Best Sewage Cleanup & Biohazard Companies in Denver, CO
Category 3 black-water remediation, sewage backup cleanup, trauma scene cleanup, and biohazard decontamination per IICRC S540.
3 firms indexed in Denver for this practice area.
Denver spans distinct neighborhoods from LoDo, Capitol Hill, and Wash Park, anchored by the Rocky Mountain front range. Here, hailstorms, sudden snowmelt, and Cherry Creek / Platte flash flooding are the top water-damage causes. Every firm ranked below serves Denver and the surrounding Colorado area, and each is scored on the same public-source MetaScore, drawn from BBB, Google, IICRC certification, EPA Lead-Safe status, Yelp, Angi, and HomeAdvisor. That means a water-damage, mold, fire, or storm-restoration company in Denver earns its rank on verifiable signals, not advertising spend. Whether you are dealing with a burst pipe, a flooded basement, storm-driven roof intrusion, or lingering moisture, the ranking below shows which Denver restoration companies carry the strongest independently verified track record. Because water and storm damage in Denver rarely waits for business hours, the firms below are ranked to help you shortlist a trusted, IICRC-informed responder before the next emergency, not during it.
More about Denver: Wikipedia · Official city site
What are the best sewage cleanup & biohazard companies in Denver, CO?
As of July 2026, Colorado Cleanup Services, Inc. ranks #1 among the 3 sewage & biohazard firms indexed in Denver, CO, with a MetaScore of 85/100. Every firm below is scored on the same public-source signals (BBB, Google, IICRC, EPA Lead-Safe, Yelp, Angi, and HomeAdvisor).