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
Our Mold Remediation in San Jose is the careful removal of active mold growth from your home, followed by correcting the moisture problem that allowed it to start, so it doesn’t come back a month later. We’re Dryden Restoration San Jose, an independently owned and operated Kingswell company serving homeowners here since 2005, and we’ve walked through thousands of damp garages, crawl spaces, and bathroom ceilings in Willow Glen, Almaden Valley, and East San Jose. Nearly every call we take starts the same way: a homeowner spotted something, wiped it, and watched it reappear. If that sounds like your week, call (669) 770-7417 now and a real person will pick up.
Mold Removal Service
Mold Removal Service is the physical extraction of mold colonies from surfaces like drywall, framing, and shower surrounds, and it’s the step homeowners need when growth has already taken hold, not just when spores are suspected. At Dryden Restoration San Jose, we combine HEPA-filtered negative air machines, antifungal agents, and controlled demolition of saturated materials to remove the mold you can see plus the spores you can’t. Most San Jose bathroom and closet mold removal jobs run $400 to $1,600 depending on the square footage affected, while whole room remediations with containment typically land between $1,500 and $5,000. Every job gets a written price before we touch a single tool.
Surface-Level Removal
This handles mold growing on non-porous surfaces like tile, glass, and finished wood trim. We clean, sand, HEPA-vacuum, and apply antimicrobial treatment. The integrity of the surface stays intact, and this type of work usually completes the same day.
Controlled Demolition
When mold has penetrated drywall, insulation, or carpet backing, the material has to come out. We tent the work area with plastic sheeting, run negative air, and bag contaminated waste on site. The goal is a clean cavity ready for rebuilding, not a partial wipe-down that regrows in spring.
Restoration work we handle






Mold Remediation Services
Mold Remediation Services cover the full arc from investigation to clearance, and at Dryden Restoration San Jose they always start with finding the water source before any mold is touched. Check our Mold Remediation cost guide for typical pricing. We offer moisture mapping with thermal imaging and RH meters, contain the affected area, remove or treat contaminated materials, sanitize surfaces, and run an independent post-remediation verification. In San Jose’s older neighborhoods like Rose Garden and Naglee Park, years of slow plumbing leaks often hide behind lath-and-plaster walls, so exploratory access is part of the budget conversation. Remediation for a single closet runs $500 to $1,800; a full crawl space or attic project ranges $3,000 to $9,000.
Containment and Pressure Management
Our crews set up sealed containment zones and run HEPA-filtered air scrubbers to create negative air pressure. This keeps spores from drifting into your living room during demolition. Clean air, directed flow, sealed thresholds: that’s the standard on every mold job we take in San Jose.

Post-Remediation Clearance
After the work, we test air and surface samples to confirm spore counts have returned to an acceptable indoor range. If a third-party industrial hygienist is involved, we coordinate with them directly. Your family should breathe easy in every room, not just the one we worked in.

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 hiring someone with the training and equipment to remove mold without spreading it through the rest of the house, and without leaving enough behind to regrow. Dryden Restoration San Jose technicians are background-checked, uniformed, and trained to IICRC, RIA, and IFA standards for mold remediation and water damage restoration. A badly done DIY bleach-and-sponge job often turns a $600 fix into a $4,000 reconstruction, which is why we bring commercial grade dehumidifiers, air scrubbers, and EPA-registered antimicrobials to every job. We also photograph everything before, during, and after, so if you file an insurance claim you have a complete record.
Equipment That Actually Removes Spores
Our trucks carry Dri-Eaz and Phoenix air movers and dehumidifiers, plus HEPA vacuums that capture particles down to 0.3 microns. These aren’t rental depot units; they’re maintained, calibrated, and ready to run 24 hours straight if a job calls for it.
Spore Containment Strategy
The difference between professional mold removal and a handyman with a spray bottle is containment. We seal doorways, run exhaust to the exterior, and clean the air while we work. In San Jose homes with open floor plans, this step alone prevents cross-contamination into kitchens and bedrooms.
