.”
Best Mold Inspection & Testing in Philadelphia, PA
20 companies listed · all 20 in Philadelphia · 8 open 24/7 · 15 open weekends · 19 rated 4.5+
Data verified November 6, 2026
Valueguard Home Inspections
“First time going through the process of buying a home and Mike came out and was very knowledgeable and friendly.”
Guardian Restoration
“We had fire damage and a friend referred us to Dom and Jason, these guys and their crew did a phenomenal job, they were efficient and worked very cleanly.”
Property Recovery 911
“Property Recovery 911 came out to remediate a pipe leak in 2 areas of our house due to water and sewage leaking from a cracked pipe.”
Basement Gurus
“Really went above and beyond to help us with our water issues we are having in our basement and make it to where we are living water free.”
Anvil Remediation
“We needed some roof work done, and these guys got it done well and on time.”
Listed for homeowners in and around Philadelphia, PA, these 20 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: Philadelphia, PA
All 20 companies we list here are in Philadelphia itself. We have 21 companies in Philadelphia on file; this page shows the highest-rated 20. 19 of the companies on this page have a rating, from 4.5 to 5.0 across 5,408 reviews; 13 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (94%), quality (69%) and responsiveness (69%). The topics that come up most in reviews of the companies on this page are "price", "cleanliness" and "efficient". 8 are open around the clock; 15 are open on Saturdays and 12 on Sundays. The services the companies on this page list most often on their websites are mold remediation (5), biohazard cleanup (2) and radon (2). 8 show a license on their websites and 3 list staff certifications (IICRC and EPA). 6 have ten or more years of experience, the longest 27 years. 9 offer emergency call-outs; 2 offer financing or payment plans; 9 give free estimates; 2 are family- or locally-owned and 3 list coupons or special offers. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
What should I look for on an inspection company's website?
Sites are listed for 18 of the 20 companies here. Check whether the company sells removal as well as testing, which lab it sends samples to, and whether it shows a redacted sample report. A firm that explains its sampling method in public is easier to hold to it later.
Philadelphia Disaster Restoration
“No one wants to be in need of a disaster clean up but if you are, these are the people who will provide quick, efficient and top quality work.”
Eagle Inspections
“He was incredibly detailed and thorough in his inspection and kept me informed throughout the entire process.”
NEO Duct Cleaning
“They were polite and professional with all of my questions about their process as they worked, and respectful of our space; they cleaned as they went.”
Lead Safe Technicians
“I was very impressed from the moment I called to the time that we schedule.”
Rightway Waterproofing
“I didn't think it was possible but they were able to partially demo, remediate mold, install a sump pump and French drain in 1 day 😮 fitting me into their schedule before my move in.”
Homer Inspection Services
“While they assessed the home they gave us a thorough review of the property discussing any issues they found ranking from most important to least.”
Top Shelf Mold Removal
“They walked me through the entire process, explained things in laymen's terms so I could understand and were communicative and professional throughout the entire process.”
Advantage Mold Experts
“Went out to my site and immediately called me to give me a heads up on what needs to be done.”
LTS Lead Dust Inspectors
“Terry was very professional and kept me updated the whole time with my results”
Steadfast Inspection Services
“I first hired Josh five years ago, and after working with him again yesterday, I can confidently say his outstanding standards haven't wavered a bit.”
USA Environmental Management Inc
Vetted Home Inspections
“Responded quickly, was extremely thorough and offered detailed information on needed improvements, including cost estimates.”
Lead Out Ladies
H.e.l.p.s. INC Lead Testing
“Schedule quickly and dealt with professionally will do future business with helps Inc.”
Why these companies made our list
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