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.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
See the difference
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After
Before
After
Before
AfterHow Much Does Chimney Cleaning & Sweep Cost in Ontario?
Chimney cleaning in Ontario, CA typically runs $149 to $289 for a standard sweep, and a full inspection-and-sweep package usually lands between $199 and $389. Heavier creosote (stage 2 or 3 buildup), a wood-burning insert, or a steep roof that needs extra safety gear pushes the price toward the top of that range. Most single-story Ontario homes fall in the $149 to $229 bracket, and we quote the exact number before we climb up.
Call (833) 467-7685 for a free estimate. We’ll tell you what we found, show you the evidence, and give you options.
If you want the full picture of our service before the cost conversation, start with our Chimney Cleaning & Sweep in Ontario page, then come back here for the numbers.
Chimney Cleaning & Sweep Cost Breakdown (2026)
Here’s how prices break down for the Ontario market in 2026. These are line-item ranges, not a single bundled figure, because a chimney sweep and a dryer vent cleaning are entirely different jobs with different equipment.
| Service | Typical Price Range | Notes |
|---|---|---|
| Standard chimney sweep (wood-burning fireplace) | $149 – $229 | Includes flue brush, firebox, damper, and smoke shelf cleanup |
| Sweep + Level 2 video inspection | $199 – $389 | Video scope of the flue interior; standard for a home you just bought |
| Heavy creosote removal (stage 2 or 3) | $289 – $549 | Glazed or tar-like buildup requires chemical or rotary treatment |
| Gas fireplace flue cleaning | $129 – $199 | Gas units need venting and debris checks, not creosote scraping |
| Wood-burning insert cleaning | $199 – $329 | Insert removal and reinstallation add labor |
| Dryer vent cleaning (standalone) | $129 – $249 | Roof or long-run vents and blockage removal push this higher |
| Chimney cap replacement | $189 – $449 | Depends on flue size and whether it’s a single or multi-flue cap |
| Chimney crown repair | $349 – $899 | Cracked crowns let water in; sealing vs. full rebuild changes cost |
| HeatShield flue resurfacing | $1,200 – $2,800 | Ceramic resurfacing instead of a full liner tear-out |
| DuraFlex stainless liner install | $2,400 – $5,500 | Full reline; offset flues and two-story runs land at the top |
The single biggest cost driver is how often the chimney was swept. A flue that’s been brushed every year or two usually comes in at the low end. A neglected chimney with glazed creosote takes more time, more tools, and sometimes a chemical treatment before we can even get the brush through. The second driver is roof access: Ontario has a lot of two-story tract homes built through the 1980s and 1990s, and a tall, steep pitch means more setup for the technician, which shows up in the quote.
Where the work turns into a repair, the cost jumps by an order of magnitude. There’s a reason for that. Your flue handles combustion gases every time you light a fire. It deserves more than a quick brush. A cracked flue tile or a failed crown isn’t a sweeping problem, and patching one with hardware-store caulk is how small problems turn into liner replacement.
What Affects Chimney Cleaning & Sweep Pricing in Ontario
No two chimneys are identical, and the price reflects that. Here are the factors we weigh when we quote a job in Ontario.
- Creosote level. Stage 1 is a light, flaky soot that comes off with a brush. Stage 2 is denser and takes more passes. Stage 3 is glazed, tar-like, and often needs chemical treatment before removal. Roughly a quarter of the fireplaces we inspect across Ontario and the Inland Empire have some stage 2 or 3 buildup, and how much of it we find directly sets the price.
- Roof pitch and access. Flat and low-pitch roofs are quick. A steep, high pitch on a two-story home needs ladders, roof anchors, and a second technician. Homes around the older stretches of Euclid Avenue and downtown Ontario often have single-story roofs, which keeps the price lower than the newer foothill tract neighborhoods.
- Chimney type. A masonry fireplace, a factory-built prefab unit, a wood insert, and a gas log system all get cleaned differently. Prefab metal flues need specific brushes so we don’t damage the liner. Gas flues need venting checks, not creosote removal.
- Number of flues. A chimney with two or three flues (one for the fireplace, one for the furnace, one for the water heater) takes longer than a single-flue stack and is priced accordingly.
- What the inspection turns up. If we climb up and find a cracked crown, a missing cap, or a damaged flue tile, that becomes a separate repair line on your estimate. We document everything with photos before we recommend anything.
- When you call. Our busiest window in Ontario runs from October through February, when fires are lit most nights. Booking a sweep in the spring or summer gets you more scheduling flexibility, and we often have fewer jobs stacked on the calendar.
Do You Need Sweeping and Dryer Vent Cleaning Together?
They’re separate services, but many Ontario homeowners book both in one visit. A standard dryer vent cleaning runs $129 to $249, and bundling it with a chimney sweep on the same trip saves the call-out and the second appointment. Dryer vents are a leading cause of house fires, and the NFPA and U.S. Consumer Product Safety Commission both flag them as a home fire concern worth regular maintenance. We treat dryer vent cleaning as a fire-safety service, not a throwaway add-on. If your vent runs to the roof, that long vertical run is where lint packs tightest.
If you’re booking both, the dryer vent portion usually takes 30 to 45 minutes, and the sweep takes an hour or so depending on creosote and flue count. Most combined visits finish in under two hours.
How to Save on Chimney Cleaning & Sweep
Smart scheduling and a little prevention keep the bill at the low end of the range.
- Book in the off-season. Spring and summer appointments in Ontario are easier to fit, and you avoid the autumn rush when everyone lights their first fire and calls the next morning.
