Fast, Reliable Reconstruction & Cleanup Across Ontario
Reconstruction and cleanup in Ontario, CA typically means a full rebuild after water, fire, or wind damage has already done its worst. A mid-sized drywall and flooring rebuild in Ontario runs roughly $4,800-$9,200, and most projects can be started within days of claim approval. Our crews know the housing stock here: the 1950s stucco tract homes west of Euclid, the tighter new construction in Ontario Ranch, and everywhere in between. Call (888) 737-2439 and a live dispatcher picks up, any hour, every day.
What matters in Ontario is that the crew doing the rebuild understands what the water or fire actually did to the structure before they hang drywall over it. That’s the difference between a repair that holds and a repair that fails eighteen months later. We serve Ontario from dispatch and scheduling out of our Inland Empire Riverside-San Bernardino office, with crews in the city daily.
Why Floodline Restoration Co. of California Is Ontario’s Preferred Reconstruction & Cleanup Company
Ontario homeowners keep our number because we do what we say, in writing. The Reconstruction & Cleanup crew that starts your job is the same crew that finishes it. No mid-job handoff to a sub we’ve never met. The 90-Day Done Right Promise, our Keystone Standard, is given to every Ontario customer on paper before work starts. If something’s not right within 90 days, we make it right. No arguing, no paperwork battles.
We’ve had people invite us back for a second and third job because the first one was finished clean and the bill matched the quote. That’s the reputation that matters in a city the size of Ontario, where word travels fast through neighborhoods like the ones around Chaffey High or the older grid north of Holt Boulevard. Background-checked, uniformed technicians show up when they say they will. That’s not a slogan. That’s how Curt Bowman built this company since founding it in 2010.
Live dispatch matters when a sewage backup or fire damage hits at 2 a.m. in the 91762 ZIP. You get a person, not a voicemail. A certified crew reaches Ontario fast, extraction starts the same visit, and the rebuild scope is documented for your carrier from day one.
Our Reconstruction & Cleanup Services in Ontario
Full-Service Reconstruction
When a hallway floods from a burst galvanized supply line in a 1960s tract home off Euclid Avenue, the work doesn’t stop when the water is extracted. We rebuild the room: framing where needed, drywall, texture, paint, trim, and flooring. Because we handle the whole job, your Ontario home goes from stripped studs to finished room without you coordinating three different contractors. Most single-room rebuilds in Ontario run $6,500-$11,000 depending on flooring type and cabinetry.

Drywall & Flooring Repair
Water and fire damage in Ontario’s older tract homes typically means cutting out saturated drywall, treating the cavities, and replacing flooring down to the subfloor. We match texture on mid-century walls and repair or replace oak-laminate flooring common in 91762 and 91764 homes. A typical drywall and flooring repair after a supply-line leak in Ontario runs $3,200-$6,800. We write the scope before we cut anything.

Contents Restoration & Pack-Out
When a fire in a Chino-adjacent Ontario neighborhood damages more than the structure, we pack out, clean, and store your belongings until the rebuild is done. Upholstered furniture, clothing, books, electronics: each gets the right treatment. Our contents crews document everything for your insurance carrier. The pack-out process for a typical single-family home in Ontario runs $2,500-$5,500 depending on volume and soot exposure.

Carpet & Upholstery Cleaning
After reconstruction dust settles, carpets and upholstery hold the evidence. We clean them properly with professional equipment, not a rental machine from the grocery store. Deep cleaning carpet in a typical Ontario living room runs $180-$320. Senior and veteran customers always receive the 5% discount we’ve offered for years.

