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 estimateRestoration Company in Ontario, CA
Fire damage restoration in Ontario, CA means dealing with smoke that’s been driven through a home by 60-mile-per-hour Santa Ana winds, then sealed in by stucco and weather stripping built for a hot, dry climate. The older citrus-era bungalows near downtown Ontario and the 1950s tract homes in the 91762 and 91764 ZIP codes burn differently than newer construction, and they leave behind a specific set of problems we’ve been called out to handle since 2018. If you’re standing in a house that smells like an electrical short or a kitchen fire, call Flood Guard Water Damage at (844) 716-1094. We’ll walk you through what happens next.
Why Ontario Homes Are Different
Ontario sits at the foot of the Cajon Pass and directly in the Santa Ana wind corridor. That geography defines restoration work in this city. In fall and winter, sustained winds funnel through the pass and slam the flat inland basin, forcing dust and embers through attic vents, ridge caps, and any gap in the building envelope. In late summer, the pattern flips: brief monsoon thunderstorms dump an inch of rain in an hour onto clay-heavy soil that doesn’t drain quickly, so water pools against slab foundations and wicks upward into drywall and framing. The same property can face wind-driven fire risk in October and flash-flood intrusion in August.
The housing stock adds another layer. Ontario’s older neighborhoods, especially around downtown and the historic citrus belt, are full of early-1900s bungalows and post-WWII tract homes. Those houses often still have original galvanized supply lines, aging knob-and-tube or cloth-wrapped wiring, and low-pitch or flat roofs that give wind and water an easy entry point. Newer stucco subdivisions along the 91758 corridor and out toward the east side have their own issues: tighter envelopes mean smoke and odor take longer to ventilate, and synthetic materials produce a different, more toxic smoke profile when they burn. Restoration in Ontario always comes back to the same thing: wind on one side, water on the other, and older bones in between.
Restoration work we handle






Our Main Ontario Services
Most of the calls we take in Ontario start as one emergency and reveal another. A water heater lets go in a 1960s tract home, and once we open the wall we find the original galvanized lines are ready to fail too. A roof leak from a Santa Ana windstorm soaks a ceiling, and by the time we’re done drying it, the moisture meter shows elevated readings in the adjacent cavity. That’s why we handle the full damage chain under one roof.
Water Damage Restoration in Ontario
Water intrusion in Ontario doesn’t behave the way it does in coastal cities. The clay-heavy soil swells and holds water against slab edges, and the flat basin terrain means runoff from City of Ontario streets and neighboring lots can back up against your foundation. We extract first, then measure. Our Water Damage Restoration in Ontario service runs on Dri-Eaz and Phoenix drying systems with daily moisture documentation, not guesswork. The older homes here, especially the 1950s tract stock in the 91762 ZIP, often hide supply-line leaks behind original plaster walls. We find them with thermal imaging before they become mold problems.

Mold Remediation in Ontario
Monsoon season in Ontario creates the exact conditions mold thrives in: a sudden water event, a hot house, and a tight building envelope that traps humidity. When water from an August thunderstorm wicks into a slab foundation or soaks into drywall, the clock starts. Our Mold Remediation in Ontario service follows IICRC-certified containment and air-scrubbing protocols. Ontario’s east-side tract homes are especially prone to attic mold after Santa Ana wind events, because wind-driven dust and grit through the vents carries organic material that feeds growth once moisture gets in. We test, contain, remove, and clear, and we document every reading.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Fire Damage Restoration in Ontario
Fire damage in Ontario is a different animal than in coastal Los Angeles County. When a kitchen fire or an electrical short ignites in an older Ontario home, the smoke and soot travel through the same pathways the Santa Ana winds exploit all year: attic vents, wall cavities, and the gaps around windows and doors. What follows is a house full of aerosolized plastic, insulation, and drywall dust that’s been forced into every surface by wind pressure. We handle the full Fire Damage Restoration process, from board-up and structural assessment to final smoke odor removal and air clearance, and we understand that in Ontario the wind is part of the damage picture, not just the fire itself.
Smoke Damage Restoration
Signs you need it
Yellowish soot staining on walls and ceilings, a persistent campfire smell that gets stronger when the AC kicks on, and fine black dust collecting on vertical surfaces.
What it costs in Ontario
Smoke damage restoration in Ontario typically runs $1,200 to $5,500 depending on whether the smoke moved through the attic and ductwork or stayed near the source of the fire.
How we do it
We run HEPA air scrubbers to pull suspended soot from the air, then clean every affected surface with a dry-soot sponge technique before using hydroxyl generators or ozone (in contained, unoccupied spaces) to break down the odor molecules.
Fire Damage Cleanup
Signs you need it
Charred framing, exploded drywall from heat exposure, collapsed ceiling sections, or a layer of soot so thick you can write your name in it on any flat surface.
What it costs in Ontario
Fire damage cleanup in Ontario, including debris removal and thorough soot washing, typically ranges from $1,500 to $7,500 depending on the square footage burned and how far the soot traveled.
How we do it
We establish containment to keep soot from migrating to clean rooms, remove unsalvageable materials to a disposal trailer, and wash every remaining surface with the correct chemical agent for the soot type, not a generic degreaser.
Smoke Odor Removal
Signs you need it
The smell returns every time the house heats up or the HVAC cycles, and it’s settled into closets, cabinets, and textiles no matter how many times you’ve aired the place out.
