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
Chimney sweeping in Ontario runs about $220 – $380 for a standard open fireplace cleaning, and most Ontario homes can be on the schedule within a few days. We work the same streets you do, from the tract neighborhoods off Euclid Avenue to the newer subdivisions near the 60, and we know exactly what Ontario chimneys go through after a Santa Ana event. If you’ve got a fireplace that hasn’t been touched in a few seasons, call (855) 382-6159 and we’ll tell you straight what you’re looking at, before anyone shows up with a brush.
Ontario isn’t like the mountain towns where chimneys get hammered by four months of hard burning. Here, it’s the wind season and the old factory-built fireplaces that drive most of the work we do. Our Chimney Sweep team serves Ontario ZIPs 91764, 91798, 91758, and 91761 weekly, and we carry the parts that Ontario tract homes actually need, not whatever’s on the truck that day.
Why Corona Chimney Sweep Is Ontario’s Preferred Chimney Sweep Company
We repair what we find. That’s the difference in Ontario, where a lot of homes have original 1950s and 1960s fireplaces that haven’t been inspected since the day they were built. Sweep-only crews will hand you a list of problems and tell you to call somebody else. We don’t do that. The same technician who finds a cracked clay-tile flue in your Ontario home is the one who can line it, cap it, and put it back in service.
Ontario homeowners call us because they want a straight answer on whether the flue is actually dangerous or just dirty. Nolan Ferris built the company on a simple rule: no recommendation without camera evidence the homeowner can see. When we tell an Ontario customer they need a liner or a crown repair, we show them the live footage from the inspection camera first. If the flue just needs a sweep, that’s what we say. No upsell games.
We also know the Ontario housing stock in detail. The postwar single-story stucco homes in 91761 and 91764 have their own failure patterns, and the factory-built metal fireplaces in 91762 and 91758 don’t behave like masonry fireboxes. That local knowledge means we don’t waste an Ontario homeowner’s time chasing problems that don’t apply to their setup.
Styles & brands we work with
Chimney Sweep Services in Ontario
Chimney Sweep Services in Ontario means more than running a brush up the flue, especially on the older factory-built fireplaces that dominate the 91761 and 91764 tracts. A proper sweep here starts with a visual check of the firebox, damper, and spark arrestor, then a mechanical cleaning of the flue to remove creosote flakes, soot, and whatever the Santa Ana winds have pushed into the cap. In Ontario, a standard sweep on a fireplace with light use typically runs $220 – $300.
Creosote Removal
Ontario fireplaces that burn mostly decorative Duraflame logs build up first-degree creosote, a dry, flaky coating that actually brushes out fairly cleanly. The problem is when it sits too long and glazes, especially in the clay-tile flues of older Ontario homes. We remove creosote at every stage, but we’ll always tell an Ontario homeowner which stage they’re at before we start, because it changes the cost.
Soot Removal and Firebox Cleaning
Soot removal is the other half of the job: vacuuming the firebox, pulling the debris the wind pushed down the flue, and cleaning the damper assembly. On many Ontario homes we see the original screens and dampers still in place from the 1960s, and those need to be assessed, not just cleaned around.
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.
Chimney Cleaning in Ontario
Chimney Cleaning in Ontario gets busy in October and November, when the first cold nights push homeowners to fire up the gas insert or throw a Duraflame log in the box after months of dormancy. A standard chimney cleaning in Ontario runs $180 – $320, depending on flue condition and how much debris has collected. If your cap is packed with palm fronds or a bird got down the flue, that’s an additional sweep, but we’ll tell you before we start, not after.
Annual Sweep and Level 1 Inspection
For Ontario tract homes that burn lightly and seasonally, one sweep per year is usually the right cadence, and we pair every sweep with a Level 1 inspection as standard. The inspection is where we catch the loose spark arrestor, the rusted cap, the early stage creosote, before it becomes a repair bill. You don’t need to ask for it; it’s part of the job.
Post-Wind Debris Clearing
After a Santa Ana event in Ontario, we get a wave of calls for chimneys that suddenly won’t draft, or worse, that smell like smoke coming back into the living room. Usually it’s the cap packed with eucalyptus leaves, dust, and palm debris, or the spark arrestor clogged so completely that draft reverses. This is a cleaning job, not a repair, and it should be done before your first fire of the season, not after the smoke alarm goes off.
Trusted Brands We Service in Ontario
We install and service materials from contractor-grade lines, not big-box substitutes. That means DuraFlex stainless flexible liners for Ontario homes with complicated flue runs or factory-built fireplaces that need retrofitting, HeatShield resurfacing for clay-tile flues with spalling or hairline cracks, and Olympia Chimney caps and dampers for the wind-driven debris Ontario sees every fall. Because we stock these lines and know them well enough to install them correctly, turnaround on liner work and cap replacements in Ontario is usually measured in days, not weeks.
