Mold remediation
Water damage drying
Fire & smoke cleanup
Storm response
Sewage cleanup
ReconstructionFree visual inspection and a written scope of work before any mitigation begins - photos, moisture readings, and drying logs go in your claim file
The scope we write is the scope we bill. Anything new gets shown to you, in writing, before we touch it.
Get your free estimateFast, Reliable Mold Remediation Across San Antonio
Mold remediation in San Antonio typically runs $1,800 to $6,500 for a standard contained removal, with inspections starting around $300 to $450. Most jobs are fully scoped and quoted in writing before any work begins, and our crews can usually start within 24 to 48 hours. If you’re dealing with visible mold, a musty smell that won’t quit, or water damage that sat too long, call Wendell Restoration San Antonio at (325) 413-9949. We answer live, 24/7, and we’ll give you a straight answer about what you’re looking at before anyone steps foot in your home.
San Antonio’s climate does not mess around when it comes to mold. The hot, humid summers combined with spring and fall flash floods create the kind of conditions where mold colonizes fast. Add in the city’s expansive clay soil and older slab-on-grade housing stock, and you have a recipe for recurring moisture problems that generic mold removal companies often miss. That’s why our Mold Remediation team approaches every job differently here.
Why Wendell Restoration San Antonio Is San Antonio’s Preferred Mold Remediation Company
Homeowners across San Antonio keep our number saved because we do something most restoration companies won’t: we put the price in writing before any work starts and we text you a live arrival time you can actually track. No vague four-hour windows. No price that changes at the door. Our background-checked, uniformed technicians show up when we say they will, and you get before-and-after photos by text so you can see exactly what was done.
Blake Sorensen leads our San Antonio team, and he’s built a reputation for straight answers. We work to IICRC, RIA, and IFA standards, using professional equipment from Dri-Eaz, Phoenix, XPOWER, and Injectidry, the same gear used on large commercial loss sites. Every job includes the 365-Day Done Right Promise in writing: if it’s not done right, we make it right, and if a repair fails within the year, your second visit is free. That’s the Relay Visibility Guarantee, and it’s non-negotiable. We’re part of the Relay Home Co. family, founded in 2006, independently owned and operated here in San Antonio.
Restoration work we handle
Mold Inspection in San Antonio
Mold Inspection in San Antonio typically costs $300 to $450 for a thorough visual assessment with moisture mapping, and it answers the question every homeowner needs answered first: where is the moisture coming from, and how far has the mold actually spread? A proper inspection in this city is not just looking for black spots on drywall. It involves checking slab-on-grade foundations for cracks, testing humidity levels inside wall cavities, and mapping moisture across the entire affected area so remediation targets the source, not just the surface.
Moisture Mapping and Hidden Mold
In San Antonio’s brick veneer and limestone homes, mold often hides behind baseboards and inside wall cavities where you can’t see it. We use thermal imaging and moisture meters to find what the eye can’t. This matters because a visible patch on the wall is usually just the tip of what’s growing behind it.
When a San Antonio Homeowner Needs an Inspection
You need an inspection anytime you smell mustiness you can’t locate, after a slab leak or drain-line break, after flash flooding, or before buying a home with any history of water intrusion. If you’re seeing discoloration on walls or ceilings, especially after a heavy rain, don’t wait. Call (325) 413-9949 and we’ll schedule you fast.
Mold Removal Specialist in San Antonio
A Mold Removal Specialist in San Antonio handles the containment, removal, and antimicrobial treatment of mold-affected materials, with typical full remediation projects running $1,800 to $6,500 depending on square footage and how far the growth has spread. We set up negative air containment so spores don’t migrate to the rest of your home during removal, then physically remove affected drywall, insulation, and flooring. After removal, we treat surfaces with antimicrobial solutions and run HEPA air scrubbers until post-remediation verification shows clean air.
Containment and Pack-Out
Containment is not optional. We seal off the affected area with 6-mil poly, create negative air pressure, and run air scrubbers continuously. We also handle pack-out of salvageable belongings, cleaning and storing them until the job is done. You get photos of everything, so there’s no guesswork about what happened to your stuff.
Post-Remediation Verification
When we’re done, we don’t just tear down the plastic and leave. We run post-remediation air sampling and surface testing to confirm spore counts are back to normal background levels for San Antonio’s environment. The number on the screen is the number you pay, and the guarantee is in writing.