What happens when you call
- 1
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.
Trusted Brands We Service in Ontario
We run Dri-Eaz and Phoenix equipment on almost every Ontario job, because their LGR dehumidifiers and air movers hold up under the workload this city throws at them. Our techs train to IICRC, RIA, and IFA standards, and we stand behind the work with the 90-Day Done Right Promise. Ontario customers don’t have to wait on a parts shipment from across the country or a tech who’s never seen the equipment before. We’re here, we stock what these jobs need, and we answer the phone.
Common Reconstruction & Cleanup Problems We See in Ontario Homes
- Santa Ana wind damage misclassified as water damage. Roof tiles stripped from mid-century homes along Euclid and Mountain Avenue during a fall wind event go unnoticed until winter rain intrudes through the compromised roof. If the wind indicators aren’t photographed at first inspection, the entire reconstruction portion of the claim can be denied.
- Hard-water corrosion in original galvanized supply lines. Ontario’s groundwater is notoriously hard, and 1950s-1970s tract homes in 91762 and 91764 still carry original galvanized pipe. The pipe corrodes from the inside, bursts at an elbow, and floods a hallway or closet. Repair-only scopes miss the fact that the pipe is rotten throughout.
- Mold compression in summer heat. Ontario routinely exceeds 105°F between June and September. That compresses the effective mold-mitigation window to under 24 hours after water intrusion, faster than the coastal standard. Miss that window and a targeted cut-and-dry becomes a full gut and rebuild.
- Ontario Ranch plumbing defect patterns. In the newer 91761 master-planned community, one recurring plumbing defect can show up across hundreds of nearly identical units in quick succession. The reconstruction scope in one unit often informs what the neighbors will need.
Pricing for Reconstruction & Cleanup in Ontario, CA
A fair question, and one we answer in writing before any work begins. Drywall and flooring repair after a typical supply-line leak in an Ontario mid-century home runs $3,200-$6,800. Full single-room reconstruction runs $4,800-$9,200, and multi-room rebuilds after fire or major wind intrusion commonly land between $12,000 and $38,000 depending on square footage and finish level. Contents pack-out and restoration runs $2,500-$5,500 for a typical Ontario single-family home. Carpet and upholstery cleaning runs $180-$420. The factors that move the number are linear feet of affected wall, flooring type, whether cabinets need rebuilding, and how fast the water or smoke was caught. Call (888) 737-2439 for a free, written estimate. We bill the carrier directly, so you’re not playing messenger.
The Ontario Wind-Documentation Sequence That Protects Your Claim
Ontario sits in the direct path of Santa Ana winds accelerating out of the Cajon Pass and across the San Bernardino Valley floor. When those winds strip concrete or clay roof tiles from a 1960s home along Euclid Avenue, nobody notices until the first winter rain arrives weeks later. Water comes through the compromised roof, stains the ceiling, soaks the drywall, and ruins the flooring. By the time a restoration crew arrives, it looks like a water claim. But the true cause of loss was wind. The initial photograph of the broken ridge caps, the directional fascia damage, the debris scatter pattern on the roof: that’s what determines whether the carrier pays for the full reconstruction or denies the structural portion as a maintenance exclusion. In Ontario, we photograph wind indicators before any drying equipment is unloaded. That sequence matters more than almost anything else we do at first inspection in this city.
We rebuilt two rooms in a 1962 stucco tract home off Euclid Avenue in the 91762 ZIP after the original galvanized supply line burst at a corroded elbow. The hallway and master closet flooded with hard-water-scaled water. Our techs extracted with Dri-Eaz LGRs, removed the saturated drywall and oak-laminate flooring, and documented the plumbing failure for the carrier before any reconstruction began. Because the water had sat overnight in 104°F heat, we treated the stud cavities with an antimicrobial before re-rocking and repainting. That’s the standard of care Ontario’s housing stock demands.
We Also Serve Cities Near Ontario
Beyond Reconstruction & Cleanup in Ontario, we run crews through Montclair, Upland, Chino, and Claremont every week. If you’re a few blocks over the city line, the same response time and the same written guarantee apply. Call (888) 737-2439 and we’ll route the nearest crew.
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 - Reconstruction & Cleanup in Ontario
Because Ontario sits in the Santa Ana wind corridor through the Cajon Pass, a roof that lost tiles in October often leaks only when the first winter rain arrives in December, so the loss presents as water damage when the actual cause of loss was wind, and the carrier’s coverage decision for reconstruction hinges entirely on whether those wind indicators were photographed at first inspection before drying equipment was loaded in. Call (888) 737-2439 and we’ll document everything the carrier needs before a single fan runs.
You should expect a full scope that asks whether the rest of the original galvanized line is worth letting live or should be repiped at the same time, because Ontario’s hard groundwater corrodes this legacy pipe from the inside and a repair-only scope on one failed elbow often leaves another failure behind it. A full single-room reconstruction in this housing stock runs $4,800-$9,200, and we write the scope before cutting into anything.
In Ontario Ranch’s 91761 tract, a defect in one unit frequently predates the same defect in dozens of nearly identical neighboring units, so a smart reconstruction scope in your unit includes documenting the failure mode for the carrier and flagging whether the same fitting or line type exists throughout the tract. That documentation strengthens your claim and protects your neighbors. Call (888) 737-2439 and we’ll inspect with the whole tract in mind, not just your unit.
Often yes, if the wind event stripped a limited number of tiles and the underlayment is intact, a targeted tile replacement and flashing repair can be enough; the question is whether the initial photo evidence was sufficient for the carrier to accept the wind cause of loss and cover the interior reconstruction. We photograph ridge caps, fascia, and scatter patterns at first inspection to make that determination clear. Call (888) 737-2439 for a free roof and interior assessment.
Under 24 hours in Ontario, because valley summer heat routinely above 105°F accelerates fungal growth to the point where a targeted cut-and-dry becomes a full gut and rebuild if the window is missed. We run Dri-Eaz and Phoenix LGRs and air movers, and our crews respond the same visit to get drying started. Call (888) 737-2439 as soon as you see water, even late at night; a live dispatcher picks up.
Get a Straight Answer on Your Ontario Reconstruction & Cleanup Project
If you’re looking at a flooded hallway in a 1960s tract home west of Euclid, a roof leak that started after the last Santa Ana wind event, or a fire-damaged room in Ontario Ranch, call (888) 737-2439 for a free, written estimate. We bill your carrier directly. The 90-Day Done Right Promise is in your hands before we start, and our current offers stand: $50 off any repair over $250, the $89 seasonal tune-up, and always a 5% discount for seniors and veterans. Done right, and backed in writing.
Written by Curt Bowman, Owner at Floodline Restoration Co. of California, serving Ontario and the Inland Empire.