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 Fontana
Mold remediation in Fontana typically costs between $1,800 and $6,500 depending on the square footage affected and whether the moisture source is a simple supply-line leak or a cracked cast-iron drain under a mid-century slab. We get crews into Fontana neighborhoods, from the 92335 steel-mill core to the 92336 subdivisions in the south, the same day you call. Noel Armenta built San Bernardino Restoration Co to handle exactly this kind of work: mold that keeps coming back because the underlying moisture was never actually found. If you’re seeing discoloration on drywall, a persistent musty smell, or condensation that won’t quit, call (877) 358-7678 and we’ll walk you through what’s happening before we ever send a truck.
Why San Bernardino Restoration Co Is Fontana’s Preferred Mold Remediation Company
Fontana jobs throw curveballs that most restoration crews never see. The city sits in a semi-arid inland valley where summer heat pushes daytime temperatures past 100 degrees, and those temperature swings put real stress on older building materials. Cast-iron drain lines in original 1950s and 60s slab homes expand and crack. Flat roofs on older commercial buildings and some residential stock buckle under the dry heat, then get hit with sudden monsoon bursts. We’ve worked enough Fontana properties to know what to look for before we ever set up containment.
Our technicians carry IICRC certification and work to the standards of the Restoration Industry Association. We bring commercial-grade equipment: Dri-Eaz dehumidifiers, Phoenix units, and B-Air air movers that a rental yard can’t match. When we map moisture on a Fontana slab, we’re reading actual data, not guessing. That’s the difference between a mold job that’s done in a week and one that comes back in three months.
Homeowners in Fontana call us because the problem didn’t go away the first time someone else “fixed” it. We hear that a lot, especially in the 92335 neighborhoods where original cast-iron drain lines hide under concrete. Schedule the inspection. We’ll show you the moisture readings ourselves.
Restoration work we handle






Mold Inspection in Fontana
Mold inspection in Fontana is what we recommend before any remediation quote, and it’s the step other companies sometimes skip. A proper inspection here means moisture mapping across concrete slabs, not just visual checks of drywall. In Fontana’s semi-arid climate, mold often hides in places that never see water on the surface: inside wall cavities from a pinhole leak in polybutylene plumbing, under carpet tack strips where slab moisture wicked up, or in the ceiling plenum after a flat-roof leak during a monsoon burst.
A typical mold inspection in Fontana runs $250 to $600 depending on the size of the home and whether air sampling is needed. Remediation quotes are free after that.
When a Visual Check Isn’t Enough
Mold isn’t always visible. In a Fontana home with stucco over wood framing, moisture can sit inside a wall cavity for weeks before staining shows on the interior. We use moisture meters and infrared cameras to find elevated readings you can’t see with a flashlight.
Inspection Reports That Hold Up
Insurance adjusters and rental property owners want documentation that’s more than a photo and a guess. Our inspection reports include moisture readings, temperature and humidity logs, and a written scope. That’s what gets a claim moving and a remediation approved.
Mold Removal Specialist in Fontana
A mold removal specialist in Fontana has to understand how the city’s housing stock fails differently by neighborhood. The stucco tract homes from the 1950s and 60s near the original steel mill core behave nothing like the 1980s and 90s subdivisions in the 92336 ZIP code. Older slab-on-grade homes get moisture from below. Newer south-end builds get it from polybutylene and early PEX supply lines rupturing inside walls. If the specialist doesn’t know which failure mode they’re looking at, the mold returns.
Basic mold removal from a contained bathroom or closet in Fontana runs $1,200 to $2,800. Whole-room remediation with containment, HEPA air scrubbing, and drywall replacement lands between $3,500 and $6,500.
Containment That Actually Contains
We set up negative air pressure and HEPA filtration on every job where mold has spread beyond a single surface. That’s not optional. A remediation without proper containment sends spores into your HVAC system and every other room.
Structural Drying After Removal
Removing the mold is the easy part. Finding and stopping the moisture source is what prevents recurrence. We run Injectidry systems inside wall cavities and use Phoenix dehumidifiers until moisture readings confirm the structure is dry, then we run final clearance testing.
Trusted Brands We Service in Fontana
We work on every type of home you’ll find in Fontana, from mid-century stucco tracts in 92335 to 1990s frame construction in 92336 and newer infill builds near the 92337 corridor. The equipment we bring to those jobs is the same gear used on large commercial losses: Dri-Eaz and Phoenix dehumidifiers, XPOWER and B-Air air movers, and Injectidry wall-cavity drying systems. If you’re a property manager handling multiple units across Fontana, we can schedule containment and drying across several addresses without juggling subcontractors. Parts and supplies for local jobs are staged out of our San Bernardino shop, which shortens turnaround when a Fontana homeowner needs a quick response.
