Free 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.
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AfterFast, Reliable Storm & Disaster Restoration Across Ontario
Storm damage in Ontario moves fast, and so do we. Whether a microburst tore open a roof near the Ontario Mills corridor or a backed-up drainage channel pushed water into a 1970s slab home off Euclid Avenue, our crews arrive within the hour, every hour of the day. Call (629) 213-4606 and a live person answers. No voicemail tree. We document every step with photos, moisture readings, and a written scope before any work starts.
DryMark Restoration has handled storm and disaster losses across Ontario for years. We know which neighborhoods flood first when the San Gabriel drainages back up, which slab-era tracts hide moisture behind drywall, and which warehouse roofs near ONT fail under microburst pressure. We serve the full city: north of the 10, south of the 60, and everywhere in between. Our Storm & Disaster Restoration team coordinates every job from our Inland Empire office so crews reach Ontario neighborhoods without the delays you’d get from an out-of-area dispatcher.
Why DryMark Restoration Is Ontario’s Preferred Storm & Disaster Restoration Company
Ontario homeowners and property managers call us because we show up prepared for the specific problems this city throws at a building. We’ve extracted water from fulfillment center floors where a single sprinkler discharge covered more square footage than a whole residential block. We’ve dried out 1960s tract homes near the Chino Basin where hard water from the aquifer corroded galvanized lines behind walls. We’ve board-bagged storefronts along Holt Boulevard after wind-driven debris turned windows into projectiles.
Our crews are background-checked, uniformed, and carry credentials on paper. Every technician is licensed and insured, and the license number appears on the page before anyone enters your property. We write a price before work begins, every time, no exceptions. That’s Haven Standard, Clause 1: a written price before any work starts. It’s not a sales line. It’s how we operate.
Our Storm & Disaster Restoration Services in Ontario
Storm Damage Cleanup
Debris removal, wet material haul-out, and structural stabilization after a wind or rain event. We work fast in Ontario’s dense residential streets where city code enforcement and HOA timelines don’t wait. Our crews clear downed limbs, damaged fencing, and wind-scattered debris, then document every cubic yard removed with photos attached to your claim file.
Flood Damage Restoration
Water extraction, structural drying, and full moisture mapping for slab homes and commercial spaces across Ontario. Rare but intense rain events push water over grade into 1960s-1980s slab-on-grade tract homes that sit at virtually no elevation above the alluvial fans. We set up tertiary drying with Dri-Eaz air movers and Phoenix dehumidifiers, logging psychrometric data daily. That’s the room-by-room drying log your adjuster wants to see.
Emergency Board-Up
When a storm blows out windows or compromises doors near downtown Ontario, we board up fast. Our crews secure openings with plywood and fasteners rated for continued wind exposure, photograph before and after, and list every material used. For commercial properties along the airport corridor, we coordinate with property management and security to keep the site code-compliant and insurance-friendly.
Roof Tarping
A breached roof in Ontario’s dry heat creates a strange problem: surfaces dry quickly on top while framing stays wet underneath. We tarp first to stop water ingress, then use thermal imaging to find trapped moisture inside wall cavities before it becomes mold. Tarps are installed with battens and secured against microburst winds common off the San Gabriels. Every tarp is documented with photos and a written condition report.
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.
BeforeAfterTrusted Brands We Service in Ontario
Our drying equipment comes from Dri-Eaz, Phoenix, and B-Air, with Injectidry panels for hard-to-reach wall cavities. We stock replacement parts locally so a failed dehumidifier sensor doesn’t stall your project while you wait on a delivery from out of state. Our work is documented to IICRC, RIA, and IFA standards. That documentation isn’t optional. It’s what turns a restoration invoice into a payable insurance claim.
Common Storm & Disaster Restoration Problems We See in Ontario Homes
- Warehouse-scale water loss near ONT. A forklift strike on a sprinkler riser or a failed rooftop condensate line inside a 400,000 sq-ft distribution center can dump tens of thousands of gallons in minutes. Residential crews can’t handle that volume. We bring multi-crew extraction and large-loss drying capacity specifically for the logistics corridor surrounding Ontario International Airport.
