Water damage drying
Fire & smoke cleanup
Mold remediation
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 runs $1,500 – $6,500 depending on how far the colony has spread, whether wall cavities are involved, and whether your home has wood or steel framing. We can usually have a crew to your Fontana property within hours, not days. If you’ve spotted discoloration on walls or ceilings, caught a musty smell in a bathroom, or found mold after a roof leak, call (888) 508-8745 now and we’ll walk you through exactly what to do first.
We know Fontana’s housing stock because we’ve worked inside it: the Kaiser steel-frame homes in 92335, the 1980s stucco tracts in 92336 and 92337, the slab-on-grade construction that sends moisture sideways into wall cavities instead of down into a basement. That local knowledge changes how we scope the work, what drying equipment we bring, and how thorough the remediation actually is.
Why Clean Slate Water Damage Is Fontana’s Preferred Mold Remediation Company
Fontana homeowners call us because we understand the failure modes in this city’s specific housing stock. The post-WWII tracts south of the 10, the stucco subdivisions pushing toward the Cajon Pass, the steel-frame Kaiser homes near the old mill site: each has its own way of trapping moisture and hiding mold. A company that treats every house like a wood-frame track home will miss what’s actually happening inside your walls.
Our Mold Remediation team works with Dri-Eaz extraction and drying equipment, Phoenix dehumidifiers, and Injectidry injection-drying systems. That matters in Fontana because slab foundations here mean moisture wicks up through concrete, and wall cavities need positive air pressure to dry out fully. We map moisture before tearing anything apart, treat the framing, and document every step so insurance adjusters see exactly what we found and what we did.
We respond to Fontana calls from our Pomona base, which puts us under 30 minutes from most neighborhoods in normal traffic. When you’re watching a mold colony spread across a bathroom ceiling, that response time matters more than any slogan.
Restoration work we handle
Bathroom Mold Removal in Fontana
Bathroom mold removal in Fontana is the single most common call we get, especially in the older south-side homes where original plumbing from the 1950s and 60s has been leaking slowly inside walls for years. In a slab-on-grade Fontana home, bathroom leaks don’t drain down into a basement: they soak sideways into drywall, spread along the slab, and feed mold colonies that homeowners often don’t discover until the grout starts darkening or a musty smell won’t leave. A typical bathroom mold removal in Fontana runs $850 – $2,400 when the damage is contained to one wall or the ceiling around the shower, and $3,000 – $6,500 when the colony has moved into wall cavities or requires drywall replacement and framing treatment.
Shower and Tub Surround Remediation
Shower surrounds in older Fontana homes fail at the grout lines and the pan, and water gets behind the tile before anyone notices. We remove the affected drywall or backer board, treat the framing with antimicrobial, and re-install moisture-resistant materials. In steel-framed homes we also check for rust on the studs, because moisture that would simply swell a wood stud will actively corrode a steel one.
Ventilation and Humidity Sources
Bathroom mold is almost always a ventilation problem, not just a leak. In Fontana’s 1980s stucco homes, builder-grade bathroom fans often vent into the attic instead of outside, which pumps warm, wet air into the framing. We identify the source, recommend the right fix, and make sure the remediation actually holds.
Mold Removal Service in Fontana
Mold removal service in Fontana means more than killing the visible colony: it means finding every moisture source, mapping how far the colony has spread through wall cavities, and removing or treating every affected material to prevent regrowth. In this city, that often requires understanding wind-driven rain intrusion in the north-side neighborhoods and metal-aware drying in the old Kaiser-era south side. A whole-room mold removal job in Fontana, including containment, HEPA air scrubbing, and material replacement, typically runs $2,800 – $6,500, with crawl space treatments falling between $1,500 and $3,500 depending on square footage and accessibility.
Containment and Air Quality
We set up negative-air containment so mold spores don’t migrate through your Fontana home during removal. HEPA air scrubbers run throughout the job and after completion to bring spore counts back down. For families with respiratory concerns, we can sample air before and after so you have documented clearance data.
Post-Remediation Verification
We don’t hand a Fontana homeowner a half-dried wall and call it done. Moisture meters confirm framing is actually dry, not just surface-dry. In slab-on-grade homes, we check the concrete itself, because a damp slab will re-wet new drywall within months. That’s the difference between remediation and a temporary cover-up.
