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 Jose
Mold in a San Jose home rarely announces itself. It starts as a musty smell near a baseboard in Willow Glen, a darker patch under a Berryessa bathroom vanity, or condensation streaks on a Rose Garden window frame after a wet winter. By the time you see it, the problem has usually been growing for weeks. Dryden Restoration San Jose handles mold remediation throughout San Jose, CA, from containment and removal to structural drying and air quality restoration. Call (669) 770-7417 any hour, any day. A live person answers.
Why Dryden Restoration San Jose Is San Jose’s Preferred Mold Remediation Company
We’ve worked in enough San Jose homes to know the city’s mold problems don’t look like mold problems in other Bay Area cities. A 1950s Rose Garden ranch on a slab foundation hides moisture differently than a 2005 Evergreen two-story with high ceilings and complex HVAC runs. Our Mold Remediation team carries moisture meters, thermal imaging, and commercial drying equipment into every job, not just a spray bottle and a rag. We follow IICRC, RIA, and IFA standards, and our techs are background-checked and uniformed. You’ll know exactly who is walking through your door.
We serve San Jose homeowners directly from our Bay Area dispatch. When you call, you’ll get a written price before any work starts. No changes at the door. Every job includes the 365-Day Done Right Promise in writing: if a covered repair fails within a year, we return and correct it at no charge. That’s the Kingswell way, and it’s kept us busy in San Jose since 2005.
Restoration work we handle
Mold Removal Service in San Jose
Mold Removal Service in San Jose is the direct physical removal of colonized material. In a San Jose home, that usually means cutting out moldy drywall, pulling saturated insulation from a crawl space, or disposing of water-damaged baseboard and flooring. It can also include HEPA vacuuming and antimicrobial treatment on exposed framing. A small isolated removal, like a 3-by-3 foot patch behind a bathroom vanity, typically costs $450 to $900. A larger removal involving multiple rooms or contaminated carpet and padding runs $1,500 to $4,000 or more depending on square footage and containment needs.
San Jose-Specific Removal Challenges
Older San Jose homes built on slab foundations have a particular problem: water travels horizontally under the slab and wicks up through baseplates and drywall. We often find mold behind baseboards that were painted over without ever addressing the moisture source. You can’t solve that with a bleach wipe.
The Written Scope Difference
Before any drywall comes out, you’ll have a written scope of work with a dollar figure attached. We don’t start until you’ve read it and approved it. That’s how we protect San Jose homeowners from the slow-motion price creep this trade is known for.
Mold Remediation Services in San Jose
Mold Remediation Services in San Jose are broader than removal. Remediation is the full process: finding the moisture source, containing the affected area, removing moldy material, drying the structure, treating surfaces, and restoring the space to pre-loss condition. In San Jose, where winter rain events can cause hidden leaks, remediation usually includes moisture mapping to find what’s wet behind walls and under floors. Expect costs to range from $1,200 for a small contained area to $8,000+ for a whole-room job with structural drying and rebuild.
Moisture Mapping on Slab Foundations
Most San Jose homes built between 1950 and 1980 sit on concrete slabs. Water moving under a slab can elevate moisture readings 10 or 14 feet from the original leak. We use moisture meters and thermal imaging to map that spread before we write a scope. Skipping that step is how mold “comes back” three months after a cheap job.
Containment and Air Quality
During any Mold Remediation, we run negative air containment. That keeps airborne spores from drifting into your living room or your kids’ bedrooms. We also check relative humidity and run Dri-Eaz or Phoenix dehumidifiers until the structure reads dry, not just until the surfaces feel dry.
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.
Trusted Brands We Service in San Jose
Our crews use Dri-Eaz dehumidifiers and air movers, along with Phoenix drying systems, on most San Jose jobs. These are the same machines large commercial restoration firms run, and we carry the parts and filters needed to get them working fast. We also maintain Injectidry injection drying systems for hardwood floors and behind cabinets where conventional air movement can’t reach. When you call Dryden, you’re getting equipment that’s designed for restoration, not the rental-grade fans sitting in a hardware store aisle.
Common Mold Remediation Problems We See in San Jose Homes
- Berryessa pinhole copper leaks: Many Berryessa homes built in the 1970s have copper supply lines with low-alkalinity water chemistry that eats pinholes over time. The leak can weep behind drywall for weeks before mold shows up on the visible surface.
