Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Chimney Sweep Across Ontario
A chimney sweep in Ontario, CA typically costs $180 – $340 for a standard cleaning and inspection, and in most cases we can have a technician to your home within a few days of your call. Ontario’s housing stock is unique: thousands of 1950s – 1970s tract homes with original brick fireplaces and clay-tile flues that are now 50+ years old. Those flues were built for occasional fires, not decades of use, and most have never been camera-inspected. That’s where we come in.
Our Chimney Sweep team works across Ontario every week, from the older neighborhoods near Euclid Avenue to newer developments east of the 15. If you’ve got a fireplace that hasn’t been looked at in years, or you just bought a home in Ontario and want to know what you’re dealing with, call (833) 467-7685 and we’ll walk you through it.
Why Ontario Chimney Is Ontario’s Preferred Chimney Sweep Company
We’re built around one simple idea: you should see what we see. Every sweep we perform in Ontario includes a camera inspection at no extra charge, and we’ll show you the footage on-screen before we recommend anything. If your flue is clean and sound, we’ll tell you that. If it’s cracked, we’ll show you the crack. No guesswork, no scare tactics.
Our customers in Ontario keep calling us back because we treat a chimney sweep as a diagnostic visit, not a checkbox. Al Vickers founded Ontario Chimney with a simple standard: use professional-grade materials like DuraFlex, HeatShield, and Copperfield components, and stand behind the work. Homeowners near the Ontario Mills area, off South Euclid, and through the neighborhoods west of Grove Avenue have come to expect that from us.
We serve Ontario directly. No third-party dispatch, no subcontractors. The technician who shows up is trained on our equipment and our standards, and they’ve likely been on your street before.
Styles & brands we work with





Chimney Maintenance in Ontario
Chimney Maintenance in Ontario is a different job than it is in colder, wetter climates. Here, the long dry season from April through November means fireplaces sit idle for months. Birds move in. Bees build hives. Palm fronds and tumbleweeds drop down uncapped flues. A maintenance visit in Ontario is partly cleaning and partly clearing out whatever moved in while you weren’t looking.
We recommend an annual maintenance sweep for any Ontario home that uses its fireplace at all, even occasionally. A standard maintenance visit runs $180 – $280 and includes a visual and camera inspection of the flue, smoke chamber, damper, and cap.
Seasonal Readiness Checks
Most Ontario homeowners fire up the fireplace for the first time in November or December. That first burn is when latent problems show up: a damper that won’t seal, a flue blocked by nesting material, a Santa Ana downdraft pushing smoke into the room. A pre-season check in October catches these before you’re sitting in a smoky living room.
Routine Flue Conditioning
For homes that burn regularly during the winter months, we condition the flue with each visit: removing soot, checking for glaze-stage creosote, and documenting the liner’s condition so we can track changes year over year. You’ll get a photo report after every visit.
Chimney Sweep Services in Ontario
Chimney Sweep Services in Ontario start with the basics: removing soot, creosote, and debris from the flue and smoke chamber, then verifying the draft and checking every component from the firebox to the cap. A standard sweep for a single fireplace runs $180 – $340 depending on the level of buildup and the condition of the flue.
But here’s what we do differently: every sweep includes a camera inspection. We don’t just brush and go. The camera shows us what the brush can’t reach, and it shows you too.
Creosote and Soot Removal
Ontario’s recreational fireplaces produce more soot than creosote, since most fires are short and occasional rather than all-day heating burns. That said, certain woods and low-temperature fires can still leave sticky, flammable creosote deposits. Our brushes and rotary tools handle all three stages of creosote, and we’ll tell you what we found and what it means.

Fireplace Cleaning and Damper Service
The damper is the most overlooked component in Ontario fireplaces. A warped or rusted damper that won’t seal is why Santa Ana winds push soot and ash into living rooms. We clean, lubricate, and adjust dampers as part of the sweep, and we’ll flag replacement options if yours is beyond service.