Mold Inspection
Mold Inspection & Testing is a structured search for both visible and hidden mold, plus the moisture that feeds it, using tools like thermal imaging cameras, moisture meters, and air sampling where the situation calls for it. You should schedule one if you smell a musty odor that moves from room to room, have had a leak or flooding in the last two years, or see staining that keeps returning after cleaning. A Dryden Restoration San Jose mold inspection in most single-family homes runs $150 to $450, and it includes a written report with our findings, photos, and a recommended scope of work. If you hire us for remediation, the inspection fee rolls into the project.
Thermal and Moisture Mapping
We scan walls, ceilings, and floors with an infrared camera to spot temperature differences that signal trapped moisture. Then we confirm with pin-type moisture meters. The combination finds leaks behind finished surfaces without tearing open perfectly good drywall.
Assessment and Written Report
You receive a room-by-room summary of what we found, where moisture is active, and what we recommend. No scare tactics, no inflated scope. Just a clear picture of what’s happening in your house and what it will take to fix it.
Mold Removal Specialist
A Mold Removal Specialist is someone who does this work every day, not as a side job between handyman gigs, and at Dryden Restoration San Jose, every technician on a mold project has been trained in IICRC, RIA, and IFA-aligned remediation practices. Our specialists know which materials can be saved and which have to go, how to run proper containment, and how to dry a structure so mold doesn’t return in six weeks. San Jose’s temperature swings and coastal fog cycles mean wood framing holds moisture longer than homeowners expect, and our psychrometric drying experience, that’s the science of tracking how materials release water into the air, matters more here than in drier inland cities. Specialist-led remediation for a standard bathroom or laundry area typically costs $800 to $2,500.
Saving What Can Be Saved
Not every stain means demolition. Our specialists evaluate the material, the moisture content, and the duration of exposure. Solid wood studs, joists, and trim can often be cleaned and dried. Drywall and fiberglass insulation almost always go.
Drying Science Applied Daily
We measure RH in the room and grain moisture in the framing, then set equipment to create the fastest safe drying path. That’s the difference between restoration and just cleaning. It’s also why we include drying targets in our written work plans, not vague promises.
Black Mold Removal
Black Mold Removal addresses the dark, high-toxicity growth most commonly associated with Stachybotrys chartarum, and at Dryden Restoration San Jose, we treat every black mold job with full containment, full PPE for our technicians, and laboratory confirmation of the specific mold type. This is not a job for a bucket of bleach, and while not all black-colored mold is Stachybotrys, the safe approach is the same: isolate, remove, dry, verify. In San Jose, black mold most often shows up in bathrooms with failed vent fans, under kitchen sinks with slow leaks, and in garages where humidity sits above 60% through the winter months. Remediation costs for black mold typically run $1,200 to $5,000 depending on the extent of the affected area.
Identification First, Treatment Second
We collect surface or air samples and send them to an independent lab for species identification. This confirms whether you’re dealing with a common household mold or a toxigenic variety. The treatment protocol adjusts accordingly, and the lab report becomes part of your file.
Safety Protocols for High-Risk Growth
Our crews wear full-face respirators, Tyvek suits, and gloves when handling black mold. Containment is sealed and HEPA-filtered. We take no shortcuts here, because the alternative is releasing spores into a home where kids sleep and pets walk.
Mold Removal Contractor
A Mold Removal Contractor is the licensed professional you hire to physically remove mold and repair the damage it caused, and choosing the right one in San Jose comes down to whether they put their promises in writing. Dryden Restoration San Jose operates under the Kingswell Guarantee: a written price before any work begins, a committed arrival window, a clean job site, and a 365-Day Done Right Promise that says if any covered repair fails within a year, we come back and fix it at no charge. Since 2005, homeowners in San Jose, Santa Clara, and Fremont have hired us for mold removal and stayed with us for water damage and fire damage work too. A contractor-managed mold removal project typically runs $1,500 to $7,500 based on scope.
The Kingswell Guarantee Explained
Say the price before the work. Show up in the window we gave you. Leave the place cleaner than we found it. Put the guarantee in writing. Come back if it fails. Those are the five commitments on every job we take, and they’re printed on every estimate and contract.
Coordinating With Your Insurance
We photograph everything and document the condition of each affected material. If you’re filing a claim, we work directly with your adjuster and provide the documentation they need. Homeowners tell us this step alone took hours of stress off their plate.
