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 runs $169 – $289 for a standard cleaning with Level 1 inspection, and most homes near the 10 Freeway or Euclid Avenue can be scheduled within a week. We work throughout Ontario’s zip codes 91764, 91761, 91758, and 91798, and our techs know the difference between the 1950s masonry fireplaces near downtown and the metal fireboxes in newer tracts south of the 60. Call (833) 467-6493 and we’ll give you a straight answer before we ever set foot in the house.
Why Glendale Chimney Sweep Is Ontario’s Preferred Chimney Sweep Company
Ontario homeowners call us because we don’t treat every chimney the same way. A brick fireplace on a 1950s ranch near Holt Boulevard needs different tools and a different eye than a factory-built unit in a 1990s tract off Archibald. Our techs have swept both, hundreds of times, and they know what Ontario’s specific housing stock throws at them before they ring the doorbell.
The reviews from Ontario customers point to the same thing: we show camera footage before recommending anything. That matters here because Ontario has a real problem with upsell-driven liner replacements on older homes. Some companies will quote a $4,000 relining job on a clay-tile flue that’s perfectly serviceable. We won’t. If we recommend work, you’ll see the crack, the spalling, the glaze creosote on the video with your own eyes. Noel Tarkanian built this company on that standard, and our Ontario customers mention it constantly.
We also stock parts and materials locally for Ontario jobs. Need a Famco or Copperfield component for an older fireplace? We can usually have it on the truck without a second visit. That keeps turnaround tight for Ontario homeowners who don’t want to stretch a simple sweep across two appointments.
Styles & brands we work with





Chimney Sweep Certified in Ontario
Chimney Sweep Certified work in Ontario means a sweep that accounts for what actually happens inside the flues here: heavy December-through-February use, followed by months of idle heat, then Santa Ana winds that shove debris into caps and chase covers. A certified sweep in Ontario should remove creosote, soot, and blockages, then inspect the flue, smoke chamber, and firebox with a camera. You’ll pay $169 – $289 for a standard sweep and Level 1 inspection on most Ontario homes. If the chimney hasn’t been cleaned in years, or if you’ve been burning fire logs during no-burn days, expect the higher end of that range because the creosote will be denser.
Creosote and Soot Removal
Ontario’s burn restrictions create a specific problem. When no-burn days hit, homeowners burn whatever they have: unseasoned wood, manufactured logs, whatever’s stacked in the garage. That combination produces exactly the kind of dense, glazed creosote that standard brushing won’t remove. We use rotary sweeping heads and, when needed, chemical treatments to break down third-degree glaze. No brush-only shortcut gets that out, and any company telling you otherwise hasn’t swept many Ontario chimneys.
Annual Sweep and Level 1 Inspection
An annual sweep and Level 1 inspection is the baseline for any Ontario home with a working wood-burning fireplace. We run the camera during the sweep, not after. That’s the difference. You see the before and you see the after. If the flue is clean, you’ll see that too. Ontario’s heating season is short but intense, and inspecting once a year after burning season ends catches problems before they sit through another hundred-degree summer.
Gas Fireplace Cleaning in Ontario
Gas Fireplace Cleaning in Ontario covers the glass, logs, burner, and venting on factory-built gas units and gas inserts, and it typically runs $149 – $229 depending on the fireplace type and how long it’s been since the last service. These units don’t produce creosote, but they do collect soot, dust, and sometimes spider webs inside the burner assembly, which affects flame pattern and can cause incomplete combustion. Most Ontario gas-fireplace owners should have a cleaning and safety check every two years, or annually if the fireplace runs daily through winter.
Gas Log and Burner Service
We remove the glass, clean the ceramic logs, inspect the burner ports, and check the venting for obstructions. Ontario’s dry, dusty summers mean a surprising amount of fine grit gets into gas fireplaces that sit unused from May through October. A quick cleaning restores proper flame color and keeps the burner from clogging. We also check for signs of carbon buildup and confirm the pilot assembly is functioning correctly.
Prefab Metal Firebox Sweeping
Ontario tract homes built in the 1980s through 2000s almost always have factory-built metal fireboxes, and those cannot be swept with the same wire brushes used on masonry chimneys. The manufacturer specifies the brush type and the inspection points. We sweep these with manufacturer-compliant methods and inspect the refractory panels, damper, and vent pipe. Skipping this distinction is a fast way to damage a prefab unit, and Ontario has thousands of them.
