Crawl Space Repair Contractors in St. Louis, MO

Compare 28contractors in St. Louis.

Crawl Space Contractors in St. Louis

Woods Basement Systems

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Woods Basement Systems is an authorized Basement Systems contractor providing basement waterproofing, crawl space encapsulation, and foundation repair services. They help homeowners protect against moisture, mold, rot, and structural issues.

Crawl Space EncapsulationInterior Drainage SystemStructural / Joist Repairfoundation_repairCrawl Space Waterproofing
Authorized Basement Systems contractor in Missouri & IllinoisState-of-the-art, award-winning productsWritten, transferable warranties
Service Area
Greater St. Louis Missouri area, Southern Illinois including Springfield, Champaign, Belleville, and counties: St. Louis, Boone, Cape Girardeau, Franklin, Jefferson, Lincoln, St. Charles

Crawlspace Medic of St. Louis

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Crawlspace Medic of St. Louis provides expert crawl space encapsulation, basement waterproofing, vapor barriers, and dehumidifier installation to protect St. Louis homes from moisture damage and mold growth.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
Service Area
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

Jet Foundation Repair

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Jet Foundation Repair is St. Louis' only 100% employee-owned foundation repair company providing engineer-led structural solutions for foundations, basements, and crawl spaces with transparent pricing and comprehensive warranties.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
BBB-accreditedfully insuredmanufacturer-certified contractor
Service Area
St. Louis, Missouri and Midwest

Fred's Foundation Repair and Waterproofing

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Fred's Foundation Repair & Waterproofing is a locally-owned, family-run company providing affordable basement waterproofing and foundation repair solutions tailored to St. Louis homes and local soil conditions.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
Service Area
St. Louis and St. Louis County, including Oakville, Affton, Mehlville, Lemay, South County

St. Louis Foundation Repair & Waterproofing

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St. Louis Foundation Repair & Waterproofing provides comprehensive foundation repair, crawl space services, and waterproofing solutions for residential and commercial customers in St. Louis, MO. They specialize in foundation inspections, crack repair, leveling, and moisture control.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
fully licensedinsuredcertified contractors
Price
$500.00–$3500.00
Service Area
St. Louis, MO

Certified Waterproofing Inc.

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Certified Waterproofing Inc. specializes in basement waterproofing, foundation repair, and tuckpointing services for homes, with expertise in older and historical St. Louis properties since 1888.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
A+ rating with Better Business Bureau
Service Area
St. Louis area

Koala Insulation of St. Louis

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Koala Insulation of St. Louis is a premier insulation contractor specializing in residential and commercial insulation installation, removal, and energy efficiency solutions. They provide spray foam, blown-in, batt insulation, air sealing, and crawl space encapsulation services to enhance home comfort and reduce energy costs.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
Service Area
St. Louis, Arnold, and Florissant, Missouri

Spray Foam Insulation St. Louis

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Spray foam insulation contractor in St. Louis specializing in residential and commercial insulation installation. They provide spray foam insulation services that create air-tight seals and improve energy efficiency.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
R-6 rating for spray foam insulation qualitycertified technicians
Service Area
St. Louis, Missouri

West County Insulation

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West County Insulation is an energy-efficient insulation contractor serving St. Louis and St. Charles, Missouri, providing residential and commercial insulation services including attic, wall, and blown-in insulation installation and removal.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
EPA Lead-Safe Certified FirmAttic Fresh brand affiliation
Service Area
St. Louis and St. Charles, Missouri

All Star & Roofing

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Family-owned insulation and roofing contractor serving the Saint Louis, Missouri Metropolitan Area for over 30 years, specializing in insulation installation and roofing services for homeowners and general contractors.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
licensed and insuredA+ rating with Better Business Bureau
Service Area
Saint Louis, Missouri Metropolitan Area

Thornburgh Insulation Inc

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Thornburgh Companies is a multi-service contractor providing mechanical insulation, asbestos and lead abatement, painting, and fire stopping solutions since 1987. Fire Stop Technologies, established in 1994, specializes in firestopping systems and fire-resistant coatings.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
Service Area
St. Louis area

Bay Insulation of Missouri

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Metal building insulation experts providing custom-laminated, UL certified fiberglass insulation systems and related products for commercial and industrial applications.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
NAIMA 202-96 fiberglass blanketUL Certified metal building insulationOSHA standards compliance (Skyliner System)
Service Area
United States and Canada with 25 facilities

