Size of the affected area
Square footage is the biggest single factor, which is why cost guides quote $10–$30 per square foot. Hidden growth behind drywall or under flooring often makes the real area larger than what you can see.
Mold Remediation Cost in Fort Myers
Typical price ranges for mold remediation, inspection, attic and HVAC mold work, plus a quick calculator. When you’re ready, we’ll help you get free quotes from Florida-licensed mold pros in Lee County.
Get a Free QuoteTypical mold remediation prices
Typical national ranges from cost guides, 2025–2026 — not quotes.
| Item | Typical range |
|---|---|
| Mold remediation, typical job | $1,200–$3,750 (This Old House avg about $2,300); Fixr avg about $3,500 |
| Per square foot of affected area | $10–$30 |
| Small area (~50 sq ft) | $500–$1,500 |
| Medium area (100–200 sq ft) | $1,000–$6,000 |
| Large area (~500 sq ft) | $5,000–$15,000 |
| Whole house / ~1,000 sq ft | $10,000–$30,000 |
| Attic mold | $1,000–$9,000 |
| HVAC system and ducts | $3,000–$10,000 |
| Mold inspection | $450–$800 (national avg about $500; Florida avg about $739); extra samples $60–$80 each |
Sources: This Old House and Fixr remediation cost guides, Fixr’s mold inspection guide and Clever Real Estate’s inspection survey. Fort Myers prices can land above or below these figures. This Old House notes that remediation quotes may not include inspection or clearance testing, so read every quote closely.
Mold remediation cost calculator
Enter the approximate size of the moldy or water-damaged area to see a rough range.
What drives the cost of mold remediation
No two jobs are priced the same. These are the factors a licensed remediator typically weighs.
Where the mold is
A bathroom wall is simpler than an attic, crawl space or HVAC system. Attic mold means working around trusses and insulation, and AC and HVAC mold can involve the air handler and ductwork, which typically runs $3,000–$10,000.
Fixing the moisture source
EPA’s mold guide warns, “If you clean up the mold, but don’t fix the water problem, then, most likely, the mold problem will come back.” A roof leak, plumbing leak or AC condensate problem may need a separate plumber, roofer or HVAC contractor.
Containment and equipment
Larger jobs typically need plastic sheeting, zipper doors, negative air pressure, air scrubbers and dehumidifiers. More rooms and longer drying times add cost.
Testing and clearance testing
An assessment before the work and clearance testing after it are often separate line items. Fixr puts inspections at $450–$800, plus $60–$80 per extra sample. See mold inspection and testing.
Rebuild and repairs
Removing moldy drywall, insulation, baseboards or cabinets leaves a gap to rebuild. Some remediation quotes stop at removal and cleaning, so ask whether drywall, paint and trim are included.
Cost examples by job size
Using typical national ranges. Your quote may differ.
About 50 sq ft
$500–$1,500. For example, one bathroom wall or the area under a sink after a slow leak.
100–200 sq ft
$1,000–$6,000. For example, the lower walls of one room after a burst supply line.
About 500 sq ft
$5,000–$15,000. For example, several rooms after a storm or a long-running roof leak.
About 1,000 sq ft
$10,000–$30,000. Whole-house jobs, such as after flooding or surge water.
Under about 10 square feet? EPA’s mold guide says homeowners can usually handle a moldy area “less than about 10 square feet” (roughly 3 ft by 3 ft) themselves. Florida Statutes s. 468.8411 defines licensed mold assessment and remediation as work on growth “greater than 10 square feet.” This is general information, not legal advice. Read the 10 sq ft rule explained.
What a quote may not include
Compare quotes line by line. Items that are often priced separately:
- The mold assessment. Under Florida’s 12-month rule (s. 468.8419), the assessor and remediator are typically separate companies, except Division I certified contractors, so the assessment is usually its own bill.
- Clearance testing after the work, which This Old House says may not be in the remediation quote.
- Leak or moisture repairs by a roofer, plumber or HVAC contractor.
- Rebuild work such as new drywall, insulation, paint, flooring or cabinets.
- Contents cleaning for furniture, clothing and other belongings.
- Permits for rebuild work, where your city or county requires them.
Before you sign, ask each company for its Florida license number and verify it at MyFloridaLicense.com. Our guide to verifying a Florida mold license walks through it, and how getting mold help works explains each step of a typical job.
Mold remediation cost FAQ
How much does mold remediation cost per square foot?
Typical national ranges from cost guides run about $10–$30 per square foot of affected area. This Old House lists $10–$25 with an average near $18, and Fixr lists $10–$30. Small jobs can cost more per square foot because setup, containment and equipment have fixed costs. A licensed pro’s on-site assessment sets your actual price.
How much is a mold inspection in Florida?
Fixr puts a typical mold inspection at $450–$800, with a national average of about $500 and extra samples at $60–$80 each. Clever Real Estate lists a Florida average of about $739. Price depends on home size, how many samples are taken and whether a written report is included. Ask each licensed assessor for an itemized quote.
Does a remediation quote include testing?
Not always. This Old House notes that remediation quotes may not include the inspection or clearance testing. Because Florida’s 12-month rule typically keeps the assessor and the remediator as separate companies, testing is often quoted separately. Ask each company what is included, and budget for an assessment before the work and clearance testing after it.
How much does it cost to remove mold from an attic or AC system?
Typical national ranges put attic mold work at about $1,000–$9,000, depending on how much roof decking and insulation is affected. Mold work on an HVAC system and ducts typically runs $3,000–$10,000. These are cost-guide estimates, not quotes. See our attic mold and AC and HVAC mold pages for more.
Why do mold remediation quotes vary so much?
Quotes reflect the size of the affected area, where the mold is, how much material must be removed, the containment needed, whether testing is included and whether rebuild work is part of the price. Two quotes can also define the job differently. Compare scope line by line, and ask every company for its Florida license number.
Does Lee County's 50% rule count mold remediation costs?
Lee County’s substantial damage cost package for unincorporated Lee County says, “Demolition does not refer to post event clean up or mold remediation.” Drywall and insulation replacement are listed as costs that count toward the 50% review. Rules differ by city, so check with your local building department. This is general information, not legal advice.
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