Common Mold Remediation Problems We See in Fontana Homes
- Slab-sourced moisture in the 92335 steel-mill core: Cast-iron drain lines crack during summer heat expansion, and moisture wicks up through the original slab into carpet and drywall. A contractor who replaces drywall without moisture-mapping the slab will be back in six months for the same problem.
- Hidden polybutylene and early PEX leaks in 1980s-90s south Fontana homes: These supply lines develop pinhole leaks behind walls and under cabinets. Mold grows inside the wall cavity while the homeowner sees nothing, until a musty smell gives it away.
- Under-drying after Category 2 or 3 water events: Monsoon bursts overwhelm flat roofs and undersized drainage, sending contaminated water into ceilings and walls. If a crew skips proper containment and dehumidification, mold starts within 24 to 48 hours.
- Bathroom exhaust fans that vent into attics: Fontana’s dry climate means some homeowners don’t notice the problem for years. But a fan dumping humid air into an attic space in a 1960s home creates a slow, steady mold source above the ceiling.
See the difference
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AfterPricing for Mold Remediation in Fontana, CA
Here’s what we tell Fontana homeowners up front. Mold inspection runs $250 to $600. Small contained remediation jobs, like a bathroom or closet, run $1,200 to $2,800. A full room with containment, drywall removal, antimicrobial treatment, and structural drying lands between $3,500 and $6,500. If the job involves a cracked cast-iron drain line under a slab in the older 92335 neighborhoods, add $800 to $2,000 for the plumbing repair that has to happen before remediation makes sense. Every quote is free, written, and itemized before any work starts. Call (877) 358-7678 and we’ll schedule the inspection.
We Also Serve Cities Near Fontana
San Bernardino Restoration Co provides Mold Remediation services throughout the Inland Empire. We regularly handle jobs in Bloomington, Rialto, Glen Avon, and Pedley, and our Fontana coverage includes every ZIP code from 92334 through 92337. If you’re in a neighboring city and the mold problem won’t go away, call us.
Serving Fontana, CA — Our Local Coverage Area
We’re based in the Fontana 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 Fontana
Mold keeps coming back in 92335 because the moisture source is usually a cracked cast-iron drain line under a mid-century slab, not a surface leak. The moisture wicks up through the concrete and into drywall and carpet, and if the slab is never moisture-mapped and the drain line never repaired, the mold returns within months. Call (877) 358-7678 and ask for a slab moisture inspection before anyone replaces drywall again.
Mold can start within 24 to 48 hours after a water event, especially in Fontana’s warm indoor temperatures. That window shortens in summer when ambient heat and humidity spike after a monsoon burst. If you’ve had a leak, don’t wait to see mold; call us for a moisture check while everything is still wet.
Santa Ana winds are dry and hot, so they don’t directly cause mold growth, but they do accelerate evaporation and drive dust and spores through gaps in older Fontana homes. More importantly, the wind season follows the dry heat that causes slab expansion and drain line cracks. If a Santa Ana event exposes a roof or window leak, mold can establish quickly once the wind dies down.
Category 1 is clean water from a supply line. Category 2 is contaminated water, like dishwasher overflow or sump pump discharge. Category 3 is grossly contaminated, like sewage or floodwater. The category determines what gets removed and what can be dried. We treat anything Category 2 or 3 with full containment and antimicrobial protocol, no exceptions.
Yes. We inspect and remediate throughout the 92336 and southern 92337 areas, where polybutylene and early PEX supply lines are the most common hidden moisture source. We bring the same IICRC-certified inspection protocol and professional-grade equipment to every Fontana neighborhood. Call (877) 358-7678 for a free remediation estimate after inspection.
Contact San Bernardino Restoration Co in Fontana
If you suspect mold or you’ve had water damage and want to get ahead of it, call us at (877) 358-7678. We’ll schedule an inspection, explain what we find in plain English, and give you a written scope before any work begins. Noel Armenta and the San Bernardino Restoration Co team have handled enough Fontana homes to know exactly where the hidden moisture hides. Don’t wait for the smell to get worse.
Written by Noel Armenta, Owner at San Bernardino Restoration Co, serving Fontana and the Inland Empire.