Urgent response
Start here when there is active water damage, a fast-spreading issue, or a time-sensitive repair.
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Mold remediation companies serving St. Louis, MO
Compare mold remediation providers with strong local signals for St. Louis, MO. Broader area options are included when the service-area data suggests they may cover the city.
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Strong local matches 9
Broader options 0
Public reviews 6016
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Mold jobs are not all the same. For St. Louis, MO, start with the signals that match the problem you need solved, then confirm exactly what work is included before booking.
Containment methods
Useful when mold may need isolation from clean areas during removal.
8local
Ask what containment, air movement, or negative-air process is included in the work.
Moisture-source checks
Important when mold appears after a leak, flood, roof issue, or damp basement condition.
9local
Ask how they identify and address the moisture source before or during remediation.
Testing or inspection
Helpful when you need inspection, sampling, or clearance questions separated from removal work.
9local
Ask whether testing is included, handled separately, or referred to an independent process.
Strong local matches
Strong local matches for St. Louis
Best for: St. Louis homeowners dealing with water damage that has led to mold growth, who want one company to handle plumbing repair, water extraction, and mold remediation under a single call.
Service area: Headquartered at 2671 Washington Ave in St. Louis, MO. Serves the St. Louis metro area including Oakville, University City, Webster Groves, Affton, Clayton, Crestwood, Richmond Heights, Ladue, Brentwood, Maplewood, and St. Charles. Claims coverage across 13 Missouri counties (including St. Louis, St. Charles, Jefferson, Franklin, Lincoln) and 10 Illinois counties (including St. Clair, Madison, Monroe). That is an extremely broad footprint -- confirm availability and response time for locations outside the immediate St. Louis urban core.
Plumbing + remediation in-house24/7 water damage responseInsurance claim supportCommercial restoration
Review snapshot: Gabriel, Carl, and Nick draw consistent praise for thorough drain work and clear communication. But pricing complaints are a recurring theme, with multiple reviewers reporting quotes two to three times higher than competitors -- 14 one-star reviews across 5,376 total at 4.8 stars.
Best for: Metro East St. Louis homeowners dealing with basement mold or water intrusion who want a restoration company that also handles foundation drainage and waterproofing under one contract.
Service area: Headquartered in Waterloo, Illinois, with a mailing address in Columbia, Illinois. Markets to the greater St. Louis metropolitan area using a 314 area code. Reviews reference properties across the Metro East region. Confirm coverage for your specific city before booking.
Water + mold comboFoundation drainageBasement waterproofing
Review snapshot: Jerrod (owner) draws repeated praise for hands-on involvement and fast scheduling, with Chris noted for mold work knowledge. But one recent reviewer reported unfinished floor repairs and months of return visits — 1 negative across 167 reviews at 5.0 stars.
Best for: St. Louis homeowners facing water damage or mold who want an owner-operated Voda franchise location with a perfect 5.0-star rating across 108 reviews and 24/7 emergency response.
Service area: Based at 11252 Midland Blvd in St. Louis, MO. The website lists dedicated pages for Ballwin, Chesterfield, Clarkson Valley, Creve Coeur, Frontenac, Maryland Heights, St. Peters, Town and Country, Webster Groves, Wildwood, Weldon Spring, Brentwood, Cottleville, Des Peres, Ellisville, Glendale, Kirkwood, Ladue, Manchester, Maplewood, Olivette, Overland, Richmond Heights, Shrewsbury, St. Ann, St. Charles, Sunset Hills, University City, Warson Woods, and Winchester. That covers most of St. Louis County and parts of St. Charles County.
In-house mold testing24/7 water emergencyOdor removalCommercial services
Review snapshot: Darren (owner), Malcolm, Nick, and Joe draw consistent praise for fast response times, honest assessments, and clean workmanship across carpet cleaning, water damage, and mold jobs. But zero negative reviews across 108 total means no stress-test data exists.
Best for: St. Louis homeowners dealing with basement flooding or sewer backups who want a water damage company that also handles the mold cleanup afterward.
Service area: Headquartered at 6727 S Broadway in south St. Louis, MO. They list 35 cities across both the Missouri and Illinois sides of the metro, including Arnold, Ballwin, Chesterfield, Clayton, Florissant, Kirkwood, St. Charles, and St. Peters in Missouri, plus Alton, Belleville, Collinsville, Edwardsville, and O'Fallon in Illinois. They claim a 100-mile service radius from St. Louis, which would extend well beyond the listed cities into rural areas where response times will be longer.
