Locally Owned | Honest Service | Quality Work
Water problems can cause serious damage to your foundation, flooring, and air quality, leaving your property vulnerable and unsafe. Firm Foundation Repair provides dependable waterproofing service in Joplin, MO, and the surrounding areas to help protect homes and businesses. Our local team shows up fast, explains every issue clearly, and delivers long-lasting solutions you can trust.
We specialize in basement waterproofing, dehumidifier installation, crawl space repair, crawl space encapsulation, crawl space insulation, crawl space waterproofing, and more. Every service is designed to help keep your property dry, strong, and structurally sound. With financing options and a five-year workmanship warranty, we also make it easy for you to get the protection you need without stress.
Want to know what it’s like to work with us? As of November 2025, we’re proud to hold a 5-star rating on our Google Business Profile based on over 50 reviews! Feel free to browse our feedback and see why property owners across the Four States trust Firm Foundation Repair.
We help keep your basement dry with proven basement waterproofing methods that include membrane installation, exterior trenching, and interior water mitigation. Our waterproofing service protects your foundation from leaks, prevents moisture buildup, and helps you maintain a clean, healthy living space year-round.
Our dehumidifier installation service provides reliable protection against excess moisture by using systems that function as effective mold mitigation devices. We can install any brand of dehumidifier, helping you control humidity levels and improve the overall air quality.
At Firm Foundation Repair, we restore damaged crawl spaces by repairing ductwork, sealing vents, and removing debris. Our crawl space repair team reinforces joists and beams to stabilize sagging floors and keep your property strong from the ground up.
We seal your crawl space tight with complete crawl space encapsulation that includes vapor barriers, sump pumps, insulation, and French drains. This service helps keep moisture out, boosts efficiency, and adds lasting protection to your home’s foundation.
Proper crawl space insulation makes your property more comfortable throughout every season. Our waterproofing company installs high-quality insulation that reduces energy costs, prevents condensation, and safeguards your investment from moisture damage.
Our team designs crawl space waterproofing systems that help stop moisture before it causes trouble. We install drains, vapor barriers, and sump pumps that protect your property from mold, wood rot, and foundation damage with dependable moisture control.
We create healthier crawl spaces with professional crawl space dehumidification services that remove lingering airborne moisture. By combining vapor barriers, drains, and dehumidifiers, we help preserve your foundation, lower energy costs, and keep the air dry and fresh.
Our technicians install dependable sump pumps to keep crawl spaces and basements dry during heavy rain. Each sump pump installation is completed with care to ensure your waterproofing system works efficiently when you need it most.
We specialize in French drain installation, designing and installing effective drainage systems that redirect water away from your property and yard. Our waterproofing company provides low-maintenance solutions that help protect foundations, prevent soil erosion, and maintain your property’s appearance.
At Firm Foundation Repair, we fix structural issues with expert foundation repair that includes leveling, crack repair, and push pier installation. Our waterproofing service strengthens your foundation, stabilizes your home, and helps prevent future water-related damage.
Our team handles full foundation replacement with precision, including footing re-pours and crawl space wall rebuilds. We use proven methods to restore lasting stability and protect your home from moisture and settling problems.
We replace water-damaged subfloors to restore strength and comfort throughout your property. Our subfloor repair and replacement service ensures your floors stay solid, smooth, and free from the effects of moisture.
Firm Foundation Repair specializes in mobile and modular home foundation repair throughout the Four States. We stabilize settling piers, secure tie-downs, and repair sagging floors to keep your home safe, secure, and level.
We lift uneven concrete with fast, clean concrete leveling and lifting services that use durable polyurethane foam. Our waterproofing company smooths out driveways, sidewalks, and patios so they look better and last longer.
At Firm Foundation Repair, we help you protect your property with comprehensive waterproofing and repair services that stop moisture before it spreads. Our basement waterproofing service includes membrane installation, exterior trenching, and interior water mitigation that directs water away from your foundation. These methods help prevent damage, reduce humidity, and keep your basement dry year-round.
We also offer professional dehumidifier installation using advanced mold mitigation devices. This service improves air quality and helps eliminate musty odors, giving you a cleaner, healthier living environment. By controlling airborne moisture, we also help protect your foundation and crawl space from future problems.
Our crawl space repair service restores the strength and stability of your property from the ground up. We handle ductwork repair, debris removal, and vent sealing while reinforcing damaged beams, joists, and supports. These repairs stop sagging floors, stabilize the structure, and provide long-term protection against moisture and decay.
When problems can’t wait, we respond quickly, any time of day, to protect your property from further damage.
With a Concrete Raising Certification and a Licensed Push Pier Installer credential, our work meets the highest professional standards.
We stay connected to the Four States by supporting the Teach A Man To Fish Foundation and helping local youth groups fund mission trips.
You can take care of repairs now and pay over time with flexible plans through Hearth Financing.
Our team offers no-cost inspections and straightforward estimates so you can make informed decisions with confidence.
We back every project with a five-year workmanship warranty to guarantee lasting quality and peace of mind.
Waterproofing helps reduce the moisture that encourages mold and mildew growth. A professional waterproofing service keeps basements and crawl spaces dry, helping the air in your home stay cleaner and healthier.
Basement waterproofing directs water away from your home through membrane systems, trenching, and interior drainage. A trusted waterproofing service helps prevent cracks, leaks, and costly foundation problems caused by constant water pressure.
Musty odors, damp walls, peeling paint, mold growth, and standing water are warning signs. These issues signal that your home could benefit from a professional waterproofing service before the damage worsens.
Interior waterproofing manages water that has entered a property using sump pumps and vapor barriers, while exterior waterproofing helps prevent water from reaching the foundation. Both methods are essential parts of effective waterproofing services.
Heavy rain, clay soil, and seasonal humidity make this region prone to water intrusion. Waterproofing protects your foundation, helps prevent structural damage, and keeps your home safer and drier throughout the year.
Contact our team today to schedule your complimentary inspection and discover why homeowners and businesses across the Four States trust us for dependable waterproofing services.
Business Name: Firm Foundation Repair
Address: Joplin, MO 64804
Phone: 417-540-7034
Business Hours:
Mon - Sun: 05:00 AM to 08:00 PM
24/7 Emergency Services Available
Members of the NFRA (National Foundation Repair Association)
Sponsor Teach A Man To Fish Foundation
Partner with Youth Groups to send kids on mission trips
Donate to St. Jude and Living Water Foundation around the world
Hearth Financing
5 Year Workmanship Warranty
