Crawl Space Repair Contractors in St. Louis, MO

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Crawl Space Contractors in St. Louis

St. John Environmental Consulting, LLC work photo

St. John Environmental Consulting, LLC

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St. John Environmental Consulting is a St. Louis based company that surveys commercial and residential buildings for asbestos, lead and mold.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
AHERA InspectorLead Risk Assessor (Missouri, Illinois, Kansas, Mississippi)Asbestos Inspector (Missouri, Illinois, Kansas, Arkansas, Oklahoma, Kentucky, Mississippi)
St. Louis
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Spray Foam Insulation St. Louis

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Providing professional spray foam insulation installation services in St. Louis, MO, specializing in attics and crawl spaces. We offer various foam densities to create air-tight seals and improve energy efficiency for homes and businesses.

Crawl Space EncapsulationFoundation RepairStructural / Joist Repair
R-6 rating for spray foam insulation qualitycertified technicians
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SERVPRO of Affton/Webster Groves work photo

SERVPRO of Affton/Webster Groves

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Providing 24/7 emergency restoration and cleaning services in St. Louis, MO, we specialize in water damage, fire damage, mold remediation, and storm cleanup for homes and businesses.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
IICRC-certified techniciansSERVPRO franchise
Affton, MO; Webster Groves, MO; Crestwood, MO; Shrewsbury, MO; Grantwood Village, MO; Lakeshire, MO; Marlborough, MO; Concord, MO; St. Louis County
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Jet Foundation Repair work photo

Jet Foundation Repair

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Jet is an engineer-led foundation repair company providing inspections and structural fixes. The company is employee-owned.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
BBB-accreditedfully insuredmanufacturer-certified contractor
St. Louis
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Restoration 1 of Central St. Louis work photo

Restoration 1 of Central St. Louis

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Providing emergency water, fire, and mold damage restoration services in Central St. Louis. We offer 24/7 cleanup, remediation, and reconstruction for issues like flooded basements, burst pipes, and crawl space encapsulation.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
Certified Technicians
Central St. Louis
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Midwest Restoration Pros LLC work photo

Midwest Restoration Pros LLC

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Providing comprehensive water, fire, and mold damage restoration services in De Soto, MO and surrounding areas. Services include water extraction, mold remediation, fire damage cleanup, and crawl space solutions.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
IICRC-certified in water restorationIICRC-certified in fire restorationIICRC-certified in mold restoration
De Soto, Hillsboro, Festus, Cedar Hill, Fenton, Arnold, Park Hills, Farmington, Crystal City, Desloge, Potosi, Herculaneum, Kimmswick, Pevely, Valley Park, Bonne Terre, Ladue, Ballwin, Murphy, Eureka - all in Missouri
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FAST HELP

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Fast Help is a local 24/7 restoration professional providing full-service emergency cleanup.

Crawl Space EncapsulationFoundation RepairStructural / Joist Repair
Licensed & Insured
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Claro - Complete Mold Remediation - St. Louis work photo

Claro - Complete Mold Remediation - St. Louis

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Claro - Complete Mold Remediation provides mold inspection, testing, and whole-home mold remediation using patented dry-fog technology. They offer services that are family-safe and guaranteed for a full year.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
St. Louis, MO and surrounding areas including Clayton, Ladue, Frontenac, Chesterfield, Creve Coeur, Kirkwood, Webster Groves, Ballwin, Manchester, Wildwood
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St Louis Mold Remediation Solutions work photo

St Louis Mold Remediation Solutions

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St Louis Mold Remediation Solutions provides expert mold removal services in St Louis, specializing in tailored solutions to address unique mold challenges.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
St Louis
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AWA Environmental - Saint Louis Mold Inspectors work photo

AWA Environmental - Saint Louis Mold Inspectors

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Providing expert mold, asbestos, and environmental hazard inspections in St. Louis, MO. Services include mycotoxin, VOC, and soot testing to identify indoor air quality issues and ensure property safety.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
Certified TechniciansCertified Mold Inspectors
St. Louis, Missouri
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Koala Insulation of St. Louis work photo

Koala Insulation of St. Louis

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Providing comprehensive insulation services in St. Louis, MO, including spray foam, attic insulation, and crawl space encapsulation. We enhance home comfort and energy efficiency through expert air sealing and insulation solutions.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
St. Louis, Arnold, and Florissant, Missouri
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St. Louis Foundation Repair & Waterproofing

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Providing comprehensive foundation repair, crawl space services, and waterproofing solutions in St. Louis, MO. Services include crack repair, encapsulation, vapor barrier installation, and basement waterproofing.