Water + mold comboInsurance direct billing24/7 emergency response
Review snapshot: Mike draws repeat praise for insurance handling and fast scheduling, with Rich and Moe noted for quick on-site work. But zero 1-star reviews exist across 78 total reviews at 4.9 stars, leaving little independent criticism to evaluate.
Best for: Central St. Louis homeowners dealing with basement water damage or mold who want owner Jim Rogers handling the job personally, not a rotating crew.
Service area: Headquartered at 3441 Morgan Ford Road in St. Louis, Missouri. The website says they serve Central St. Louis and surrounding areas but does not list specific cities or counties beyond that. Reviews come from homeowners in the St. Louis metro. Ask about travel radius and any trip charges for jobs outside the immediate area.
Water + mold comboInsurance claim support24/7 emergency responseCrawlspace encapsulation
Review snapshot: Jim Rogers draws near-universal praise across 69 reviews for same-day response, honest assessments, and no upselling. Zero negative reviews in the last 18 months.
Best for: St. Louis homeowners and commercial property managers dealing with mold alongside asbestos or lead in older buildings, where a single union-signatory crew can handle multiple hazards in one project.
Service area: Headquartered at 3100 Gravois Ave in St. Louis, MO. The website lists St. Louis, St. Charles, and Columbia, Missouri as primary service areas. Their client list and reviews confirm active work across the St. Louis metro, including projects in surrounding counties. Columbia is roughly 125 miles west of their headquarters.
Multi-hazard remediationCommercial demolitionPFAS testingMBE-designated firm
Review snapshot: Rob Pollard and Ben draw consistent praise across 64 reviews for clean, on-schedule field work, and Jason keeps communication tight on the estimating side. But with zero negative reviews in the last 18 months, there is no recent complaint data to weigh.
Best for: St. Louis metro homeowners dealing with mold after water damage who want a single company to handle extraction, remediation, and reconstruction under one roof with a 100+ vehicle fleet for fast response.
Service area: Woodard is headquartered on Watson Road in St. Louis, Missouri. They list eight service counties: St. Louis City, St. Louis County, St. Charles County, Franklin County in Missouri, and St. Clair County, Monroe County, Madison County, and Jersey County in Illinois. That is a wide footprint covering both sides of the Mississippi, so confirm response times for locations outside the immediate St. Louis metro.
In-house testing + remediationWater-to-rebuild pipelineCommercial and residential24/7 emergency response
Review snapshot: Josh Morgan, Chris, Kyle, and Ron draw consistent praise across 50 reviews at a perfect 5.0 stars, with zero complaints in the last 18 months.
Best for: St. Louis County homeowners dealing with water damage or sewer backups who want a single company to handle mitigation through mold remediation, with insurance coordination built in.
Service area: Headquartered in St. Louis, Missouri (63132). They serve St. Louis City, St. Louis County, and St. Charles County, listing over 30 specific suburbs including Chesterfield, Clayton, Kirkwood, Webster Groves, O'Fallon, St. Peters, Maryland Heights, Florissant, and Wildwood. The service area claims are broad but plausible for a company that has operated here since 1991.
Water + mold mitigationAEGIS antimicrobial coatingInsurance-referred
Review snapshot: Devin draws consistent praise for attention to detail and communication across dozens of reviews, but 3 one-star complaints out of 84 reviews at 4.6 stars describe insurance-referred jobs where scope of work went unfinished and personal items went missing.
Best for: St. Louis homeowners who want a dry-fog mold treatment that treats the whole house in a single afternoon without demolition, especially in the western suburbs from Kirkwood to Chesterfield.
Service area: Headquartered in St. Louis, Missouri at 8821 Manchester Road, Suite 101 (63144). The website names Clayton, Ladue, Frontenac, Chesterfield, Creve Coeur, Kirkwood, Webster Groves, Ballwin, Manchester, and Wildwood as served areas. Claro also operates locations in Franklin and Nashville, Tennessee, and Peachtree Corners, Georgia — the St. Louis office covers the Missouri territory.
Dry-fog treatmentIn-house testingCrawlspace remediation
Review snapshot: Dave, the owner, is named in over half of all reviews for hands-on involvement from inspection through treatment. But with only 20 reviews and zero negatives, the record has not been stress-tested.
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