Chimney sweep cost: what the $150 to $400 buys
A chimney sweep runs $150 to $400 per flue. What the price includes, how flue count and creosote level change it, and why the cheapest quote is usually the.
A chimney sweep costs $150 to $400 per flue in the US. Two flues run $300 to $800, three run $450 to $1,200, and heavy creosote or difficult access pushes the price to the top of the range.
- One flue
- $150–$400
- Two flues
- $300–$800
- Sweep plus inspection
- $300–$1,200
- Level 1–3 inspection
- $150–$800
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A chimney sweep costs $150 to $400 per flue. That is the whole answer for a single-flue house with routine soot. Everything else in this article is about what moves the number within that range, and what a low quote is actually selling.
If you have two flues, budget $300 to $800. If you want a formal inspection in the same visit, add $150 to $800.
What the price includes
A chimney sweep is the service that removes soot, creosote, and obstructions from a flue and firebox. The standard visit covers brushing the full flue length, cleaning the smoke shelf and damper area, vacuuming the firebox floor, and bagging the debris for removal.
What it does not automatically include: a written inspection report, camera work, crown or cap repairs, and anything that requires getting onto a roof the technician judges unsafe. Those are line items, and they are where a $150 visit turns into a $400 one.
What moves the price
| Factor | Effect on price |
|---|---|
| Number of flues | Each flue is a separate service |
| Creosote level | Glazed or third-degree buildup adds time and chemicals |
| Roof access | Steep pitch, high ridge, or no ladder access adds cost |
| Appliance type | Wood and coal produce more soot than gas |
| Obstruction | Nests, debris, or a collapsed tile add removal time |
| Region | Urban labor rates run above rural ones |
| Season | Pre-winter bookings cost more than spring |
The flue count is the biggest single variable, and it is the one homeowners most often forget. A chimney with a fireplace flue and a furnace flue is two services, not one.
Sweep only versus sweep plus inspection
| Service | What you get | Typical cost |
|---|---|---|
| Sweep only | Clean flue and firebox | $150–$400 |
| Sweep plus Level 1 inspection | Clean flue plus a visual report | $300–$1,200 |
| Sweep plus Level 2 inspection | Clean flue plus camera and accessible attic, crawl, and roof review | Top of the range, plus camera time |
| Inspection only | Report with no cleaning | $150–$800 |
The middle row is the sensible default for most homeowners. You are paying for two things that protect each other: the cleaning exposes the flue wall, and the inspection reads it. Booking them separately costs the same or more, and the second visit may miss what the first one saw.
The arithmetic on a real house
One flue, routine soot, walkable roof: $150 at the low end, $400 at the high end.
Two flues on one stack: 2 × $150 = $300, and 2 × $400 = $800. The technician does not get a second trip, but the second flue is still a full brush and vacuum, so the saving is small.
Three flues: 3 × $150 = $450, and 3 × $400 = $1,200. At that point it is worth asking whether the third flue is in use. Sweeping a disused flue every year is money spent on nothing, though it should still be inspected and capped at $150 to $600.
Add the inspection: $150 to $800. On a single-flue house the annual total is $300 to $1,200. Over ten years that is $3,000 to $12,000, which sounds like a lot until it is set against a partial rebuild at $5,000 to $15,000 or a liner at $1,500 to $4,000. Maintenance is not glamorous, but the arithmetic does not favor skipping it.
Why the low quote is low
A $99 sweep is not a charitable act. It is a customer acquisition price, and the visit is structured to find repair work. Sometimes the repair is real. Sometimes the “cracked flue” is a photograph of a joint that has looked like that for decades.
The tell is the sequence. A legitimate operator cleans first, then reports. A sales-driven visit inspects first, condemns something, and offers to fix it before the brush comes off the truck.
A second tell is the camera. A camera inspection is a genuine diagnostic tool and a legitimate upsell. If every visit ends with a video of a “failed” liner and a same-day quote for $1,500 to $4,000, get a second opinion from a company that does not sell liners.
What to ask before booking
- Ask whether the price is per flue or per chimney, and how many flues the quote covers.
- Ask what the visit includes: brushing, firebox cleaning, smoke shelf, debris removal, and a written report.
- Ask whether the technician will go on the roof, and what happens to the price if he will not.
- Ask for the credential the technician holds and whether the company carries liability insurance.
- Ask what a heavy creosote flue adds, so the number does not change at the door.
- Confirm they will not apply a chemical treatment without telling you first. Some creosote removers are corrosive to older flue tile.
When the sweep finds something
A sweep is a diagnostic moment, not just a cleaning. The common findings and their prices: a missing or rusted cap at $150 to $600, a cracked crown at $400 to $1,500, a failed liner at $1,500 to $4,000, and masonry that needs a partial rebuild at $5,000 to $15,000.
None of those should be authorized on the spot. Get the finding in writing with a photograph, then get a second quote on the same scope. The exception is a safety finding: a cracked heat exchanger on a gas appliance, a blocked flue, or evidence of a chimney fire. Those get addressed before the appliance is used again, and the price conversation happens after.
For the difference between the cleaning and the report, see chimney vs chimney sweep. For what the inspection costs on its own, see chimney inspection cost. For the repairs that follow, see chimney repair cost and creosote build-up signs.
Frequently asked questions
How much does a chimney sweep cost?
Between $150 and $400 for a single flue in most US markets. The price covers brushing the flue, cleaning the firebox and smoke shelf, and removing the debris.
Why do some sweeps charge $99?
A $99 visit is usually a loss leader for inspection and repair sales. The cleaning may be cursory, and the technician is there to find work. Ask what the visit includes before booking.
Does a chimney sweep include an inspection?
A good sweep looks at what he can see while cleaning and reports it. A formal inspection with a written report is a separate service at $150 to $800 and covers more ground.
How often should a chimney be swept?
Once a year for most wood-burning appliances, or after each cord of wood. Gas appliances need an annual check but produce little soot, so a full sweep is rarely needed.
Does creosote level change the price?
Yes. Light soot is a routine sweep. Glazed creosote, third-degree buildup, or a flue that has had a fire takes more time and chemical treatment, and pushes toward the top of the range.
Is a chimney sweep worth it if I burn occasionally?
Yes, at least every other year. Animals, moisture, and masonry decay affect an unused chimney, and an annual look at $150 to $400 is cheaper than discovering a blockage in January.
Sources
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