Trusted Brands We Service in Ontario
Ontario customers get straight answers about materials because we name the brands we use. We work with DuraFlex flexible liner systems for retrofit flues in older or offset chimneys, and we apply HeatShield to resurface deteriorating clay-tile liners without tearing out the original structure. Need a Famco or Copperfield component? We can source it fast. That’s the point: Chimney Sweep work shouldn’t be a mystery. You should know exactly what’s going into your home and why. Professional-grade materials, disclosed by name before any work begins.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Ontario Homes
- Glazed third-degree creosote from no-burn-day burning habits. When Ontario homeowners burn unseasoned wood or fire logs during South Coast AQMD restrictions, the creosote that forms is dense and hard. Standard brushing won’t touch it. We use rotary heads and chemical treatments, then show you the before and after on camera.
- Cracked clay tile flues in 1950s and 1960s masonry chimneys. The older neighborhoods around downtown Ontario and along Holt and Euclid have chimneys that have survived 60-plus hot-cold cycles. Hairline cracks and spalling mortar in the smoke chamber are common. Not every crack needs a liner. We’ll show you the footage and tell you plainly if it can wait.
- Improper sweeping of prefab metal fireboxes in newer tracts. Ontario’s 1980s – 2000s subdivisions south of the 60 have factory-built fireplaces that need manufacturer-specific brushes and inspection methods. A generalist with a masonry brush can damage the refractory panels. We use the right method for the unit, every time.
- Debris and soot driven into caps by Santa Ana winds. October through January winds push leaves, dirt, and fine debris into Ontario chimney caps and flues. That debris becomes a draft obstruction and a fire hazard when burning season starts. A pre-season sweep clears it before your first fire.
Pricing for Chimney Sweep in Ontario, CA
A standard chimney sweep with Level 1 inspection runs $169 – $289 in Ontario. Gas fireplace cleaning runs $149 – $229. If your chimney has heavy glaze creosote from fire-log use, expect the higher end because our techs spend more time on rotary sweeping and chemical treatment. Masonry chimneys from the 1950s cost slightly more to sweep than prefab units because the flues are taller and the smoke chambers require extra attention. We give a firm quote before any work starts. No surprises, no upsell pressure. Call (833) 467-6493 and we’ll walk you through what your specific fireplace type typically costs in Ontario, then schedule a free estimate if you want exact numbers.
We Also Serve Cities Near Ontario
We work across the Inland Empire, including Montclair, Upland, Chino, and San Antonio Heights. If you’re in any of those areas and looking for a Chimney Sweep in Ontario, we can help. Same camera-verified standard, same brand-specific materials, same straight answers.
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
Yes. A 1950s masonry chimney in Ontario has been through decades of hot-cold cycling, and the clay-tile flue may have hairline cracks or spalling mortar that you can’t see from the firebox. We run a camera during every sweep. If the flue is clean and intact, you’ll see that on video. If there’s damage, you’ll see exactly where and how bad it is before we recommend anything. Call (833) 467-6493 to book a sweep with inspection.
No-burn days push Ontario homeowners toward unseasoned wood and manufactured fire logs, and both burn cooler and dirtier than seasoned hardwood. The result is dense, glazed creosote that hardens quickly in clay-tile flues. Standard brushing won’t remove it. Our techs use rotary sweeping and chemical treatments to break down third-degree glaze, then show you the camera footage so you’re not taking our word for it. If you’ve been burning through no-burn days, don’t wait until peak season to have the flue inspected. Estimates are free.
The tools and inspection points are entirely different. Masonry chimneys from Ontario’s older neighborhoods get wire brushes sized to the flue dimension and a full smoke-chamber inspection. Factory-built metal fireboxes in 1980s – 2000s tract homes require manufacturer-specific brushes and inspection of the refractory panels, damper, and vent pipe. Using a masonry brush on a prefab unit can score the metal and void the warranty. We match the method to the fireplace, not the other way around. Call (833) 467-6493 and tell us what you have; we’ll quote accordingly.
Yes. Gas fireplace cleaning in Ontario runs $149 – $229 and covers the glass, logs, burner, and venting. Most gas fireplaces should be cleaned every two years, or annually if they run daily through winter. Ontario’s dry summers leave fine dust and grit in burners that sit idle for six months, and that grit affects flame quality and combustion. If your flame looks yellow or lazy, it’s time for a service call.
Because Ontario has older chimneys that are targeted by liner-replacement upsells, and you shouldn’t spend thousands of dollars on a repair you can’t see. We run a camera during every sweep and show you the footage: clean flue, cracked tile, glaze creosote, whatever’s there. Noel Tarkanian’s policy is simple: no recommendation without evidence you can watch yourself. If the flue is fine, we’ll tell you it’s fine and you’ll save the money. If it’s not, you’ll see exactly why. Call (833) 467-6493 for a free estimate, and you’ll get the same camera-verified standard on your Ontario home.
Written by Noel Tarkanian, Owner at Glendale Chimney Sweep, serving Ontario’s older masonry and newer tract homes with camera-verified chimney sweeping, repair, and dryer vent cleaning.