Open 24/7 · Mold help for homes and propertiesServing Greater St. Louis · (844) 352-3560
Call 24/7(844) 352-3560
Mold removal calls answered 24/7

Mold Removal in St. Louis, MO

Get straightforward next steps when moisture damage, a musty odor or visible mold concerns you. Call any hour to discuss what got wet and what mold remediation may involve.

Call (844) 352-3560 Talk to a mold removal specialistAnswered 24 hours a day. No forms.
  • Moisture source checked first
  • Containment and HEPA filtration
  • Homes, rentals and businesses
Black mold growing in vertical streaks on a white plaster wall
Moisture control mattersFix the water problem or mold can return.
24/7 callsDay, night, weekends and holidays
Moisture source firstFind and fix the leak or humidity
Contained work areaPlastic sheeting and HEPA filtration
237 ZIP codesAcross 15 counties
Mold removal explained

St. Louis Mold Removal: What the Work Includes

Mold removal includes locating your moisture source and containing the affected area, discarding material beyond cleaning, and drying material that can remain.

Mold mitigation and mold cleanup refer to work related to mold abatement and mold remediation. Your scope should tackle the underlying water intrusion or humidity issue as well as damp materials and visible mold growth.

Porous drywall, ceiling tile and carpet may need disposal. Many non-porous surfaces allow for both cleaning and drying.

  • A musty odor or visibly growing mold
  • Hidden moisture behind walls or floors
  • Mold near HVAC equipment
  • Flood or leak damage
Two yellow moisture meters, one with pins and one pinless, side by side
Call (844) 352-3560No forms. Just call.
Mold removal services

St. Louis, MO: Mold Removal Services

Moisture and material shape the cleanup plan.

Call (844) 352-3560Talk it through with a cleanup specialist
Every service

All 44 Mold Cleaning Services in St. Louis (city) County

Use your property type, room or moisture cause to choose. You can also compare mold inspection, testing and cost guides.

Call (844) 352-3560Answered 24/7, including holidays
Why people call

What to Look for in a St. Louis Mold Remediation Company

Start With the Moisture Source

Ask how the leak, condensation or humidity problem will be found and corrected.

Request a Clearly Defined Scope of Work

The scope should identify containment, affected materials, cleanup, drying, repairs and factors that can change the price.

Use Independent Clearance Testing

An independent assessor can perform any needed post-remediation verification so the company doing removal does not also check that work.

Call (844) 352-3560Ask about cost and timing by phone
First steps

Before Mold Cleanup in St. Louis (city) County

Avoid disturbing growth, save useful documentation and, if you can do so safely, stop the water.

Call (844) 352-3560
  1. Stop the water safely. Turn the leaking fixture off, or get a repair arranged. Do not approach standing water or any wet electrical equipment.
  2. Limit access. When you can, shut the door. Children and pets should stay clear of growth you can see.
  3. Avoid spreading particles. Without containment, avoid sanding, scraping or brushing mold. Stop running HVAC equipment when mold may be inside.
  4. Photograph the damage. Record the leak, visible growth and damaged items before anything moves. Check with the insurer about required records.
Step by step

Your Mold Remediation Process in Greater St. Louis

Assessment comes first in these mold remediation steps, then containment, damaged material removal, cleaning, drying, work verification and, last, removal of containment.

  1. Mold Inspection and Moisture Mapping

    A moisture meter helps locate your moisture source and affected materials, with a thermal imaging camera used when helpful.

  2. Containment and Air Filtration

    A containment barrier is made using poly sheeting. A HEPA air scrubber is an air filtration device that, with negative air pressure, limits particle movement into clean rooms.

  3. Removal of Damaged Materials

    Workers use protective equipment. Drywall removal is one possible demolition task when damaged porous materials need removal.

  4. Surface Cleaning and Drying

    A HEPA vacuum and damp wiping clean remaining non-porous surfaces. Use moisture readings, a dehumidifier and air movers to guide drying.

  5. Final Cleaning and Verification

    Post-remediation verification may include a visual check, clearance testing or air sampling by an independent assessor.

Bright empty living room with polished hardwood floors and large windows

Need a Mold Removal Service in St. Louis Today?

Call whenever you need. Speak with a mold cleanup specialist who explains the process ahead and talks with you about the moisture problem.

Call (844) 352-3560
Health and safety

Mold Removal Safety in Greater St. Louis Properties

Containment matters because disturbing affected materials can move mold spores and dust into clean rooms.

Mold Spores Can Spread

Particles can escape when you pull carpet or cut drywall. HEPA filtration with negative air pressure helps restrict movement.

Hidden Materials Can Stay Damp

A dry-looking surface can hide wet framing, insulation or subfloor. The affected area is clearer with moisture readings.

Some People Face More Risk

For some people, mold may trigger asthma and allergy symptoms. The CDC identifies people with lung disease, weak immune systems or asthma as being at greater risk.

Color Does Not Measure Risk

People use black mold and toxic mold as search terms. According to the CDC, mold color cannot tell you the level of risk.

