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 estimateTrusted Mold Remediation for San Jose Homeowners
Mold remediation in San Jose typically costs between $1,500 and $6,000 depending on square footage and whether it’s a localized bathroom issue or a full crawlspace containment. At Wendell Restoration San Jose, we’ve been handling Bay Area mold since 2006, and most residential projects wrap in 2 to 5 days. If you’re seeing black spotting on drywall or a musty smell that won’t quit after this winter’s heavy rain cycles, call (669) 200-0453 and we’ll get a background-checked technician out the same day.
San Jose’s older housing stock, from Willow Glen bungalows to East Foothills ranchers, has a particular vulnerability: decades of additions and stucco retrofits create dead air pockets where Condensation-driven mold thrives. Blake Sorensen, who runs Wendell Restoration San Jose, sends a live arrival time to your phone so you’re never waiting on a four-hour window.
Key Takeaways:
- Written price before any work starts. Always.
- Most San Jose mold jobs finish in under a week.
- 365-Day Done Right Promise in writing on every project.
- Live person answers every call, 24/7.
Mold Removal Service
A Mold Removal Service is the physical extraction of visible mold growth from surfaces like drywall, framing, and tile. Most San Jose homeowners call us after spotting discoloration around a window or a bathroom ceiling stain from a slow roof leak. Wendell Restoration San Jose starts every mold removal service with a written scope and price before any tools come off the truck. Expect $800 to $2,500 for a single-room mold removal service, varying with how far the growth has spread behind the wall cavity.
Containment and Negative Air Setup
We seal off the affected room with 6-mil poly sheeting and run a HEPA-filtered negative air machine so spores don’t drift into your living room or kitchen. This is standard IICRC protocol, not an upsell.
Source Removal vs. Surface Treatment
If mold has penetrated drywall or insulation, those materials come out. Cleaning the surface of moldy drywall is a temporary fix that fails every Bay Area rainy season.
Restoration work we handle
Mold Remediation Services
Mold Remediation Services encompass the full scope: inspection, containment, removal, antimicrobial treatment, and moisture correction that prevents regrowth. You need remediation services, not a surface wipe-down, when mold covers more than 10 square feet or shows up after a sewage backup or slab leak. In San Jose, full mold remediation services run $1,500 to $6,000 for typical single-family homes, with crawlspace jobs on the higher end due to access and ventilation work.
Moisture Mapping Before Remediation
We use penetrating and non-penetrating moisture meters to trace how far water has wicked through wall cavities and subfloor. Removing visible mold without fixing the moisture source just means a callback in six months.
Post-Remediation Clearance Testing
After the work is done, we run air samples to verify spore counts are back to normal background levels for San Jose. You get the results in writing, alongside before-and-after photos of every affected area.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Professional Mold Removal
Professional Mold Removal means certified technicians using containment, HEPA filtration, and IICRC-standard procedures rather than a handyman with bleach and a spray bottle. Bleach kills surface mold but does nothing for roots embedded in porous material, and it adds moisture that feeds the next bloom. Wendell Restoration San Jose performs professional mold removal with Dri-Eaz HEPA scrubbers and antimicrobial treatments, priced from $1,500 to $5,000 depending on the number of rooms and whether structural drying is required.
Why Bleach Fails in San Jose Homes
Our humidity swings from marine layer mornings to 90-degree afternoons create condensation cycles that bleach simply cannot interrupt. A professional-grade biocide, applied after source removal, penetrates porous surfaces and inhibits regrowth for years, not weeks.
HEPA Vacuuming and Air Scrubbers
Every professional mold removal project includes HEPA vacuuming of all surfaces within containment, plus air scrubbers that run continuously during work hours. This captures spores down to 0.3 microns before they can settle back onto surfaces.
Mold Inspection
A Mold Inspection identifies whether mold is present, what species it is, how far it has spread, and what moisture source is feeding it. You should book an inspection when you smell must but can’t see growth, or before buying a San Jose home that shows water staining anywhere. Wendell Restoration San Jose charges $200 to $600 for a mold inspection with a written report, and that fee rolls into the cost of remediation if we do the work.
Visual Assessment and Moisture Meter Readings
Our technician inspects every room, the attic, and the crawlspace if accessible, using moisture meters on walls, ceilings, and floors. We often find mold in San Jose homes where the owner only noticed a faint odor near a baseboard.
Air and Surface Sampling
When needed, we collect air samples and surface swabs that go to an independent lab for species identification. This matters for black mold specifically, and it gives you a paper trail if an insurance adjuster asks for proof.
Mold Removal Specialist
A Mold Removal Specialist is a technician with dedicated training in mold biology, containment protocols, and moisture dynamics, not a general contractor who occasionally handles water damage. Wendell Restoration San Jose deploys mold removal specialists who follow RIA and IFA standards on every job. Specialist-led remediation in San Jose typically runs $2,000 to $5,500, with the higher end covering attics, crawlspaces, and multi-room contamination.