- Deceptive surface drying in extreme heat. Ontario’s dry basin air makes drywall look and feel bone-dry within hours. Moisture stays trapped in framing and wall cavities. We don’t trust touch. We use thermal imaging and moisture mapping to prove structural drying, not just surface evaporation.
- Slab-on-grade homes with no elevation margin. Most 1960s-1980s tract homes in Ontario sit flat on grade. When Cucamonga Creek or San Antonio Creek backs up, water enters without warning. These homes need aggressive extraction and containment to stop wicking before it climbs into drywall.
- Tight access near downtown Euclid Avenue. Older craftsman bungalows and dense residential streets leave little room for equipment staging. We plan access routes and parking in advance so air movers and dehumidifiers get inside quickly, without waiting for a tow truck to clear the street.
Pricing for Storm & Disaster Restoration in Ontario, CA
Storm damage cleanup in Ontario typically runs $1,200 to $4,500 depending on debris volume and affected square footage. Flood damage restoration ranges $3,500 to $12,000 for a standard slab home where water entered through doors or grade-level vents. Emergency board-up runs $400 to $1,800 per opening depending on access and material specs. Roof tarping runs $650 to $2,200 for a standard residential roof section. Commercial warehouse losses are scoped differently: floor space, water volume, and downtime drive that price. Every job gets a written price before work starts. That’s Haven Standard, Clause 1.
We also offer a Free Second Opinion on any competitor’s written estimate. Bring it in. We’ll review it line by line at no charge. Call (629) 213-4606 to schedule.
We Also Serve Cities Near Ontario
Our crews respond to storm and flood damage throughout the Inland Empire’s west valley. We regularly serve Storm & Disaster Restoration in Ontario and neighboring communities: Montclair, Claremont, Upland, and Rancho Cucamonga. Same crews, same equipment, same documentation standards.
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 - Storm & Disaster Restoration in Ontario
We can have crews on-site within 60 to 90 minutes for a commercial loss near ONT. Large-loss extraction units and drying equipment dispatch directly from our Inland Empire yard. In a 400,000 sq-ft facility, the first hour determines how much inventory and racking you save. Call (629) 213-4606 and a live dispatcher coordinates the response.
Yes. We handle Category 3 water from sewer backups, creek overtopping, and contaminated storm runoff. Technicians wear proper PPE, set up containment, and remove affected materials to IICRC standards. Cleanup includes antimicrobial application and disposal tracking. For a Category 3 loss, we document every extraction point and every affected foot of drywall for your claim.
Ontario’s homes sit on the alluvial fans of San Gabriel Mountain drainages. Slab-on-grade construction means water can move horizontally across the slab with nothing to stop it. When water enters through door thresholds or grade-level vents, it wicks up into drywall and framing. Our thermal imaging and moisture meters find that trapped water before it becomes mold. We log drying progress daily until readings return to pre-loss levels.
Yes. We secure storm-damaged openings in older wood-frame bungalows along Euclid Avenue and throughout downtown Ontario. Board-up includes plywood securing to FEMA-standards, photo documentation, and a written condition report. Roof tarping uses battens and fasteners rated for continued wind exposure. Both services come with a written price before work begins.
Older craftsman homes along Euclid Avenue bring raised foundations and subfloor moisture challenges that slab homes don’t present. We drop dehumidifiers into crawlspaces, check for termite-compromised structural members, and use Injectidry panels to pull moisture from lath-and-plaster walls without tearing them open. Every treatment is documented with room-by-room readings. The Storm & Disaster Restoration record we hand you at the end is written for an adjuster, not a scrapbook.
Contact DryMark Restoration in Ontario
Storm damage doesn’t wait for business hours. Our Ontario response line is answered by a live person 24/7. We’ll ask what happened, tell you what to do in the next ten minutes, and dispatch a crew with the right equipment. Call (629) 213-4606 for a free estimate and a written scope before any work starts.
Written by Alicia Brennan, Owner at DryMark Restoration, serving Ontario and the Inland Empire since 2011.