Bathroom Mold Removal
Bathroom Mold Removal is the most common mold job we do in San Jose, and it usually starts with a homeowner noticing black spots on the ceiling above the shower or pink and black growth along tile grout lines and caulk. Bathrooms fail because ventilation can’t keep up: a 15-minute hot shower releases roughly a pint of moisture into the air, and in older San Jose homes with undersized exhaust fans, that moisture settles on cold surfaces and feeds mold within days. Our bathroom mold removal jobs in San Jose typically run $350 to $1,400 for typical showers and ceilings. That includes removing affected grout or drywall, treating the framing behind it, and providing a written drying and ventilation plan.
Shower and Tile Surfaces
Grout is porous and holds moisture longer than the tile around it. We remove and replace contaminated grout or caulk, treat the surface with EPA-registered antimicrobial, and seal it. The shower is usable again within 24 hours on most jobs.
Ventilation and Long-Term Prevention
We measure your bathroom exhaust fan’s actual airflow with an anemometer and compare it to what the room needs. If the fan is pulling 30 CFM in a 90-square-foot bathroom, mold will return no matter how thorough the cleanup. We’ll tell you exactly what needs to change and why.
See the difference
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After
Before
After
Before
AfterBrands We Service
Our San Jose mold remediation crews are trained on IICRC, RIA, and IFA standards, and we run equipment from the brands homeowners might see on big commercial jobs: Dri-Eaz, Phoenix, XPOWER, B-Air, and Injectidry systems. That matters because these machines are built for continuous operation over days of active drying, not the occasional weekend project.
We stock Dri-Eaz dehumidifiers and Phoenix air movers on our trucks, calibrated and serviced regularly, so a job doesn’t stall while equipment gets shipped in. Whether you need targeted drying after a pipe leak or full structure drying after a water heater floods a hallway, our team can get it done with tools built for this kind of work, not whatever’s left at the rental counter. We’ve also spent years learning the quirks of San Jose’s housing stock, from 1950s ranch-style homes in West San Jose to newer construction in Evergreen and Berryessa. Experience with the house matters as much as the brand of the machine.
Signs You Need a Pro Right Now
- You smell something musty but can’t see anything. Hidden mold behind walls or under flooring produces noticeable odor long before visible staining shows. If the smell sharpens in humid weather or after rain, you likely have moisture intrusion that needs professional tracing.
- Staining returns within weeks of cleaning. Surface mold that reappears after a wipe-down means the moisture source is still active. Bleach doesn’t kill mold roots in porous materials. The cycle will repeat until the water problem is solved.
- You’ve had a leak or flood in the past two years. Mold can take months to become visible after water damage, especially inside wall cavities or under flooring. If a pipe burst, a roof leaked, or an appliance flooded and the area wasn’t professionally dried, mold may be developing now.
- A family member’s allergies or asthma worsen at home. Elevated indoor mold spore counts affect people differently, but persistent respiratory symptoms, headaches, or skin irritation that improve away from the house are common indicators of indoor mold.
- You see water stains on ceilings or walls. Discoloration, bubbling paint, or warped drywall means moisture has already migrated. Where there’s water, mold is usually close behind. We’d rather inspect now than remediate in three months.
Our Process, Step by Step
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Assessment and Written Estimate. We inspect the affected area, take moisture readings, and determine the scope. You receive a written price before we touch a tool. The number on that paper is the number you pay.
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Containment Setup. We seal the work area with plastic sheeting and run HEPA-filtered negative air machines. This creates a pressure differential that keeps mold spores from spreading into the rest of your home while we work.
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Removal and Treatment. Contaminated materials are removed and bagged on site. Salvageable surfaces are cleaned, treated with EPA-registered antimicrobials, and HEPA-vacuumed to capture spores.
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Drying and Moisture Verification. We place dehumidifiers and air movers, then track moisture content daily until materials meet drying targets. We verify with moisture meters, not guesswork. The customer sees the numbers on our daily logs.
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Clearance and 365-Day Done Right Promise. Final air samples or visual verification confirms the job worked. You receive our written promise: if a covered repair fails within 365 days, we return and correct it at no additional cost.
How Much Does Mold Remediation Cost in San Jose?
