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 Water Damage Restoration Across Ontario
Water damage in an Ontario home rarely announces itself politely. A slab leak in a 1962 tract house off Euclid can travel under laminate flooring for weeks before you smell it. A supply line bursts in a two-story subdivision near Archibald and suddenly you’re pulling sheetrock at midnight. We get it because we work these streets every week. Oxford Restoration Co provides IICRC-certified water damage restoration throughout Ontario, CA, from emergency water extraction to full structural drying and rebuild. If you’re looking at standing water, a spreading stain, or a warped baseboard right now, call (877) 265-8058. We dispatch to Ontario, Montclair, Upland, Chino, and San Antonio Heights, and a real person answers.
Why Oxford Restoration Co Is Ontario’s Preferred Water Damage Restoration Company
Ontario homeowners call us because word travels in these neighborhoods. Our IICRC-certified technicians have worked hundreds of water losses across ZIP codes 91762, 91764, 91798, and 91758, and we’ve built a reputation for finding what other crews miss. That matters in Ontario, where 1950s through 1970s tract homes hide leaks in ways newer construction doesn’t.
We’re not a general contractor that added water damage as a side service. Our entire operation is built around restoration: Water Damage Restoration, mold remediation, and fire damage under one specialized roof. The distinction shows in the equipment we run – Dri-Eaz dehumidifiers, Phoenix air movers, XPOWER axial fans – and in the documentation we keep. Our response to Ontario is typically within 60 to 90 minutes for emergency water extraction, because the difference between drying a floor and replacing it is measured in hours.
Led by Noel Carrasco, our team approaches every Ontario job the same way: moisture readings across the entire affected room, not just the visible wet spot. It’s a discipline born from Ontario’s specific housing stock, and it’s saved more than a few homeowners from a second claim six months later.
Restoration work we handle






Water Extraction in Ontario
Water extraction in Ontario means removing standing water from slab-on-grade tract homes, two-story subdivisions, and warehouse spaces before moisture wicks into drywall, baseboards, and subfloor. We’re answering calls in Ontario neighborhoods off Holt Boulevard, in the newer tracts east of the 15, and throughout the industrial corridors near the airport. A typical emergency water extraction in Ontario runs $500 to $1,400 depending on square footage affected and whether the water is Category 1 clean water or Category 3 contaminated. Same-day extraction is standard for us, not a premium add-on.
Slab Leak Extraction
When an original galvanized or copper line fails under an Ontario slab foundation, water rises through the concrete and into flooring from below. Our crews use thermal imaging and moisture meters to map the spread before we ever pull a baseboard. Extraction in these cases often means working room by room to catch water that’s traveled far from the actual leak point.
Supply Line and Appliance Failures
Newer Ontario subdivisions around 91761 and 91758 see a different pattern: braided supply lines to upstairs toilets and laundry rooms letting go while nobody’s home. Water saturates carpet, drops through subfloor into the ceiling below, and you’ve got damage on two levels within an hour. We extract from both floors and run structural drying with Dri-Eaz dehumidifiers calibrated to the home’s layout and air flow.
Emergency Water Removal in Ontario
Emergency water removal in Ontario is what we do most often in the middle of the night, because a ruptured line in an older tract home off Euclid Avenue can put an inch of water across 800 square feet before you’ve even found the shutoff. We arrive with truck-mounted extraction units, cordon off the affected area, and begin pulling water within minutes. In Ontario, emergency water removal typically falls between $800 and $1,900 for moderate single-room or multi-room incidents, with contaminated water scenarios at the higher end due to the additional disposal and antimicrobial work required.
Same-Day Structural Drying
Extraction is only step one. Ontario’s hot, dry summers can fool homeowners into thinking a floor will simply air out. It won’t, not in the wall cavities or under vinyl plank where vapor gets trapped. We set up containment, run Phoenix and Dri-Eaz air movers, and monitor with daily moisture readings until the structure is genuinely dry. Logs are kept throughout, which matters if you’re filing an insurance claim.
Containment and Category 3 Water
If the water came from a sewage backup or outside floodwater, it’s Category 3 by the IICRC standard, and drying alone isn’t enough. Contaminated materials come out, hard surfaces get antimicrobial treatment, and the area gets contained so airborne particles don’t spread into the rest of your Ontario home. Skimping on this step in a 1950s tract house with original drywall is how mold problems begin.
Trusted Brands We Service in Ontario
We work on all makes and models of plumbing systems and building assemblies across Ontario’s housing stock, from the original galvanized supply lines in mid-century tracts to PEX and copper in newer builds. What we’ve learned from these streets is that older systems fail predictably – and restoration needs to account for that. Given our experience in Ontario’s 91762 and 91764 ZIP codes, we stock the drying equipment and antimicrobial treatments needed for the specific building materials we encounter. Our Injectidry systems, in particular, let us dry wall cavities without gutting original lath-and-plaster or 1950s drywall assemblies, which reduces your repair scope and keeps restoration costs down. We also carry parts and compatible connectors for common supply-line configurations so extraction and temporary repairs happen during the first visit, not the third.
See the difference
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After
Before
After
Before
AfterCommon Water Damage Restoration Problems We See in Ontario Homes
- Hidden slab leaks under original galvanized plumbing. In older Ontario tracts off Euclid and Holt, original galvanized pipes and slab-on-grade foundations mean a single slab leak can silently wick under laminate flooring for weeks before showing. We moisture-map entire rooms, not just the visible wet spot.