- 1950s slab foundation moisture: Older San Jose tract homes with slab foundations hide water under the slab and behind baseboards. Paint covers the stain, but the mold is still feeding on wet drywall behind it.
- Wildfire HVAC contamination: After a summer wildfire smoke event in San Jose, mold and soot particles settle inside duct runs in newer open-plan homes. The HVAC spreads mold spores through every room until the ducts are cleaned and fogged.
- Category 3 water in older drain lines: Willow Glen’s older cast-iron sewer lines can back up during winter storms. Treating that contaminated water as a simple clean-water leak leaves dangerous drywall in place and mold grows back within weeks.
See the difference
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AfterPricing for Mold Remediation in San Jose, CA
Here are real numbers for San Jose, not vague estimates from a national call center. Mold inspection and testing in San Jose runs $300 to $650 depending on the number of air samples and surface swabs. Crawl space mold treatment typically runs $1,200 to $3,500. HVAC duct cleaning and antimicrobial fogging after mold or wildfire smoke costs $400 to $1,200. A small bathroom patch removal with containment is $450 to $900. Full-room remediation with structural drying and rebuild ranges from $1,500 to $8,000+. The variables are square footage, the depth of moisture penetration, and whether the HVAC needs cleaning. Call (669) 770-7417 for a free estimate with a written scope, not a verbal ballpark.
We Also Serve Cities Near San Jose
Our San Jose crews regularly work in Santa Clara, Sunnyvale, Campbell, and Cupertino. If your home is a few exits off 280 or 101, we can usually schedule a San Jose-based team for same-week service. That local coverage gives you faster response than a crew driving down from the North Bay.
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.
FAQs About Mold Remediation in San Jose
Mold can germinate on wet drywall within 24 to 48 hours when indoor temperatures stay above 60°F. San Jose winter temperatures usually hold there, so a roof leak or window failure that soaks drywall during a December storm can show visible mold growth within two days. Call us at (669) 770-7417 as soon as you notice water, or reach out through our San Jose Water Damage Restoration page to request help. Drying fast is cheaper than removing moldy drywall later.
For a patch smaller than about 10 square feet with no confirmed moisture spread behind walls, mold removal alone may be enough. But if you live in Berryessa and your home has original 1970s copper supply lines, we’d recommend moisture mapping before we commit to that. Pinhole leaks in Berryessa copper often send water much farther than the visible patch suggests. A free assessment will tell you which one you need.
In many cases, yes. We cut only what is wet or colonized, contain the area, and dry the structure. San Jose’s 1950s tract homes often have drywall that can be saved if caught early. But if moisture has been present for weeks behind slab foundation baseplates, that section will need to come out regardless of how the surface looks. We’ll show you the moisture readings before we cut.
No. Wildfire smoke leaves fine particulate and moisture inside duct runs, and that can feed mold growth inside your HVAC. In newer San Jose homes with open floor plans and high ceilings, mold spores recirculate through the entire system. You need duct cleaning and antimicrobial fogging alongside any mold work. We do both.
Category 1 is clean water from a supply line or rainwater. Category 2 is contaminated water from a dishwasher, washing machine, or foundation seepage that carries bacteria. In San Jose slab homes, Category 2 water sitting under flooring or behind baseboards creates a much higher mold and health risk. Call us at (669) 770-7417 and we’ll identify the category, document it, and write a scope based on what we find, not what’s cheapest to remove.
It’s written. If mold returns within one year after our remediation and the cause traces back to a covered repair we performed, we return and correct it at no additional cost. No re-dispatch fees, no “that’s not covered” conversation. Carl Brandt at Dryden Restoration San Jose stands behind that promise on every job.
Call Dryden Restoration San Jose for a Free Mold Assessment
If you smell mold, see a dark patch spreading, or just had a leak and want a professional to check the damage, call (669) 770-7417 today. You’ll get a live person on the line, a scheduled arrival window, and a written price before any tool touches your home. We’ll walk you through what we found, what it costs to fix, and what the 365-Day Done Right Promise covers. No pressure. No surprises at the door.
Written by Carl Brandt, Owner at Dryden Restoration San Jose, serving San Jose and the South Bay since 2005.