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
When a chimney in Ontario needs more than a sweep, the materials matter. We stock and install components from Famco and Copperfield for dampers and caps, and we’re certified applicators for HeatShield ceramic flue resurfacing. For relining jobs, we use DuraFlex flexible stainless steel liner systems. These are the brands professional chimney technicians specify, not hardware-store substitutes. Because we keep common parts on hand and serve Ontario directly, we can often complete repairs in a single visit without waiting on shipping.
Common Chimney Sweep Problems We See in Ontario Homes
- Active bird and bee nests in uncapped flues – Ontarios long dry season means fireplaces sit unused from spring through fall. Birds, rodents, and bees move in. We’ve pulled full nests out of flues on homes just off Euclid Avenue, and in some cases the blockage was so complete the fireplace wouldn’t draft at all.
- Cracked clay-tile liners on 1950s – 1970s tract homes – Thousands of Ontario homes were built by developer Henry N. Lash and others in the post-WWII boom, with clay-tile flues that are now 50+ years old. Heat expansion from Inland Empire summers plus normal aging means cracked tiles are common, and you won’t see them without a camera.
- Santa Ana downdrafts pushing soot into living rooms – When high winds hit an uncapped or poorly sealed stack, the pressure differential forces air down the flue. Soot and ash end up on your mantel and furniture. This is often misdiagnosed as a dirty chimney, but the real cause is usually a missing cap or a damper that won’t seal.
- Debris accumulation during the dry season – Palm fronds, tumbleweeds, and wind-blown trash collect in uncapped flues across Ontario’s dry months. By the time you light your first fire in November, the flue might be partially blocked. We clear it and recommend a cap if one’s missing.
See the difference
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After
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AfterPricing for Chimney Sweep in Ontario, CA
A standard chimney sweep and camera inspection in Ontario typically runs $180 – $340 for a single fireplace. That range covers the differences in flue condition, access, and buildup. If we find a blockage like a bird nest or debris fill, expect the lower-to-middle end of that range plus a small debris removal fee, usually $40 – $75.
What affects the price? If your flue has heavy third-degree creosote, we’ll need rotary tools and more time, which pushes toward the upper end. If your damper needs replacement, that’s a separate line item we’ll quote before doing any work. You’ll always know the number before we start, not after. Call (833) 467-7685 for a free estimate on your Ontario home.
We Also Serve Cities Near Ontario
Based in Ontario, our Chimney Sweep in Ontario team regularly serves nearby communities throughout the western Inland Empire. We handle sweeps, inspections, and repairs for homeowners in Montclair, Upland, Chino, and San Antonio Heights. If you’re in one of these cities, you’ll get the same camera-verified service and the same straight talk we give our Ontario customers.
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 Chimney Sweep in Ontario
Santa Ana winds create a pressure differential that forces air down an uncapped or poorly sealed chimney, pushing soot and ash through the flue and into your living space. The usual culprits are a missing chimney cap or a damper that doesn’t seal fully. We diagnose this with a camera inspection and fix it with a proper cap or damper replacement. Call (833) 467-7685 if this happens to you; it’s a common Ontario problem and it’s fixable.
Yes. Ontario homes from the 1950s – 1970s boom, including many built by Henry N. Lash, came with clay-tile flues that are now 50+ years old. Cracked tiles are common even when the fireplace looks fine from below, and a crack lets heat and combustion gases reach the chimney’s structure. A camera inspection takes minutes and shows you exactly what’s happening inside your flue. We include it with every sweep, and we’ll show you the footage before recommending anything.
It’s common in Ontario, but it’s not safe. During the long dry season when fireplaces sit unused, birds and bees regularly nest in uncapped flues across the city. A bird nest packed against a hot flue is a fire hazard, and bee removal may require a separate pest service before we can sweep. We’ll identify what’s in your flue during the inspection and let you know the next step. If you haven’t checked your chimney in years, call (833) 467-7685 and we’ll take a look.
Yes, with the right equipment. Third-degree or glazed creosote is hard and tarlike, and standard brushes won’t remove it. We use rotary cleaning tools with whips and chains that break it loose without damaging the liner. In Ontario, third-degree creosote is less common than in colder climates where people burn daily, but it still shows up in homes that burn green or unseasoned wood. If we find it, we’ll show you on camera and clean it properly.
Yes, and in Ontario the dry season makes this especially true. Fireplaces that sit unused for months are exactly the ones where birds, bees, and debris build up undetected. The first fire of the season is when those blockages become dangerous. An annual inspection also documents your flue’s condition so you can track cracks or deterioration over time. It’s less expensive than a repair, and a basic sweep-plus-inspection starts at $180. Call (833) 467-7685 to schedule yours.
Call Ontario Chimney for Your Sweep in Ontario, CA
If your Ontario fireplace hasn’t been swept in the last year, or if you’ve never seen the inside of your flue, let’s fix that. We’ll sweep it, camera-inspect it, show you what we found, and give you honest options. Nothing gets recommended that you haven’t seen with your own eyes. Call (833) 467-7685 for a free estimate, or to ask a question about your chimney before you book.
Written by Al Vickers, Owner at Ontario Chimney, serving Ontario and the western Inland Empire.