Water Damage Restoration & Mold Remediation in Houston, TX

Harris County's flood control district calls flooding "Harris County's No. 1 natural disaster" and says a major flood happens somewhere in the county about every two years (HCFCD). The reasons are the ones every Houstonian knows: flat ground, clay soil that barely absorbs water, and 22 watersheds draining through about 2,500 miles of bayous and channels that "cannot drain into a storm drainage system fast enough" when rain comes down at several inches an hour (HCFCD). Houston averages 51.84 inches of rain a year with no dry month; every month normally brings 3 to 6 inches (NWS Houston/Galveston).

The big events are recent. Hurricane Harvey in August 2017 dropped an average of 33.7 inches across the county, 47.4 inches at Clear Creek, and flooded nearly 136,000 structures (NWS; HCFCD). In 2024 the May derecho put 100-plus mph winds through the metro with roof damage and rain intrusion, and Hurricane Beryl in July brought 4 to 8 inches, 14.8 inches near Hilshire, and flash flooding across the county (NWS).

Cold does damage too. Winter Storm Uri in February 2021 froze pipes across Texas; insurers reported 511,473 claims and about $11.5 billion in losses, with the average residential claim around $17,800 (Texas Department of Insurance). And between the headlines there are the ordinary causes: AC condensate lines that clog in a climate where the air conditioning runs eight months a year, supply lines and water heaters that fail, roof leaks after hail, and slab leaks in a city built almost entirely on slab foundations over expansive clay.

Houston's relative humidity averages about 75% through the summer and sits above 90% in the early mornings (NCEI climate normals). The EPA's guidance is that wet materials dried within 24 to 48 hours usually won't grow mold (EPA); in a Houston summer, or a house that sat without power after a storm, that window closes fast.

Texas licenses mold work through the Department of Licensing and Regulation. Assessment and remediation are separate licenses, the same company can't do both on one project, and when a licensed remediation is finished you're owed a Certificate of Mold Damage Remediation within 10 days. Our mold remediation and mold inspection pages explain the rules and how to check a license.