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 restoration in Ontario, CA typically runs $1,800 to $6,500 for a full scope, with emergency water extraction alone costing $450 to $1,200. Most Ontario homes we respond to can be stabilized the same day we arrive. If you’re standing in water or watching a ceiling stain spread, call (888) 508-8745 right now. We know Ontario’s neighborhoods, its split housing stock, and the specific ways water moves through both 1950s tract homes and brand-new PEX-plumbed builds.
Ontario isn’t one housing market. It’s two. And each one leaks differently. Our techs drive these streets weekly, from the 91762 core near Euclid Avenue to the warehouse district lining the 10 and 15 freeways. When you call, you’ll get a team that already knows what kind of plumbing your Ontario home likely has before we even walk through the door.
Why Clean Slate Water Damage Is Ontario’s Preferred Water Damage Restoration Company
Noel Carrasco leads our restoration crews with a simple standard: restore the property to pre-loss condition, verified with moisture readings and documented drying logs, not a visual once-over. That matters in Ontario because so many water losses here happen behind walls and under slabs, where a contractor who doesn’t own professional-grade equipment simply can’t see the problem. We run Dri-Eaz and Phoenix extraction and dehumidification systems, the same brands used by top-tier restoration firms nationwide. The difference shows up in the drying data we hand you and your adjuster.
We also carry the Injectidry system, which forces dry air directly into wall cavities and subfloors. For Ontario’s slab-on-grade homes, that’s the difference between drying a wall in place and ripping out drywall, waiting weeks, and paying a rebuild crew. Most generalist contractors don’t own Injectidry equipment. We do. Our work follows IICRC standards, and our RIA and IFA affiliations mean we’re accountable to industry benchmarks, not improvised methods. One team handles your water, mold, and fire restoration from first dispatch to final clearance, so you’re never coordinating three phone numbers while your hallway drywall keeps wicking moisture.
Restoration work we handle






Water Extraction in Ontario
Water Extraction in Ontario starts with getting standing water off your floors before it migrates into baseboards, under cabinets, and through carpet pad. In the 91761 corridor’s newer slab-on-grade homes, water has nowhere to go but sideways. It travels under LVP flooring and into hallway drywall before you notice anything on the surface. Our extraction crews use truck-mounted and portable Dri-Eaz units that pull hundreds of gallons per hour, and we document every pass with moisture mapping.
Emergency water extraction in Ontario homes with carpet runs $450 to $900 for a single room. Hard surface flooring with slab saturation pushes that toward $1,200 when we need to pull the flooring or set containment.
Extraction Before Demolition
We extract first and cut later. In many Ontario homes, especially the mid-century tracts off Holt Boulevard and Mountain Avenue, the subfloor can be saved if water is removed within hours, not days. Injectidry drying then pushes dry air into the wall cavities and subfloor space so we don’t have to open every wall to dry what’s behind it.
Documenting the Loss for Your Insurer
Photo documentation starts the moment our techs arrive. Every extraction pass, every moisture reading, every piece of equipment placement gets logged. We work directly with adjusters, which removes the back-and-forth that stalls Ontario claims.
Emergency Water Removal in Ontario
Emergency Water Removal in Ontario covers the situations where you can’t wait for a scheduled appointment: a supply line has burst behind the washing machine, a water heater is draining into the hallway, or monsoon water is pushing under the garage door. We dispatch to Ontario within hours, and our crews arrive with enough equipment to start extraction immediately, not survey first and return tomorrow.
For a burst supply line or water heater failure in Ontario, emergency removal and initial drying typically runs $900 to $2,800 depending on how far water has traveled. Slab leaks that have been running behind baseboards for weeks cost more because the damage envelope is larger and the water category has usually degraded.
Burst Pipe Response
Burst pipes in Ontario’s 91762 and 91764 neighborhoods are usually galvanized lines that have been corroding for decades. When they finally let go, they don’t drip. They flood. The key is shutting down the main, extracting, and setting air movement before humidity settles into the framing. We handle the entire sequence.
Slab Leak and In-Wall Drying
Slab leaks in Ontario’s mid-century homes are common enough that our techs anticipate them. Dry-season-hardened soil around the foundation contracts, the slab shifts slightly, and a copper or galvanized line under the floor starts weeping. The water wicks upward into walls. Standard air movers alone won’t reach it. We bring Injectidry mats and panel drying to force air through the building cavities, which shortens drying time and reduces the demolition footprint.
Trusted Brands We Service in Ontario
We stock parts and supplies for the equipment brands Ontario homeowners and property managers already trust: Dri-Eaz, Phoenix, XPOWER, B-Air, and Injectidry. If you’re managing a rental property in Ontario and your tenant’s unit needs extraction, we can have the right equipment staged that day. If you’re a commercial property owner with a warehouse near Ontario International Airport, we bring the same commercial-grade setup residential crews use, scaled for tilt-up footprints and roof drain failures. Having the right brand on the truck means faster turnaround for Ontario customers and no waiting on a rental counter in Riverside.
Common Water Damage Restoration Problems We See in Ontario Homes
- Builder-grade PEX fittings in 91761 homes. The master-planned communities near Ontario International Airport went up fast, and the plumbing reflects it. PEX fittings fail behind drywall, and the slow drip gets mistaken for condensation until moisture readings spike on a routine inspection or the drywall starts to bubble.