A typical bathroom mold removal in San Jose runs $400 to $1,600. A full-room remediation with containment, demolition, drying, and clearance lands between $1,500 and $5,000. Crawl space or attic jobs that require weeks of drying equipment range from $3,000 to $9,000. What drives the price: square footage of affected material, whether structural components like joists or subfloor need replacement, whether containment and negative air are required, and whether lab testing is part of the scope. Homes in hilly neighborhoods like the East Foothills or Almaden often have more complex crawl space conditions that add hours to a job, and older San Jose homes with lath-and-plaster walls cost more to access and rebuild than drywall construction.
How to avoid overpaying: get a written estimate that breaks down labor, equipment, disposal, and testing separately. Ask what the guarantee covers and for how long. Be suspicious of any contractor who gives a price over the phone without seeing the space, or who can’t explain what the job will include. A free estimate from Dryden Restoration San Jose includes room-by-room findings, a written total, and a plain-English explanation of why each step matters. It’s your job to compare. It’s our job to make the comparison easy.
Our Service Area Near San Jose
Dryden Restoration San Jose works across the South Bay, including Santa Clara, Fremont, Sunnyvale, Palo Alto, Woodside, Cupertino, Campbell, Menlo Park, Los Gatos, East Palo Alto, and Scotts Valley. Most San Jose appointments are scheduled within 24 to 48 hours, and mold inspections can often be arranged same-day for active moisture emergencies. If you’re in a neighboring community, we coordinate arrival windows around traffic patterns on 101, 280, and 880 so your time isn’t wasted. For a closer look at work we do in nearby cities, see our pages on Mold Remediation in Santa Clara and Mold Remediation in Fremont. We also handle home restoration projects including water and fire damage across the region.
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 process of removing active mold growth and correcting the water source that allowed it to thrive, followed by drying and verification so the problem doesn’t return. It’s more involved than basic cleaning because it addresses the cause, not just the stain. In San Jose homes, remediation often reveals slow plumbing leaks or inadequate ventilation that have been active for months.
Most bathroom and single-room mold remediation jobs in San Jose are completed in one to three days, including containment, removal, treatment, and initial drying. Larger projects involving crawl spaces, multiple rooms, or structural rebuilding can take one to three weeks. Drying time depends on the material and the moisture level, and we track it daily with moisture meters until targets are met.
Typical costs range from $400 to $1,600 for bathroom mold removal, $1,500 to $5,000 for a contained room remediation, and $3,000 to $9,000 for crawl space or attic projects. The final price depends on square footage, the type of materials affected, and whether lab testing or structural repair is required. Every estimate from Dryden Restoration San Jose is written and itemized before work begins.
Yes, we document every job with photos, moisture readings, and itemized scopes, and we coordinate directly with your insurance adjuster. The documentation we provide is built for claim review. Many San Jose homeowners find their mold remediation costs covered or partially covered when the mold resulted from a covered water event.
We answer the phone live 24 hours a day, 7 days a week, at (669) 770-7417, and we schedule mold assessments as quickly as possible, often the same day or next day for active water leaks with visible mold. If you’ve discovered mold behind a failed pipe or after a roof leak, call us and describe what you’re seeing. We’ll tell you what to do to limit exposure until we arrive.
Every mold remediation job we do in San Jose is backed by our 365-Day Done Right Promise, provided in writing. If a covered repair fails within a full year, we return and correct it at no charge. This is a documented commitment, not a verbal assurance, and it’s printed on every contract we issue.
Clear personal items from the affected area, secure pets in another room or outside the home during the work, and note any health concerns your family has so we can plan containment accordingly. If you have access to the water shut-off or electrical panel, know where they are. We’ll handle the rest, including protecting your floors and furniture during the setup.
Schedule Your Mold Remediation Service in San Jose Today
If you’re seeing mold, smelling mold, or just want a straight answer about what’s happening in your walls, call Dryden Restoration San Jose at (669) 770-7417. A real person answers, day or night. We’ll schedule a free estimate, give you a written price before any work starts, and stand behind it with our 365-Day Done Right Promise. The sooner we look, the less there is to fix.
Written by Carl Brandt, Owner at Dryden Restoration San Jose, serving San Jose and the South Bay since 2005.