- Bundle the sweep with a dryer vent cleaning. One visit, two services, one trip charge. This is the single easiest way to cut the total.
- Get the annual sweep instead of waiting for a problem. An annual sweep is cheaper than a stage 3 creosote removal, and cheaper than relining a chimney damaged by a chimney fire. That’s the math.
- Keep a cap on the flue. A chimney cap keeps rain, birds, and debris out. Water is the slow killer of masonry chimneys, and a missing cap leads to interior spalling, which leads to a resurfacing or reline bill you didn’t plan for.
- Don’t burn wet wood. Seasoned firewood produces less creosote than green or unseasoned wood. It’s a free way to slow buildup between sweeps.
- Ask for a free estimate. We quote the price before we climb up. Call (833) 467-7685 and we’ll give you the number up front, no surprises when the invoice arrives.
Why Chimney Sweeping Costs What It Costs in Ontario
A sweep done right takes an hour or more, uses professional brushes, drop cloths, and a HEPA vacuum, and happens on a roof where a fall is a real risk. That’s the labor behind the price. It’s not a five-minute brush and a wave goodbye.
We use professional-grade materials, not hardware-store substitutes. When a job needs a chimney cap or damper, we install Gelco and Famco components, the brands chimney professionals specify and you won’t find in a big-box aisle. When a flue needs resurfacing, we’re a certified applicator-level user of HeatShield, a ceramic resurfacing system that restores a structurally sound, code-compliant chimney without the tear-out cost of a full liner job. And when a reline is the right call, we install DuraFlex stainless flexible liner systems, the preferred choice for navigating offset flues that rigid liners can’t get around. We source through Copperfield and Olympia Chimney, two of the largest professional chimney supply distributors in the trade.
This is why we’re a chimney and venting specialist, not a pressure-wash crew that added chimney sweeping to a list. One company handles your sweep, your dryer vent, and any structural repair that comes up, from inspection through completion. You deal with the same trained technicians the whole way, which closes the coordination gap between a cleaner and a contractor.
If the inspection points toward a repair, you’ll want to understand what a proper flue restoration involves before you commit. Our home page gives you the overview of how we work.
FAQs – Chimney Cleaning & Sweep Cost
How much does a chimney sweep cost in Ontario, CA?
A standard chimney sweep in Ontario costs $149 to $229, and a sweep plus a Level 2 video inspection runs $199 to $389. Heavy creosote or a wood-burning insert pushes the price higher. Call (833) 467-7685 for a free estimate, and we’ll give you the exact number for your chimney.
Is it cheaper to repair or replace a chimney liner?
Repair is usually cheaper when the flue is structurally sound but has cracks or gaps, and HeatShield resurfacing typically runs $1,200 to $2,800 versus $2,400 to $5,500 for a full DuraFlex liner install. If the flue tiles are collapsed or badly deteriorated, replacement is the only safe route, and a video inspection tells us which one you’re facing. Call (833) 467-7685 and we’ll show you the footage before we recommend anything.
How often should I get my chimney cleaned in Ontario?
Once a year if you burn fires regularly, or every 50 to 70 fires burned. In Ontario’s dry inland climate, the bigger concern is water intrusion and cracked crowns, so the annual sweep doubles as a yearly check on the masonry. Skipping years lets creosote move from stage 1 to stage 2 or 3, and that turns a $149 sweep into a $289 to $549 job. Call (833) 467-7685 to schedule an annual visit.
Can you clean my dryer vent at the same time as my chimney?
Yes, and it’s the cheapest way to do both. A standalone dryer vent cleaning runs $129 to $249, and bundling it with a chimney sweep on the same visit avoids a second call-out. Roof vents and long runs land at the higher end. Call (833) 467-7685 to book both in one appointment.
Why does my chimney cleaning cost more than my neighbor’s?
Because the two chimneys aren’t the same. Creosote level, roof pitch, flue count, and whether the unit is masonry, prefab, a gas log set, or an insert all move the price. Two houses on the same Ontario street can quote $149 and $349 depending on those factors. Call (833) 467-7685 for an estimate based on your actual flue, not a flat rate pulled off a menu.
What to Expect When We Arrive
We lay drop cloths, set up a HEPA vacuum at the firebox, and work from both the firebox and the roof depending on the flue. You stay in your home. We don’t leave soot behind. After the sweep, we show you what the flue looks like on camera, note any cracks, gaps, or missing caps, and hand you a written estimate before any repair work starts. No pressure, no surprise charges, no parts swapped without your say-so.
For landlords and property managers with multiple Ontario units, we scope each chimney separately and document each one so you have a record for every unit. That matters when you’re managing a portfolio and need to prove maintenance was done.
Get a Free Chimney Cleaning Estimate in Ontario
Ontario Chimney handles sweep, dryer vent, and repair work under one roof, so you deal with one company from inspection through completion. If you’re not sure when your chimney last got cleaned, that’s exactly the time to call. We’ll tell you what we found, show you the evidence, and give you options at prices that match the work. Call (833) 467-7685 for a free estimate and to schedule your sweep.
Pricing reflects the Ontario market as of 2026. Ontario Chimney offers free estimates – call (833) 467-7685.
What Our Customers Say
"Level two inspection before we bought the house. The report was detailed enough to use as a negotiating point and he explained every photo in it."
- Sarah Sullivan"Good work. The written inspection report took about a week to arrive after I asked for it, which was slower than I expected."
- Adriana Morales"Cap keeps the birds out now, which after two springs of scratching noises is worth every penny."
- Tara Novak