What a Specialist Sees That Others Miss
Our specialists look for hidden mold behind baseboards, under vinyl flooring, and inside wall cavities where a simple visual check shows nothing. In older San Jose homes with lath-and-plaster walls, mold often travels horizontally through the wall system undetected for years.
Continuous Training on New Remediation Methods
Standards change as building materials evolve. Our specialists stay current on IICRC S520 updates and new antimicrobial formulations so you get the current best practice, not what was standard in 2010.
Black Mold Removal
Black Mold Removal, specifically addressing Stachybotrys chartarum, requires full containment and specialized antimicrobial treatment because this species produces mycotoxins that can trigger respiratory issues. In San Jose, black mold most often appears after chronic leaks in crawlspaces, behind water heaters, or under sinks where cabinets hide the damage. Black mold removal from Wendell Restoration San Jose runs $2,000 to $6,000 depending on the surface area and whether structural materials need replacement.
Serious Containment for Black Mold
Black mold removal uses the same containment principles as asbestos abatement: sealed chambers, negative air pressure, and full PPE for our technicians. We don’t cut corners on this, and neither should anyone working in your home.
Health Considerations and Clearance
If anyone in your home has asthma, allergies, or a compromised immune system, do not attempt DIY black mold removal. Our clearance testing after black mold removal verifies the space is safe to reoccupy, with spore counts documented in your file.
Mold Removal Contractor
A Mold Removal Contractor is a licensed, insured company that manages the entire remediation project from containment through rebuild, rather than a single technician doing piecework. As your mold removal contractor, Wendell Restoration San Jose coordinates moisture correction, structural drying, and any necessary repairs so you’re not juggling three different crews. Contractor-managed mold removal in San Jose runs $2,500 to $6,000 or more for whole-home scopes, with a written price before any work starts.
Single Point of Accountability
When one contractor owns the entire scope, there’s no finger-pointing between the drying crew and the remediation crew. We install containment, remove the mold, dry the structure, and handle the rebuild under one written guarantee.
Insurance Claim Coordination
We photograph everything, document moisture readings, and provide the adjuster-ready paperwork many San Jose homeowners need to get a covered claim approved. Blake Sorensen has handled hundreds of local claims and knows what your carrier needs to see.
Bathroom Mold Removal
Bathroom Mold Removal is the most common service call we get in San Jose, usually triggered by failed exhaust fans, leaking shower pans, or grout that hasn’t been sealed in years. We remove bathroom mold from ceilings, walls, and subfloor, then correct the ventilation or plumbing issue that caused it. Expect $800 to $2,500 for a standard bathroom mold removal, with shower pan replacement pushing that higher if the leak has been active for years.
Exhaust Fan Testing and Correction
A bathroom fan that vents into the attic instead of outside is a mold factory in San Jose’s climate. We test airflow with a manometer and correct the vent path so moisture actually leaves the house.
Shower Pan and Grout Evaluation
We check for a failed shower pan liner by doing a flood test, and we inspect grout and caulk joints under magnification. Many bathroom mold problems in San Jose are plumbing failures hiding behind tile, not surface-level cleaning issues.
See the difference
Before
After
Before
After
Before
AfterBrands We Service
Wendell Restoration San Jose deploys Dri-Eaz dehumidifiers and HEPA air scrubbers on every mold remediation project because they’re the same units used on large commercial loss sites across the country. Our technicians train on Dri-Eaz equipment calibration and maintenance, so you’re not getting a rental unit with unknown service history.
We also work to IICRC, RIA, and IFA standards, which means the protocols we follow for containment, air filtration, and antimicrobial application are the industry’s recognized benchmarks. Whether your home has Dri-Eaz equipment on site from a previous water loss or you simply want remediation done to current certification standards, we can help.
Signs You Need a Pro Right Now
- Musty smell that gets stronger at night. Mold releases volatile organic compounds that are often detectable before visible growth appears. In San Jose’s older homes, this smell frequently traces back to a crawlspace or wall cavity you can’t see into.
- Black or green spotting on walls, ceilings, or baseboards. This is active mold growth, not just water staining. It will keep spreading as long as the moisture source remains, and it can double in area within 24 to 48 hours.
- Recent water damage that wasn’t dried with professional equipment. Fans and open windows don’t dry wall cavities. Mold can establish in 24 to 72 hours after a leak, which is why we recommend psychrometric drying (tracking the air’s moisture level so we know when your home is truly dry, not just surface-dry) after any water event.
- Allergy symptoms that ease when you leave the house. If you’re sneezing, coughing, or getting headaches only at home, mold spores are a likely culprit. The San Jose rental market sees this constantly in units with deferred maintenance around windows and bathroom fixtures.
- Discolored grout, caulk, or peeling paint in bathrooms or kitchens. These are signs of chronic moisture. Once paint peels from humidity, mold is usually already behind it in the drywall paper.
