Commercial Mold Remediation in Humble, TX

Signs in a Humble business

• Spots or streaks on ceiling tiles near rooftop units or skylights
• Carpet that smells damp along an exterior wall
• Black growth around supply registers in a back office
• Paint lifting near the floor after a heavy storm
• Recurring water in an AC drain pan

Local conditions

Humble is a small city in northeast Harris County, about 17 miles from downtown Houston, that became an oil boomtown after oil was found in 1904 and was home to Humble Oil and Refining Company. In Hurricane Harvey, the San Jacinto River and Cypress Creek breached their banks; the river covered sections of Interstate 69 and crested above 68 feet, and rescues took place in the Northshire subdivision. Humble's city manager later said 340 homes in the city were affected. Commercial buildings near those waterways shared the risk, and older storefronts and offices have their own aging roofs and AC systems.

The City of Humble Building Department at City Hall, 114 W. Higgins St., handles permits and inspections and requires plan submission for interior remodels and floodplain work, so rebuilding after remediation likely needs plans. The city's Code Enforcement covers property maintenance, nuisances and substandard housing.

What affects the cost

Expect pricing to follow the area involved, how much drywall, insulation and ceiling tile must come out, and whether HVAC components need cleaning. Containment for an occupied building and after-hours labor add more. Texas requires separate firms for assessment and remediation, so budget for both. HomeGuide's 2026 national figures put HVAC system or duct remediation at $2,000 to $10,000 and general remediation at $15 to $30 per square foot.

What happens when you call

A local mold remediation company asks about your building and the water event, then arranges for an independent mold assessment consultant if the job calls for one. The consultant's protocol lists the rooms, materials, protective equipment, containment and clearance criteria. The remediation company writes a matching work plan, notifies TDLR at least five days before a project of 25 contiguous square feet or more, and gives you TDLR's Consumer Mold Information Sheet. After removal, the consultant who wrote the protocol checks clearance, and you receive photos and a Certificate of Mold Damage Remediation within 10 days.