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Cost estimator

Mold removal cost calculator for Katy, TX

Get a realistic 2026 range for your project before you call anyone. Enter the affected area, choose how deep the damage goes, and flag black mold or HVAC involvement. The estimate uses local labor and disposal costs — it's a planning tool, not a quote.

Mold Removal Cost Estimator

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

Typical Katy range
$0 – $0
Whole-home or multi-system projects commonly land in the $10,000–30,000 range.

Estimates use 2026 Gulf Coast labor and disposal costs: a $10–30/sq ft base, adjusted for how porous the affected materials are, with surcharges for toxic-appearing mold and HVAC contamination. A $500 minimum applies. Every real project depends on access, moisture source, and lab results — get a free on-site quote to confirm.

How it works

What goes into the number

  • Base rate. Katy remediation generally runs $10–30 per square foot before adjustments.
  • Severity. Sealed surfaces clean cheaply; porous drywall and insulation must be removed and replaced; structural framing and subfloor work is the most involved.
  • Black mold. Toxic-appearing growth adds 15–25% for extra containment and disposal.
  • HVAC. Contaminated coils and ductwork add $3,000–10,000 depending on system size.
  • Whole-home. Multi-system or structural projects commonly land in the $10,000–30,000 range.
Want a real number? We'll connect you with a licensed, independent local pro for a free on-site quote — no obligation.
Good to know

Frequently asked questions

How accurate is this mold removal estimate?
It's a planning range, not a quote. The calculator uses 2026 Gulf Coast labor and disposal costs, but the real price depends on the moisture source, how much material has to come out, access, and what lab testing finds. Treat it as a way to budget before a free on-site assessment.
Why is there a $500 minimum?
Even a small job carries fixed costs — a licensed pro's time, containment setup, protective equipment, and disposal. Most legitimate remediators have a minimum service charge in that range, so the calculator reflects it.
What makes black mold cost more?
Toxic-appearing molds like Stachybotrys require stricter containment, more protective equipment, and careful disposal to avoid spreading spores. That adds roughly 15–25% to a comparable non-toxic job.
Does insurance cover any of this?
Sometimes. If the mold follows a covered sudden event like a burst pipe, remediation may be covered, while flood damage needs a separate flood policy and most Texas wind/hail policies cap or exclude mold. See our Texas insurance guide for the details.

Think you have mold? Don't wait it out.

In Katy's humidity, a small spot can spread through drywall in days. Get matched with a licensed local pro for a free, no-pressure assessment.

Request a free quote Call 281-378-6005