Crawl Space EncapsulationFoundation RepairStructural / Joist Repair
fully licensedinsured
$500–$3500View Profile
Mold Solutions work photo

Mold Solutions

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Mold Solutions provides mold inspection, remediation, and prevention services. They have been serving the St Louis area since 2008.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
National Association of Mold ProfessionalsIICRC Water Restoration CertificationIICRC Applied Microbial Remediation Certification
St Louis
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West County Insulation work photo

West County Insulation

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Providing comprehensive insulation services for St. Louis and St. Charles, MO homeowners and businesses. Services include attic, wall, and blown-in insulation installation and removal for new construction and retrofits.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
EPA Lead-Safe Certified FirmAttic Fresh brand affiliation
St. Louis and St. Charles, Missouri
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Midwest Flood Restoration work photo

Midwest Flood Restoration

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Providing 24/7 water damage restoration in St. Louis and surrounding areas, we handle water extraction, drying, and complete property restoration for emergencies like flooding, burst pipes, and sewage damage.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
St. Louis and surrounding areas in Missouri and Illinois, including: Alton IL, Arnold MO, Ballwin MO, Belleville IL, Chesterfield MO, Clayton MO, Collinsville IL, Columbia IL, Creve Coeur MO, Edwardsville IL, Florissant MO, Frontenac MO, Granite City IL, Hazelwood MO, Jerseyville IL, Kirkwood MO, Ladue MO, Macomb IL, Maryland Heights MO, Maryville IL, Mascoutah IL, Mehlville MO, Oakville MO, O'Fallon IL, Old Jamestown MO, Overland MO, St Charles MO, St Peters MO, Swansea IL, Town and Country MO, Troy IL, University City MO, Waterloo IL, Wildwood MO
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Fred's Foundation Repair and Waterproofing work photo

Fred's Foundation Repair and Waterproofing

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Crawl space encapsulation and waterproofing services for St. Louis homes, including vapor barriers, sump pumps, and structural repairs.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
St. Louis and St. Louis County, including Oakville, Affton, Mehlville, Lemay, South County
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Thornburgh Insulation Inc work photo

Thornburgh Insulation Inc

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Thornburgh Companies is a mechanical insulation contractor that has expanded into asbestos and lead abatement, painting, and firestopping services. They provide industrial, power, utility, and commercial insulation installations.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
St. Louis and the midwest
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Superior Waterproofing & Restoration work photo

Superior Waterproofing & Restoration

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Superior Waterproofing is a business that provides waterproofing services.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
St. Louis
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Gateway Waterproofing & Restoration work photo

Gateway Waterproofing & Restoration

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Waterproofing and restoration services for St. Louis area homes and businesses. We are committed to expert craftsmanship and safety in all our projects.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
OSHA compliance
Saint Louis
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Certified Waterproofing Inc. work photo

Certified Waterproofing Inc.

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Certified Waterproofing Inc. provides home waterproofing and repair services. They have been keeping homes healthy and dry since 1888.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
A+ rating with Better Business Bureau
St. Louis area
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E.S. Leonard Waterproofing work photo

E.S. Leonard Waterproofing

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E.S. Leonard Contracting LLC is a small family company based in De Soto that provides foundation repair, tuckpointing, and foundation crack repair.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
17 Angi (Angie's List) Super Service Awards
St. Louis area
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Crack Wizard work photo

Crack Wizard

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Crack Wizard provides foundation repair and waterproofing services.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
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SERVPRO of St. Louis Central and SERVPRO of Bridgeton / Florissant work photo

SERVPRO of St. Louis Central and SERVPRO of Bridgeton / Florissant

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Water, fire, mold, and disaster restoration services in St. Louis, MO, including construction and cleaning. We offer 24/7 emergency cleaning and repairs for residential and commercial properties.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
IICRC-industry certificationSERVPRO franchise (1 of 1,500+ nationwide)
St. Louis, Florissant, Hazelwood, Bridgeton, Earth City, Dutchtown, Central West End, Tower Grove, Bevo Mill, Lindenwood Park, Carondelet, Midtown, Soulard, The Hill, Lafayette Square, Benton Park, MO
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HIGH & DRY foundation repair work photo

HIGH & DRY foundation repair

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Foundation repair and waterproofing services for homes in High Ridge and the Greater St. Louis area. Specializing in crack repair, bowed wall repair, basement piering, and waterproofing to address structural damage and water intrusion.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
Maintenance Plans Available
Greater St. Louis Metro Area including St. Louis, St. Charles, Chesterfield, O'Fallon, Ballwin, High Ridge, Kirkwood, and Pacific, MO
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Crawlspace Medic of St. Louis work photo

Crawlspace Medic of St. Louis

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Providing crawl space encapsulation, basement waterproofing, and vapor barrier installation to protect St. Louis homes from moisture and mold. Services also include dehumidifier installation and sump pump systems.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
St. Louis, MO and surrounding areas including Belleville, Central West End, Chesterfield, Columbia, Granite City, Mascoutah, O'Fallon, South County, St. Charles, Wildwood, Clayton, Webster Groves, and University City
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Gateway Home Services work photo