Call (844) 352-3560Private help, day or night
Price ranges

Discuss Your Mold Removal Cost in St. Louis, MO

According to Fixr, the typical nationwide range for mold remediation is $1,500 to $9,000. The listed professional cost is $10 to $30 for each square foot on areas larger than about 10 square feet. Containment, drying, repairs and materials determine your price along with the affected area.

Typical National Mold Remediation Range

$1,500 to $9,000Source: Fixr, Mold Remediation Cost (checked 2026-10-23)

Professional Rate for Areas Over About 10 Square Feet

$10 to $30 for Each Square FootSource: Fixr, Mold Remediation Cost (checked 2026-10-23)

Typical Inspection With Two Samples and Lab Testing

$450 to $800Source: Fixr, Mold Inspection Cost (checked 2026-10-23)
More mold removal costsPublished range
Crawl space mold removal
Source: Fixr, Mold Remediation Cost (checked 2026-10-23)
$500 to $2,000

Understanding Mold Removal Cost Factors in St. Louis

  • Area, materials and hidden moisture

Published national ranges are shown here, rather than a quote. Before work begins, you should get an explanation of the actual price determined through an on-site assessment.

Insurance and who pays

Insurance for Mold Remediation in Missouri

Insurance coverage varies with moisture cause and policy terms. Long-term leaks, neglect and humidity are often excluded or limited, whereas a sudden water event may qualify if covered.

Property Disclosures

Ask which mold and moisture findings must be disclosed before a sale or lease in your area.

Renters and Landlords in St. Louis (city) County

The Missouri Attorney General's landlord-tenant page says landlords should make a property habitable before a tenant moves in, and it links to a consumer complaint form.

Homeowners Insurance and Mold Removal

Ask whether the water event is covered, whether a mold sublimit applies and what an insurance claim needs before materials are removed.

Gloved worker in a white suit holding a respirator and a spray gun
Do it yourself?

Can You Tackle Mold Cleanup Yourself in Missouri?

After the water problem is fixed, occupants can often clean areas under about 10 square feet themselves, according to the EPA. HVAC involvement, contaminated water and larger affected areas require professional help.

Not sure? Call (844) 352-3560
Property types

St. Louis Property Types and Mold Removal

Local conditions

Understanding Local Mold Removal in St. Louis

Your property condition cannot be inferred from housing figures that describe the surrounding area. Base your plans for records, access and moisture repairs on assessment results.

288,512residentsACS 2024
55%of occupied housing units are rentedACS 2024
1938median year housing units were builtACS 2024
19,023residents 65+ live aloneACS 2024

Your property needs its own assessment. The area figures do not establish the age or condition of your building. Plan access around the rooms and materials that need attention.

Keep dated photos and repair records. Ask who can authorize access, who will repair the moisture source and which records you should receive when cleanup is complete.

Local Mold Facts for St. Louis

  • License: Missouri does not appear to have a statewide license for mold assessors or remediators, and the state does not set mold exposure standards. Ask any contractor about their mold training and check local contractor rules.
  • Disclosure: Ask which mold and moisture findings must be disclosed before a sale or lease in your area.
  • Renters: The Missouri Attorney General's landlord-tenant page says landlords should make a property habitable before a tenant moves in, and it links to a consumer complaint form.
  • Agency: The Missouri Department of Health and Senior Services has a mold page for the public, with the Bureau of Environmental Epidemiology listed as the contact.
Service area

Find Local Mold Removal Across Greater St. Louis

The city and neighboring communities have access to mold removal services.

Service Counties Near St. Louis

St. Louis (city) CountyBond County, ILCalhoun County, ILClinton County, ILFranklin CountyJefferson CountyJersey County, ILLincoln CountyMacoupin County, ILMadison County, ILMonroe County, ILSaint Charles CountySt. Clair County, ILSt. Louis CountyWarren County
Questions

What People Ask About Mold Removal in St. Louis

How do you check for mold in your house?

Near windows, roofs, plumbing and HVAC equipment, look for signs of moisture, a musty odor and visible growth. A mold inspection can trace damp material. When growth and the water source are evident, mold testing may be unnecessary.

How long does mold remediation take?

Consider your affected area, the moisture source correction, drying and material removal when asking how long it takes. Request the planned order before work begins.

Is a different process needed for black mold?

Color alone does not show how risky mold is. Your removal plan should reflect the moisture source, affected area, materials and required containment.

Under what conditions is professional mold removal suitable?

EPA guidance suggests professional help when your HVAC system is affected, water damage is extensive, areas exceed about 10 square feet, or water involves sewage or contaminated water.

Could mold come back once removed?

Mold can return if a leak, condensation or humidity problem remains. Look for the moisture source in your remediation plan, along with explanations of moisture control and drying.

Black mold growing in vertical streaks on a white plaster wall

Call Mold Remediation Specialists for Greater St. Louis Now

Across the metro area, calls about musty odors, visible growth and moisture damage are answered 24 hours a day.

Call (844) 352-3560
Call (844) 352-3560 · 24/7