Trusted Brands We Service in Fontana
We work on all equipment found in Fontana homes, from the original bathroom fans in 1950s tract houses to the newer dehumidistat-controlled systems in the 1990s north-side subdivisions. We keep common replacement fans, vent ducting, and moisture barriers on our trucks so we don’t have to leave a job half-finished while waiting on parts. For Fontana’s older homes with odd-sized ceiling cavities or original plaster lathe behind the tile, we carry materials that match accordingly rather than forcing a generic fit.
See the difference
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After
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AfterCommon Mold Remediation Problems We See in Fontana Homes
- Steel framing rust in 92335 Kaiser-era homes. The steel studs and thin-wall systems original to these houses conduct moisture along their length and rust at the base of walls. Standard wood-frame drying protocols don’t map this, which is why we always moisture-scan steel framing before declaring a remediation complete.
- Wind-driven rain in north-side stucco tracts (92336/92337). Santa Ana winds push rain sideways into stucco penetrations around windows, vents, and roofline trim. The water gets behind the paper barrier, soothes the backside of drywall, and produces mold colonies with no visible exterior leak.
- Slab-on-grade moisture wicking. In nearly all Fontana housing, concrete slabs sit directly on ground that retains winter moisture. Without a vapor barrier or with a broken one, that moisture rises into flooring and wall baseplates, feeding hidden mold growth that recurs after single-treatment remediations.
- Bathroom fan exhaust into attics. Especially common in 1980s stucco tracts, where fans vent laterally into the attic space rather than through the roof. Hot humid air from showers hits cold attic framing in winter and condenses, growing mold above the ceiling long before anyone sees it below.
Pricing for Mold Remediation in Fontana, CA
Bathroom mold removal in Fontana starts around $850 for a small, contained area and rises to $2,400 when one entire wall needs opening and treatment. Room-level mold remediation with containment and air purification runs $2,800 – $5,000 in most Fontana homes. Crawl space treatments range $1,500 – $3,500. Black mold remediation, which requires full containment and stricter clearance testing, usually lands between $3,500 and $6,500. What moves the price is the extent of framing involvement, whether steel or wood, and whether drywall replacement is required. We give you a written scope with exact pricing before any work begins, and estimates are free. Call (888) 508-8745 to schedule one.
We Also Serve Cities Near Fontana
Our crews serve Mold Remediation in Fontana and the surrounding communities, including Bloomington, Rialto, Glen Avon, and Pedley. If you’re just outside the Fontana city limits and dealing with a mold problem in an older slab-on-grade home, the same team responds and the same local knowledge applies.
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
In Kaiser steel-frame homes, remediation must include metal-aware drying and rust inspection. Steel studs conduct moisture along their length and rust when wet, which means we scan each stud within the affected area, treat rust with antimicrobial sealer after drying, and confirm with moisture meters before rebuilding. A wood-frame protocol would miss the metal-specific failure points and leave the problem to recur.
The north side sits close to the Cajon Pass funnel, so Santa Ana events push rain horizontally into stucco penetrations around windows, vents, and roofline trim. Water gets behind the weather barrier and soaks wall cavities from the inside without ever dripping visibly. South-side homes see more conventional roof leaks, which are easier to spot but can still hide colonies in slab-on-grade framing. Either way, call (888) 508-8745 for a free assessment.
Often yes, when we catch it early. If the moisture hasn’t wicked into the slab itself and the framing meters dry, we can treat the affected drywall and framing without tearing down the whole bathroom. If the slab is wet, a partial tear-out followed by slab drying is necessary. We always inspect the slab before recommending any scope, because slabbing over a wet slab just feeds the next colony.
Call us and describe where you see the mold, and we’ll advise next steps immediately. In the meantime, don’t paint over it or use bleach, which can drive spores deeper into drywall. We’ll bring moisture meters and thermal imaging to find the full run of wet materials, then give you a written scope and price before any work starts. Estimates are free.
Yes. Older Fontana bathrooms with original cast iron or galvanized supply lines often hide slow pinhole leaks inside the walls, which we find and fix as part of the job. We coordinate with your plumber when full plumbing replacement is needed, and we don’t rebuild over a leak that hasn’t been stopped. Call (888) 508-8745 for a free estimate.
Written by Noel Carrasco, Owner at Clean Slate Water Damage, serving Fontana and surrounding communities with professional-grade mold remediation, water damage restoration, and fire damage restoration.