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24 companies listed · 6 in Methuen · 7 open 24/7 · 18 open weekends · 23 rated 4.5+
Data verified October 16, 2026
Listed for homeowners in and around Methuen, MA, these 24 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.
6 of the 24 companies we list are based in Methuen; the other 18 serve Methuen from towns including Derry, NH (12 mi), Nashua, NH (15 mi) and Manchester, NH (22 mi). 23 of the companies on this page have a rating, from 4.6 to 5.0 across 4,926 reviews; 13 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (95%), quality (86%) and responsiveness (84%). The topics that come up most in reviews of the companies on this page are "price", "informative" and "knowledge". 7 are open around the clock; 18 are open on Saturdays and 15 on Sundays. 4 show a license on their websites; 2 list staff certifications (IICRC) and 7 have a BBB rating of A or A+. 18 have ten or more years of experience, the longest 62 years. 8 offer emergency call-outs; 6 give free estimates; 6 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for all 24 of the companies on this page; 20 publish a contact page; 15 list a public email and 5 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 24 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.