- Galvanized supply line pinholes in 91762 and 91764 tracts. These mid-century homes were built with steel pipes that have been rusting from the inside out for fifty or sixty years. A pinhole leak inside a wall can run for weeks before you see it, and by then the water has migrated into insulation and framing.
- Monsoon downpours overwhelming flat roofs and slab foundations. Ontario’s late-summer storms drop rain hard enough that sun-baked stucco and flat roofs fail. The water pools against the foundation, and dry-season-hardened soil can’t absorb it fast enough, so it pushes under slab edges and into the home.
- Commercial roof drain and sprinkler failures near the airport. The warehouse district along the 10 and 15 freeway corridors has its own failure pattern: clogged roof drains, popped sprinkler lines, and flat-roof ponding that eventually finds a seam. These are big water-loss jobs that need industrial-scale extraction and dehumidification.
See the difference
Before
After
Before
After
Before
AfterPricing for Water Damage Restoration in Ontario, CA
A straightforward water extraction in a single Ontario room runs $450 to $1,200. Full structural drying with dehumidification and air movement for a flooded hallway or bedroom typically lands between $1,800 and $4,000. When the loss involves a slab leak, a burst supply line that ran while you were at work, or water that sat overnight, expect $3,500 to $6,500 because the affected area is larger and the water category has likely escalated. Factors that move your Ontario quote: square footage of affected flooring, whether cabinets or built-ins are involved, how far water traveled under slab, and whether pack-out is required. Call (888) 508-8745 for a free estimate. We’ll give you a written scope before any work starts, and we’ll walk your adjuster through the documentation if you’re filing a claim.
We Also Serve Cities Near Ontario
Clean Slate Water Damage runs crews throughout the eastern Inland Empire. We regularly handle water damage restoration in Ontario’s neighboring communities, including Montclair, Upland, Chino, and San Antonio Heights. Our Water Damage Restoration team stages equipment in Pomona, which puts us within quick response time to all of these areas. If your property sits near the Ontario border, you’ll get the same dispatch speed and the same IICRC-aligned process.
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
Builder-grade PEX fittings are the usual culprit. Ontario’s 91761 corridor saw rapid construction, and the plumbing subcontractors used inexpensive fittings that fail at the crimp ring or behind the drywall. The leak starts as a slow drip, wicks into the drywall or under the LVP, and by the time you see a stain, the moisture has already traveled. We find this pattern frequently in homes that are five years old or less. If you’re seeing bubbling paint or a musty smell in a newer Ontario home, call (888) 508-8745 for a moisture assessment before it spreads further.
Late-summer monsoon downpours hit Ontario’s sun-baked stucco and flat roofs hard. The soil around 91762 and 91764 foundations has been hardened by months of dry heat, so runoff pools against slab edges and pushes underneath. Once water gets under a slab-on-grade home, standard air movers can’t reach it. We use Injectidry systems and controlled negative air to dry the sub-slab space without tearing out entire floors. If monsoon water got into your Ontario home this season, don’t wait for it to dry on its own. It won’t. Call us for an extraction and drying plan.
Yes. The warehouse and logistics district near Ontario International Airport produces large commercial water losses regularly: sprinkler line failures, roof drain overflows, and stormwater intrusion through loading docks. Our crews are equipped with commercial-grade Dri-Eaz and Phoenix extraction and dehumidification systems sized for tilt-up footprints. We document everything for your property insurance carrier and coordinate directly with your facilities team. The work follows IICRC standards for commercial restoration. For a warehouse loss in Ontario, call (888) 508-8745 and we’ll get a crew rolling.
Category 1 water is clean, like a supply line burst or an overflowing sink. Category 2 has some contamination, like water that has passed through building materials or sat for hours. Category 3 is grossly contaminated, like sewage or stormwater that ran through the Ontario streets. The category determines what we can dry versus what we must remove and treat. In Ontario’s mid-century homes, a category 1 galvanized pipe leak often becomes category 2 within hours because the water contacts old insulation and drywall. That escalation changes the scope, which is why we don’t trim corners on containment and antimicrobial treatment. For a question about your specific loss, call (888) 508-8745 and we’ll walk through it.
Yes, we do. Slab leaks in Ontario’s 91762 and 91764 tracts are one of our most common emergency calls. The water travels under the slab and wicks up into walls, flooring, and cabinetry. We respond with extraction equipment first, then set up Injectidry panel drying and dehumidification to force dry air through the wall cavities and sub-slab zones. The earlier we get the water out, the less demolition you face. If you suspect a slab leak in your Ontario home, call (888) 508-8745 now. The leak is already running. The question is how far it gets before we stop it.
Restoring Ontario Homes to Pre-Loss Condition
A field vignette from Ontario: a homeowner in the 91761 corridor near Ontario International Airport called us after a pinhole leak in a builder-grade PEX fitting soaked the hallway drywall. Our techs performed water extraction, set up air movers and dehumidification with Dri-Eaz equipment, and used moisture mapping to confirm the slab was dry before completing structural drying. The homeowner avoided a full pack-out because we caught it within 24 hours and applied antimicrobial treatment to the affected framing.
That’s the standard in Ontario. Not patched and painted, but verified dry and restored. If you’re looking for a team that brings commercial-grade equipment and IICRC-aligned process to every call, Water Damage Restoration in Ontario starts with one phone call. Reach Noel Carrasco and the Clean Slate crew at (888) 508-8745 for a free estimate and a written scope before any work begins.
Written by Noel Carrasco, Owner at Clean Slate Water Damage, serving Ontario since day one.