What it costs in Ontario
Smoke odor removal in Ontario generally falls between $800 and $3,000, but it climbs when the odor has penetrated the HVAC ducts and requires full duct cleaning and sealant.
How we do it
We target odor molecules where they live, using thermal fogging to open and then seal surfaces, hydroxyl technology to oxidize residual VOCs, and duct cleaning when the source is the HVAC system.
What Fire Damage Restoration Costs in Ontario
| Item | Typical range in Ontario |
|---|---|
| Emergency board-up and tarping | $500 – $1,500 |
| Soot and smoke cleanup | $1,200 – $5,500 |
| Full fire damage cleanup, including debris removal | $1,500 – $7,500 |
How fast can Flood Guard get to my Ontario home after a fire?
We dispatch from our Rancho Cucamonga base and typically arrive at Ontario addresses in under an hour. The first priority is securing the structure; the second is starting the soot and odor clock before it sets into paint and drywall.
Does homeowners insurance cover fire damage restoration in Ontario?
Yes, fire is a covered peril on standard California homeowners policies. We photo-document every step of the loss and work directly with your adjuster, which means you aren’t stuck translating moisture readings and soot photographs to an insurance desk on your own. Call (844) 716-1094 and we’ll start that documentation at the first visit.
Brands We Service in Ontario
Flood Guard Water Damage works on homes of every era in Ontario, from citrus-era bungalows near downtown to early-2000s stucco tract builds along the 91758 corridor. Our local supply runs in the Inland Empire keep our brands of professional restoration equipment, including Dri-Eaz and Phoenix drying systems, ready for same-week deployment across every Ontario ZIP code we cover.
See the difference
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After
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After
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AfterPricing for Restoration Company in Ontario, CA
| Service | Typical range in Ontario |
|---|---|
| Emergency water extraction / mitigation | $3,000 – $6,000 |
| Emergency board-up and tarping after fire | $500 – $1,500 |
| Full water damage restoration, including drying | $7,500 – $18,000 |
| Mold remediation / removal | $500 – $6,000 |
| Mold inspection + moisture survey | $200 – $500 |
| Crawl space moisture control | $2,500 – $6,500 |
| Water heater leak repair and cleanup | $1,200 – $5,500 |
| Sewage cleanup | $1,000 – $4,000 |
| Smoke damage restoration | $1,200 – $5,500 |
| Soot and smoke cleanup after a house fire | $1,200 – $5,500 |
| Fire damage cleanup, including debris removal | $1,500 – $7,500 |
| Smoke odor removal | $800 – $3,000 |
In Ontario, price moves most when an older home’s original materials force us to open walls that newer construction wouldn’t require, or when monsoon water has been sitting against a slab foundation for days before anyone notices. We give you a written scope of work before we start, with exact line items, so the number you sign is the number you pay, not the opening bid.
Neighborhoods We Serve in Ontario
Flood Guard Water Damage covers all of Ontario, from the historic downtown core and the citrus-era streets of the 91762 and 91764 ZIP codes to the newer subdivisions out toward the 91758 corridor and the east side. Our Rancho Cucamonga base puts us close enough that Ontario emergency calls don’t get routed through some call center seventy miles away.
- Downtown Ontario and the Historic Core
- Citrus Grove and South Ontario
- North Ontario near the I-10 and California Speedway
- East Ontario and the Archibald Ranch corridor
- New Model Colony development area
Service Area – Cities Near Ontario
Beyond Ontario, we run routes up into Montclair, CA and Upland, CA along the foothills when wind-driven damage hits, and down into Chino, CA and San Antonio Heights, CA when the heavier storm systems move through. The wind corridor and the monsoon pattern don’t stop at the city limit, and neither do we.
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 Restoration Company in Ontario
We’re based in Rancho Cucamonga, which puts most Ontario addresses within a 20 to 30 minute drive in normal traffic, and faster on the 10 or 60 during off-hours. Emergency dispatch line is live at (844) 716-1094, and the first truck out the door usually carries extraction equipment and a moisture meter, not just a clipboard.
For emergency mitigation like water extraction, drying, and board-up, no permit is required. When work moves into reconstruction, which we coordinate with our licensed contractors, the City of Ontario’s building department may require permits for structural changes. The restoration phase, which is what we perform, is not permit-triggering.
Yes. We photograph everything, write the scope in the language adjusters expect, and send documentation directly to your carrier. What that means for you in Ontario is that the moisture readings, the soot mapping, and the line-item pricing all get submitted in a format an adjuster can approve without a second visit.
If you’re dealing with water, mold, or fire damage anywhere in Ontario, call Flood Guard Water Damage at (844) 716-1094. We’ll tell you exactly what we’re looking at, what it costs, and what happens next. No estimate, no obligation, and a real person on the line.
What happens when you call
- 1A real person answersNo phone trees — talk to a local damage restoration pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Ontario Customers Say
"Third party air clearance test at the end, at their suggestion, so we had proof rather than just their word."
— Daniela Morales"Dealt directly with the insurance adjuster and documented everything with photos and readings. Our claim went through without a single dispute."
— Tracy Sullivan"Took moisture readings every day and logged them, and only pulled the drying equipment when the numbers said it was actually dry rather than on a fixed schedule."
— Emily Meyer