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15 companies listed · 13 in Pittsburgh · 4 open 24/7 · 13 open weekends · 11 rated 4.5+
Data verified November 1, 2026
Listed for homeowners in and around Pittsburgh, PA, 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.
13 of the 15 companies we list are based in Pittsburgh; the other 2 serve Pittsburgh from Carnegie (6 mi). 14 of the companies on this page have a rating, from 2.9 to 5.0 across 3,833 reviews; 7 have 50 or more reviews and 11 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (97%), quality (85%) and responsiveness (85%). 4 are open around the clock; 13 are open on Saturdays and 8 on Sundays. 1 shows a license on its website; 1 lists staff certifications (ASHI) and 2 have a BBB rating of A or A+. Domain records put 9 websites of the companies on this page at ten or more years old; the oldest dates from 2001. 4 offer emergency call-outs; 2 give free estimates and 3 are family- or locally-owned. We have a website on file for all 15 of the companies on this page; 10 publish a contact page; 11 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.
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.
