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2 of these companies are based in Laguna Beach; the others serve Laguna Beach from towns including Long Beach (29 mi), Huntington Beach (17 mi) and Laguna Niguel (3 mi).
11 open 24/7 · 20 open weekends · 22 rated 4.5+ · 8 show a license
Data verified October 15, 2026
Listed for homeowners in and around Laguna Beach, CA, 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.
23 of the 24 companies on this page have a rating, from 4.0 to 5.0 across 1,407 reviews; 7 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (91%), responsiveness (80%) and quality (78%). The topics that come up most in reviews of the companies on this page are "cleanliness", "price" and "communication". 11 are open around the clock; 20 are open on Saturdays and 17 on Sundays. The services the companies on this page list most often on their websites are water damage restoration (4), fire damage (3), mold remediation (3), sewage cleanup (3) and water damage (3). 8 show a license on their websites and 2 list staff certifications (IICRC and InterNACHI). Domain records put 13 websites of the companies on this page at ten or more years old; the oldest dates from 2002. 11 offer emergency call-outs; 7 give free estimates; 7 are family- or locally-owned and 1 lists coupons or special offers. 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.