See the difference
Before
After
Before
After
Before
AfterCommon Chimney Sweep Problems We See in Ontario Homes
- First-degree creosote flaking from light Duraflame use. Ontario homeowners often think decorative logs don’t create creosote. They do, it’s just a dry, flaky stage. Left unbrushed for multiple seasons, it can glaze and become a fire hazard that requires chemical treatment or rotary cleaning to remove.
- Palm fronds and eucalyptus debris packed into caps after Santa Ana events. Ontario’s wind season pushes debris from mature landscaping directly into uncapped or poorly screened flues. We pull palm fronds out of caps on a weekly basis every October and November.
- Rusted or detached spark arrestors on factory-built fireplaces. The original arrestors on 1950s-80s Ontario tract homes corrode and drop rust flakes and creosote onto the firebox floor. These need replacement, not just cleaning around the edges.
- Spalling clay-tile flues from thermal cycling, not heavy wood burning. Even homes that burn only a few times a year get the hot-cold cycling that cracks old tiles. Without a Level 2 camera inspection, these cracks get missed until creosote has already seeped behind the tiles.
Pricing for Chimney Sweep in Ontario, CA
Here’s what Ontario homeowners can expect, with real numbers:
- Standard chimney sweep (open fireplace, light use): $220 – $300
- Chimney cleaning with Level 1 inspection: $180 – $320
- Creosote removal, first-degree (flaky): included in standard sweep; heavy first-degree or glazed creosote adds $100 – $250
- Post-wind debris clearing from cap and flue: $120 – $250 depending on access and how packed the cap is
- Level 2 camera inspection (recommended for older Ontario homes before liner work): $250 – $450
What changes the price in Ontario is the age of the firebox and the condition of the clay-tile flue underneath it. A clean 1980s tract house takes less time than a 1958 original with spalling tiles. Either way, the estimate is free and we give you the number before we touch the brush. Call (855) 382-6159 and we’ll walk you through it over the phone.
We Also Serve Cities Near Ontario
Our service area runs north and east from Ontario into the surrounding Inland Empire communities. We sweep regularly in Montclair, Upland, Chino, and San Antonio Heights, where the housing stock and wind patterns are similar to Ontario’s. If you’re in one of those cities, the same crew covers you, and the same camera-verified standards apply.
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. Decorative logs still produce first-degree creosote, and in Ontario’s older tract homes, the bigger risk is not the buildup, it’s what’s already wrong with the flue: rusted spark arrestors, cracked clay tiles, or birds nesting in an uncapped flue. A Level 1 inspection catches these in 30 minutes, and it’s included with every sweep we do in Ontario. If you haven’t had eyes on the flue in years, that’s the time to do it, not after a Santa Ana event backs smoke into your living room. Call (855) 382-6159 to get on the calendar.
Santa Ana winds in Ontario push debris from mature palm and eucalyptus trees directly into uncapped or poorly screened flues, and the original spark arrestors on older tract homes often aren’t fine enough to stop it. The fix depends on what we find: a properly sized Olympia Chimney cap with a debris screen solves it permanently in most cases. We can show you the footage of exactly what’s in your cap before we recommend anything.
Yes, we sweep factory-built fireplaces all over Ontario’s 91761 and 91764 neighborhoods. These systems use different flue materials and attachment points than masonry chimneys, so we use poly brushes sized for the metal liner, not the wire brushes some crews default to. The important Ohio thing is to have the spark arrestor and termination cap checked at the same time, since those are the parts that fail first on older units.
First-degree creosote is the dry, flaky, mostly harmless stage that brushes out with standard sweeping. In Ontario, where most fireplaces burn lightly and seasonally, this is the stage we usually find. But if first-degree creosote sits through multiple seasons in a clay-tile flue, it can heat up during occasional use and convert to the second-degree stage, which is harder and stickier. The point for Ontario homeowners: sweep it while it’s still flaky and the cost stays low.
Depends entirely on what the camera shows. If the clay tiles are cracked, spalled, or have gaps where mortar has failed, we’ll recommend a liner, typically DuraFlex or a HeatShield resurfacing, depending on the flue’s condition. But we won’t recommend a liner on a healthy tile flue, and we’ll show you the footage either way. That’s the entire point of our process: nothing gets sold that you haven’t personally seen with your own eyes. Call (855) 382-6159 for an honest read, free.
A word on safety before you book in Ontario: chimneys and venting systems carry fire and carbon monoxide risk when they’re blocked or deteriorating, and the mechanical work on a flue liner, cap, or damper is not a weekend DIY job. If you suspect your chimney is not drafting properly, don’t keep burning. Get it inspected by a trained professional. We serve Ontario and the surrounding Inland Empire, and we’ll give you a straight answer, camera evidence included.
Written by Nolan Ferris, Owner at Corona Chimney Sweep, serving Ontario and the Inland Empire with chimney sweeping, repair, and dryer vent service.