Best Sewage Cleanup & Biohazard Companies in New Haven, CT
Category 3 black-water remediation, sewage backup cleanup, trauma scene cleanup, and biohazard decontamination per IICRC S540.
7 firms indexed in New Haven for this practice area.
New Haven residents in East Rock, Westville, and Wooster Square and beyond know Yale University as a local marker, but they also know what local weather can do to a home. Across the area, coastal flooding on the harbor plus nor'easters drive recurring basement and roof water damage. Every firm ranked below serves New Haven and the surrounding Connecticut 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 New Haven 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 New Haven restoration companies carry the strongest independently verified track record. Because water and storm damage in New Haven 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 New Haven: Wikipedia · Official city site
What are the best sewage cleanup & biohazard companies in New Haven, CT?
As of July 2026, New England Restoration LLC ranks #1 among the 7 sewage & biohazard firms indexed in New Haven, CT, with a MetaScore of 83/100. Every firm below is scored on the same public-source signals (BBB, Google, IICRC, EPA Lead-Safe, Yelp, Angi, and HomeAdvisor).