Mold Removal Cost Estimator

A grounded 2026 ballpark for Katy-area homes — not a quote.

Estimated range
$0 – $0
Typical Katy-area remediation project

Estimates use 2026 Katy-area labor and disposal costs: a $10–80/sq ft base depending on how porous the affected materials are, with surcharges for black/toxic-appearing mold, active water damage, and HVAC contamination. A $500 minimum applies. Every real project depends on access, the moisture source, and lab results — get a free on-site quote to confirm.

How this estimate works

The calculator multiplies your affected square footage by a 2026 Katy-area rate that depends on how porous the affected materials are — surface, porous, or structural — then adds surcharges for black/toxic-appearing mold, active water damage, and HVAC involvement, with a $500 project minimum. These ranges reflect local labor and disposal costs, but every real job depends on the moisture source, access, and what the inspection finds behind the wall.

For a full breakdown of what drives mold pricing in Katy and how to read an estimate, see our mold removal cost guide. When you're ready for a real number, request a free quote .

Why an estimate isn't a quote: the biggest cost factor — how far hidden moisture has spread — can't be seen from a square-footage guess. A small visible stain fed by a long leak can hide a much larger wet area. That's why the on-site inspection matters.