Trusted Brands We Service in San Antonio
We service and deploy professional restoration equipment from Dri-Eaz, Phoenix, XPOWER, B-Air, and Injectidry, not rental-grade gear from a big-box store. For San Antonio homeowners, that means faster drying times and better results on the hot, humid days when moisture lingers. We stock a full inventory of these systems locally, so we don’t wait on parts or equipment ships from out of state. Our techs run these machines daily across San Antonio and know how to position them for slab-on-grade homes, which dry differently than pier-and-beam houses you see more of up north.
See the difference
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After
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AfterCommon Mold Remediation Problems We See in San Antonio Homes
- Slab leaks and cast-iron drain line breaks: Older neighborhoods inside Loop 410, like Jefferson and Monte Vista, still have cast-iron drain lines under the slab. When expansive clay shifts, those lines crack, sewage seeps out, and mold follows within days.
- Foundation cracks reopening after a dry spell: San Antonio’s clay soil expands when wet and contracts when dry. A crack that “sealed itself” during the rainy season reopens in August, and the moisture source returns.
- Post-flash-flood wall cavity mold: On the northwest side near Helotes and along the Balcones Escarpment, limestone-heavy soil causes water to pool against foundations after heavy rain. That trapped moisture wicks into wall cavities and mold blooms weeks later, even without a plumbing leak.
- Brick veneer hiding the problem: San Antonio’s brick veneer exteriors look dry on the outside while trapping moisture against the framing behind them. By the time you see staining, the mold has usually been growing for a while.
Pricing for Mold Remediation in San Antonio, TX
We Also Serve Cities Near San Antonio
Wendell Restoration San Antonio covers the entire metro, including Mold Remediation in San Antonio and nearby communities. We run crews regularly to Helotes, Cibolo, and Bulverde, and our response times to these areas are fast, since dispatch and scheduling coordinate from our San Antonio office. If you’re in one of these cities, call (325) 413-9949 and we’ll get a technician to you.
Serving San Antonio, TX - Our Local Coverage Area
We’re based in the San Antonio area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Mold Remediation in San Antonio
Yes. San Antonio’s expansive clay soil shifts as it gains and loses moisture, which cracks foundations, slab lines, and drain pipes. This means mold remediation here often has to address the moisture source first, stabilizing the soil or repairing the foundation, before treating the mold. In coastal cities like Houston, the driver is usually hurricane flooding. Here, it’s soil movement, and if you skip that step, the mold comes back. Call (325) 413-9949 if you suspect a slab-related mold problem.
Category 3 water is heavily contaminated, which includes floodwater from San Antonio Water Damage Restoration scenarios like flash floods. It carries sewage, bacteria, and chemicals, so any porous material it touches, drywall, carpet, insulation, must be removed and disposed of, not dried and saved. Our crews follow IICRC protocol for category 3 losses, with full containment and antimicrobial treatment. Call (325) 413-9949 as soon as floodwater enters your home, because the remediation protocol is different from a clean-water leak.
Mold can start colonizing within 24 to 48 hours on wet drywall, and in San Antonio’s humid spring and fall, that window can be even shorter. If you have a slab leak, you’re racing the clock. The longer you wait, the more drywall and flooring has to come out. Call (325) 413-9949 the moment you see a warm spot on the floor, a spike in your water bill, or water pooling along a baseboard.
Yes. Homes inside Loop 410, especially those built in the 1950s through 1970s, often still have original cast-iron drain lines under the slab. When those lines crack from shifting clay, sewage and moisture enter the structure, and mold follows. These homes also tend to have less modern ventilation, which traps humidity. If your home is in Jefferson, Beacon Hill, or Alta Vista and you smell mustiness, call (325) 413-9949 for an inspection.
The northwest side sits on limestone-heavy soil along the Balcones Escarpment. After heavy rain, water pools against foundations instead of draining away, and it wicks into wall cavities, where mold blooms weeks later with no obvious plumbing problem. We see this constantly in areas near Helotes and along Bandera Road. If you notice a musty smell after storms, call (325) 413-9949 for moisture mapping before it becomes a full remediation project.
Written by Blake Sorensen, Owner at Wendell Restoration San Antonio, serving San Antonio since 2006.