Our Process, Step by Step
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Call and get a live person. You’ll reach a real human at (669) 200-0453, not a voicemail or callback queue. We’ll ask a few questions about what you’re seeing and set a same-day or next-day visit with a live arrival time.
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Inspection and written scope. Our technician arrives at the scheduled time, walks the affected areas, and documents everything with photos and moisture meter readings. You get a written price and scope of work before any tools come off the truck.
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Containment and source removal. We seal the work area with poly sheeting, run HEPA-filtered negative air machines, and remove all mold-damaged materials. The price on your screen is the price you pay. No change orders unless hidden damage requires an addendum you approve in advance.
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Antimicrobial treatment and drying. We apply professional-grade antimicrobial products to all remaining surfaces, then run Dri-Eaz drying equipment until moisture readings show the structure is truly dry, not just surface-dry.
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Verification and photo documentation. Before we break containment, we document every step with before-and-after photos sent to your phone by text. You get a written guarantee under the 365-Day Done Right Promise, and your digital invoice is texted so you can pay from the link.
How Much Does Mold Remediation Cost in San Jose?
A typical bathroom mold removal in San Jose runs $800 to $2,500, while whole-home or crawlspace remediation ranges from $3,000 to $6,000 or more. Attic mold from roof leaks or inadequate ventilation usually lands between $1,500 and $4,000 depending on square footage and whether we can access the space standing up or have to work on our knees.
What affects the price: the square footage of affected surfaces, whether structural materials need replacement, how deeply moisture has wicked through insulation and framing, and whether we’re working in a cramped crawlspace versus a full-height attic. Homes in the Rose Garden or Naglee Park neighborhoods often have foundation configurations that make crawlspace access more involved than newer builds in Evergreen or Berryessa.
To avoid overpaying, get a written scope that itemizes what’s being removed, what’s being treated, and what’s being rebuilt. Wendell Restoration San Jose includes a free written estimate with every visit, and the 365-Day Done Right Promise states in writing that if it’s not done right, we make it right. You also get a free second visit if the repair fails.
If you’re comparing mold remediation quotes in San Jose, make sure every bid includes containment, HEPA filtration, antimicrobial treatment, and moisture correction. A quote that’s suspiciously low is usually skipping one of those four steps.
Our Service Area Near San Jose
Wendell Restoration San Jose serves the entire South Bay, including Mountain View, Milpitas, Morgan Hill, Saratoga, Los Altos, and Newark. We typically reach homes in Sunnyvale, Santa Clara, and Campbell within 30 to 60 minutes of your call, with Union City and North Fair Oaks running slightly longer depending on traffic. If you’re near East Foothills or the Almaden Valley, we can often arrive within the hour. For mold remediation in nearby Redwood City or Mold Remediation in Burbank, our sister locations carry the same Relay Visibility Guarantee.
Serving San Jose, CA - Our Local Coverage Area
We’re based in the San Jose area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions About Mold Remediation in San Jose
Mold remediation is the complete process of removing mold, treating affected surfaces, and correcting the moisture problem that caused it. Unlike a simple cleaning, remediation includes containment, HEPA air filtration, and material removal when growth has penetrated beyond the surface.
Most residential mold remediation in San Jose takes 2 to 5 days from start to finish. Smaller bathroom jobs can wrap in a single day, while crawlspace or multi-room projects may run up to 2 weeks if structural drying and rebuild work are included.
Mold remediation in San Jose typically costs between $1,500 and $6,000 for whole-home scopes, with single-room jobs like bathroom mold removal starting around $800. Every project gets a written price before any work begins, so you’ll never see a surprise charge on the final invoice. Call (669) 200-0453 for a free estimate with exact numbers for your situation.
Yes. We document everything with photos, moisture readings, and itemized scopes that adjusters accept, and we coordinate directly with your insurance company. If your mold is the result of a covered water loss, we’ll help you file the claim properly the first time.
Yes, a live person answers our phones 24/7, 365 days a year. If you’ve had a water leak that’s actively spreading mold, we can dispatch a technician the same day to start containment and stop the damage from getting worse.
Our 365-Day Done Right Promise states in writing that if the mold remediation isn’t done right, we make it right at no additional cost. You also get a free second visit if the treated area shows signs of regrowth within the warranty period.
Clear the affected area of personal items, pets, and anything valuable. We’ll handle everything else from containment to cleanup. If you have family members with respiratory sensitivities, plan for them to stay elsewhere during the active removal phase, usually 1 to 2 days.
Schedule Your Mold Remediation Service in San Jose Today
Mold won’t wait, and neither should you. Call Wendell Restoration San Jose at (669) 200-0453 and speak to a live person who’ll get a technician dispatched to your home with a live arrival time you can track. You’ll get a written price before any work starts, before-and-after photos by text, and the 365-Day Done Right Promise in writing. Estimates are free, and the call takes five minutes.
Written by Blake Sorensen, Owner at Wendell Restoration San Jose, serving San Jose since 2006.