Best Mold Inspection & Testing in St. Petersburg, FL
15 companies listed · 11 in St. Petersburg · 4 open 24/7 · 14 open weekends · all 15 rated 4.5+
Data verified October 24, 2026
Quigley Inspection Services
A Radiant Property Inspection
OSI Inspection Services
DG Inspekts
Shelton Home Inspections Inc.
Listed for homeowners in and around St. Petersburg, FL, 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: St. Petersburg, FL
11 of the 15 companies we list are based in St. Petersburg; the other 4 serve St. Petersburg from Clearwater (14 mi), Pinellas Park (5 mi) and Largo (10 mi). The companies on this page are rated from 4.5 to 5.0 across 3,928 reviews; 12 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (92%), quality (86%) and responsiveness (78%). The topics that come up most in reviews of the companies on this page are "informative", "communication" and "price". 4 are open around the clock; 14 are open on Saturdays and 11 on Sundays. 7 show a license on their websites; 1 lists staff certifications (IICRC) and 2 have a BBB rating of A or A+. 13 have ten or more years of experience, the longest 31 years. 4 offer emergency call-outs; 2 offer financing or payment plans; 7 give free estimates; 7 are family- or locally-owned and 2 list 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.
What should I look for on an inspection company's website?
Sites are listed for all 15 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.