Gateway Home Services

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Gateway Home Services offers AC, furnace, and handyman services in St. Louis, MO, with over 30 years of experience in property maintenance.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
Fully Licensed & InsuredThumbtack Top Pro 2021
St. Louis, Missouri and surrounding areas including Madison County IL, St Clair County IL, Jefferson County MO, St Louis County MO, Franklin County MO, Randolph County IL, St Charles County MO
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Ram Jack St. Louis work photo

Ram Jack St. Louis

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Ram Jack St. Louis provides foundation repair and basement waterproofing services.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
USA Engineered SteelIndustry-leading Life of Structure limited warranty40+ years of patents, innovation and expertise
St. Louis
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Bay Insulation of Missouri work photo

Bay Insulation of Missouri

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Reviewed

Bay Insulation of Missouri provides metal building insulation systems, vapor barriers, and liner systems in St. Louis, MO.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
NAIMA 202-96 fiberglass blanketUL Certified metal building insulationOSHA standards compliance (Skyliner System)
United States and Canada with 25 facilities
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The Flood Team work photo

The Flood Team

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Well reviewed

Water damage cleanup and restoration specialists in St. Louis, MO, offering water extraction, structural drying, and mold remediation. Services also include drain cleaning and flooded basement restoration.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
IICRC ASD certification (Applied Structural Drying)certified water damage restoration specialists
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Foundation Recovery Systems work photo

Foundation Recovery Systems

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Waterproofing and foundation repair firm, plus concrete lifting services.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
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Woods Basement Systems work photo

Woods Basement Systems

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Woods Basement Systems is a basement waterproofing contractor serving the greater St. Louis area in Illinois and Missouri.

Crawl Space EncapsulationInterior Drainage SystemStructural / Joist RepairFoundation Repair
Authorized Basement Systems contractor in Missouri & IllinoisState-of-the-art, award-winning productsWritten, transferable warranties
greater St. Louis, Illinois, and Missouri
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All Star & Roofing

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Reviewed

All Star Insulation & Roofing is a family owned and operated company serving the Saint Louis area that specializes in insulation and roofing services.

Crawl Space EncapsulationFoundation RepairStructural / Joist Repair
licensed and insuredA+ rating with Better Business Bureau
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Insulation Pros work photo

Insulation Pros

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Improve your home's energy efficiency with professional insulation and air sealing services. Insulation Pros serves Wright City, MO, and surrounding areas to help make your home more comfortable and cost-effective.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
From$120St. Louis to Columbia (east to west), Hannibal to Arnold (north to south), Missouri; capable of serving further depending on project nature
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Midwest Basement Tech work photo

Midwest Basement Tech

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Reviewed

Crawl space and basement repair specialists offering waterproofing, encapsulation, and foundation repair services in Brighton, IL and surrounding areas. We provide moisture control and sump pump solutions.

Crawl Space EncapsulationFoundation RepairStructural / Joist RepairCrawl Space Waterproofing
Basement Health Association memberCertified by Basement Health AssociationLimited Transferable Warranties on Most Repairs
Central Illinois (Belleville, Collinsville, Edwardsville, Alton, Jerseyville, Brighton, Litchfield, Carlinville, Jacksonville, Springfield, Decatur, Centralia, Mt. Vernon, Carbondale, Marion and surrounding towns) and Greater St. Louis and Lake of the Ozarks area in Missouri (St. Louis, Clayton, Brentwood, Kirkwood, Ballwin, Fenton, St. Charles, O'Fallon, Chesterfield, Arnold, Festus, Ste. Genevieve, Lake Ozark, Osage Beach, Sunrise Beach, Camdenton and surrounding towns)
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St. Louis homeowners face common crawl space and foundation challenges driven by local soil and climate conditions. Moisture control, encapsulation, and structural repair are among the most-requested services.

What to Expect

Crawl space encapsulation in the St. Louis area typically ranges from $5,000–$15,000 depending on square footage and moisture severity. Foundation repair costs vary widely based on the scope of work. Get multiple quotes from verified contractors.

Coverage Areas

St. Louis-area contractors typically serve surrounding communities within a 30–50 mile radius.

Frequently Asked Questions

How much does crawl space encapsulation cost in St. Louis?

Crawl space encapsulation typically costs $3-$10 per sq ft, with full projects ranging from $3,000-$15,000. Costs depend on crawl space size and moisture severity. Contact contractors in St. Louis for a specific quote.

Do I need encapsulation or just a vapor barrier in St. Louis?

A vapor barrier alone covers the ground to reduce moisture but leaves walls and vents open. Full encapsulation seals the entire crawl space including walls, adds a dehumidifier, and seals vents for complete moisture control. A St. Louis contractor can inspect and recommend the right approach.

How long does crawl space repair take in St. Louis?

A basic vapor barrier installation takes 1-2 days. Full encapsulation typically takes 2-4 days. If structural or joist repair is needed, the project may take 3-7 days depending on the extent of damage.

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