Gateway Home Services

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Gateway Home Services is a licensed and insured handyman and property maintenance company offering residential and commercial repair, replacement, and installation services in the St. Louis area. With over 30 years of experience, they provide comprehensive solutions for homes and businesses.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
Fully Licensed & InsuredThumbtack Top Pro 2021
Service Area
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

Gateway Waterproofing & Restoration

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Gateway Waterproofing & Restoration is a Saint Louis-based company specializing in commercial and residential waterproofing and restoration services with a commitment to expert craftsmanship and safety.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
OSHA compliance
Service Area
Saint Louis

Mold Solutions

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Mold Solutions is a locally owned and operated mold inspection, remediation, and prevention company serving the St. Louis and Chicago areas since 2008, offering safe and effective mold removal with guaranteed results.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
National Association of Mold ProfessionalsIICRC Water Restoration CertificationIICRC Applied Microbial Remediation Certification
Service Area
St. Louis, Missouri and Chicago, Illinois (Frankfort, Illinois office)

Claro - Complete Mold Remediation - St. Louis

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Claro provides complete mold remediation and testing services for St. Louis homes using dry-fog technology to eliminate mold spores throughout the entire home without demolition or downtime.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
Service Area
St. Louis, MO and surrounding areas including Clayton, Ladue, Frontenac, Chesterfield, Creve Coeur, Kirkwood, Webster Groves, Ballwin, Manchester, Wildwood

St Louis Mold Remediation Solutions

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St Louis Mold Remediation Solutions provides professional mold removal and remediation services for residential and commercial properties in the St. Louis area. They specialize in comprehensive mold eradication, water damage restoration, and indoor air quality improvement.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
Service Area
St. Louis, Missouri, 63101

SERVPRO of Affton/Webster Groves

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SERVPRO of Affton/Webster Groves is a 24/7 emergency restoration and cleaning company specializing in water damage, fire damage, mold remediation, and storm cleanup for residential and commercial properties in the St. Louis area.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
IICRC-certified techniciansSERVPRO franchise
Service Area
Affton, MO; Webster Groves, MO; Crestwood, MO; Shrewsbury, MO; Grantwood Village, MO; Lakeshire, MO; Marlborough, MO; Concord, MO; St. Louis County

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

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SERVPRO of St. Louis Central provides 24/7 emergency cleaning, restoration, and construction services for residential and commercial properties affected by water damage, fire, mold, and disasters.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
IICRC-industry certificationSERVPRO franchise (1 of 1,500+ nationwide)
Service Area
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

Midwest Flood Restoration

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Midwest Flood Restoration provides 24/7 water damage restoration services in St. Louis and surrounding areas, handling water extraction, drying, and complete property restoration from flooding, burst pipes, sewage damage, and other water emergencies.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
Service Area
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

AWA Environmental - Saint Louis Mold Inspectors

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AWA Environmental provides expert mold inspections, asbestos testing, and environmental hazard detection services in St. Louis, Missouri. They specialize in identifying indoor air quality issues and environmental contaminants to ensure property safety.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
Certified TechniciansCertified Mold Inspectors
Service Area
St. Louis, Missouri

The Flood Team

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The Flood Team is a water damage restoration company that provides swift water cleanup, drying, flood prevention, and mold remediation services for homes and businesses. They specialize in water extraction, structural drying, and insurance claims assistance.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
IICRC ASD certification (Applied Structural Drying)certified water damage restoration specialists

St. John Environmental Consulting, LLC

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St. John Environmental Consulting provides hazardous materials testing and inspection services for homes, businesses, and commercial structures, specializing in asbestos, lead paint, mold, PCBs, and meth detection.

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)
Service Area
St. Louis City & County, St. Charles, Jefferson County, Illinois, Kansas, Arkansas, Oklahoma, Kentucky, Mississippi

Restoration 1 of Central St. Louis

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Water, fire, and mold damage restoration company providing emergency cleanup, remediation, and reconstruction services in Central St. Louis with 24/7 availability.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
Certified Technicians
Service Area
Central St. Louis

FAST HELP

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Fast Help is a 24/7 disaster recovery specialist in St. Louis providing water damage restoration, fire restoration, and mold remediation services with 60-minute response times.

Crawl Space Encapsulationfoundation_repairStructural / Joist RepairCrawl Space Waterproofing
Licensed & Insured
Service Area
St. Louis, Chesterfield, St. Charles, Florissant, and surrounding counties

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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