- Mold growth inside wall cavities of 1950s-70s tract homes. The original drywall and insulation in these Ontario houses trap moisture, and in our hot summers, mold can set in within 24 to 48 hours. We dry in place with Injectidry where possible, or open cavities when contamination requires it.
- Category 3 water protocols ignored. Some Ontario crews run the same drying plan for sewage-contaminated water as for a clean supply leak. That’s a serious error. We follow IICRC category-specific protocols and remove contaminated materials rather than trap them behind new paint.
- Upstairs supply-line failures in newer subdivisions. In two-story Ontario homes built in the 1990s and 2000s, a laundry or bathroom supply failure on the second floor means water damage on two levels at once, and we’ve found that if the ceiling below isn’t opened and dried properly, staining and odor return within months.
Pricing for Water Damage Restoration in Ontario, CA
Let’s talk numbers in plain terms. Water extraction in Ontario typically runs $500 to $1,400 for a standard single-room incident. Emergency water removal with multiple rooms affected runs $800 to $1,900, and Category 3 contaminated water pushes toward the upper end because of disposal and antimicrobial work. Structural drying and dehumidification generally adds $1,200 to $3,500 depending on square footage and how long the water sat. If your Ontario home needs drywall replacement, baseboards, and flooring repair, full restoration commonly lands between $3,000 and $9,000 for moderate losses. Larger losses, especially multi-level damage in newer subdivisions, can exceed $12,000. We provide a written scope and a free estimate before any work begins, and we work directly with your insurance adjuster with photo documentation and drying logs. Call (877) 265-8058 to get exact numbers for your Ontario property.
We Also Serve Cities Near Ontario
Our water damage restoration teams cover the Ontario area and dispatch regularly to nearby communities. If you’re in Water Damage Restoration in Ontario proper or across the city line in Montclair, Upland, Chino, or San Antonio Heights, we’re already familiar with your neighborhood’s housing stock and water damage patterns. Same-day response extends across the entire corridor.
Serving Ontario, CA — Our Local Coverage Area
We’re based in the Ontario 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 Water Damage Restoration in Ontario
We find slab leaks by moisture-mapping the entire affected room, not just the visible wet spot, and then using thermal imaging and acoustic leak detection to trace the source. In Ontario’s 1950s-70s tract homes, where original galvanized or copper lines fail in predictable ways, a pinhole leak can travel far under laminate flooring before it ever shows. We pull baseboards to check for wicking, read moisture levels across the slab, and isolate the leak point before extraction begins. Call (877) 265-8058 and we’ll walk you through exactly what a slab leak inspection involves.
Category 1 is clean water from a supply line or fixture, Category 2 contains some contamination like dirty laundry water or overtopped sinks, and Category 3 is grossly contaminated water from sewage backup or outside floodwater. In Ontario, where many homes have original plumbing, we see all three, and the category dictates whether we can dry materials or must remove them entirely. Treating Category 3 with a Category 1 drying plan leaves contamination in place, which is a health hazard and a future mold problem. Our IICRC-certified technicians classify the water on arrival and follow the corresponding protocol.
Mold can begin growing within 24 to 48 hours after water damage in an Ontario home, even with our dry summer heat, because wall cavities and under flooring trap the humidity that the outside air doesn’t. The warm temperatures in Ontario actually accelerate fungal growth once moisture is trapped inside building materials. That’s why we begin structural drying and antimicrobial treatment on the same visit, and why waiting even a day can turn a drying job into a mold remediation project. Call (877) 265-8058 as soon as you see water; we’ll respond quickly.
Yes, our Ontario water damage restoration jobs include daily moisture readings and drying logs from start to finish. On a 1958 tract home near Euclid and Holt, our crew responded to a suspected slab leak where the homeowner reported only a faint musty odor and no standing water. Using thermal imaging and moisture mapping, we traced a pinhole leak in the original copper re-pipe that had wicked under laminate flooring across two rooms, warping baseboards. We performed water extraction, set up containment and air movers, applied antimicrobial treatment, and completed structural drying with Dri-Eaz dehumidification, documenting drying logs to return the home to pre-loss condition. Those logs document the drying was done right, and they’re what insurance adjusters want to see.
Yes, we handle supply-line failures in two-story Ontario homes in subdivisions across 91761 and 91758 regularly. These failures typically mean water on two levels at once, with saturated carpet upstairs and a soaked ceiling below, and our emergency water removal crews treat both floors as one integrated drying job. We open the ceiling cavity where needed, dry in place where we can, and restore the property to pre-loss condition with full documentation. Call (877) 265-8058, and we’ll have a crew at your Ontario home within 60 to 90 minutes.
If you’re dealing with water damage in an Ontario home right now, don’t wait for the stain to spread or the smell to get worse. Call Oxford Restoration Co at (877) 265-8058 for a free estimate and same-day response across Ontario, Montclair, Upland, Chino, and San Antonio Heights. We answer around the clock, and we’ll send an IICRC-certified crew that knows exactly what older Ontario tract homes and newer subdivisions need.
Written by Noel Carrasco, Owner at Oxford Restoration Co, serving Ontario since our first emergency call in the Inland Empire.