Mold Remediation Cost

Mold Remediation Cost Guide

By Sarah Collins, home-improvement cost analyst · Reviewed by Tom Reyes, licensed general contractor
Updated 2026-06-16

Estimate what mold remediation will cost based on the size of the affected area, the severity, and whether testing is included.

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Average cost

ScenarioRange
Small area (one room)$500 - $1,500
Medium (multiple rooms)$2,000 - $6,000
Whole house$10,000 - $30,000
HVAC / ductwork$3,000 - $10,000
Mold inspection / test$300 - $800

What affects the price

FAQ

How much does mold remediation cost?

A single room often runs $500 to $1,500; multiple rooms $2,000 to $6,000; whole-house remediation can exceed $10,000.

Does insurance cover mold remediation?

It may if the mold results from a sudden covered event like a burst pipe, but not from long-term moisture or neglect.

Can I remove mold myself?

Small surface areas under about 10 square feet can sometimes be DIY; larger or hidden mold needs a professional.

How much does black mold removal cost?

Toxic black mold is removed the same way; cost depends on area and severity, not just the type.

How long does mold remediation take?

Most jobs take 1 to 5 days depending on the size and whether rebuilding is needed.

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