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Chimney cost — what to expect and what to skip

What chimney work costs, and which of it you should not be paying for at all. Prices vary by region and by how much access the job needs. Where a job has a genuine do-it-yourself version we say so rather than quoting a number for it.

Quick answerChimney work is priced by access and by which part of the chimney is involved. Flashing and crown repairs stop water at the top. Sweeping and inspection deal with creosote. Relining and venting assessments deal with the flue, and those are the larger jobs. A cap and early attention to flaking brick are the cheap end, and you shouldn’t be paying much for them.

NFPA 211 recommends an annual chimney inspection. That routine visit is also the best time to get every other repair priced, so you can compare and plan instead of reacting to a leak.

A chimney sweep at work, sitting on a roof
A chimney sweep at work on a roof. Roof height and pitch drive much of the price, because they set how much time and safety gear the job needs. Photo by Waldemar Brandt on Unsplash.

1What chimney work involves

  1. InspectionA look at the flue, crown, cap, flashing and masonry. Ask for written findings and photos.
  2. Water at the topFlashing, crown repair or replacement, and a cap. These stop most masonry damage.
  3. MasonryRepointing worn mortar and replacing damaged brick on the stack.
  4. The flueSweeping creosote, relining an unlined or damaged flue, and assessing venting for gas appliances.

The jobs on this site that usually need paid work:

2What drives the price

Cost driverWhy it mattersWhat to ask
Roof height and pitchSteep or tall roofs need more safety gear, time, or scaffolding.Is staging or a lift included
Part of the chimneyFlashing, crown, masonry and flue are different trades and different prices.Which part is failing, with photos
Extent of damageA few joints of mortar is not the same as rebuilding the top of the stack.How much is being repaired, measured
Flue workRelining is a bigger job than sweeping, and the liner type affects the price.What liner, and why that one
Appliance typeWood, gas and oil appliances have different venting needs.Is the flue right for this appliance
Repair versus rebuildCatching water damage early keeps it a repair.What happens if I wait a year

3Things you should not pay for

These are the cheap end of chimney work. Neither should become a big invoice if you deal with it early.

Never skimp on the flue

Liner and gas venting work is not a place to save money or do it yourself. If an appliance isn’t venting safely, carbon monoxide can enter the house. If a CO alarm sounds, get everyone out and call 911 or the fire department from outside.

4Do it yourself or hire a pro

Do it yourself

  • Spotting a missing cap or flaking brick from the ground with binoculars
  • Checking the ceiling and attic near the chimney for water stains
  • Burning only dry, seasoned wood
  • Testing your carbon monoxide alarms

Hire a pro

  • Annual inspection and sweeping
  • Flashing and crown repairs
  • Relining a flue
  • Any gas appliance venting question
Chimney due for a look?

Talk to a local chimney pro and ask for written findings and photos with the quote.

877-360-4657

5Questions

Do I really need an inspection every year?

NFPA 211 recommends it. It matters most if you burn wood regularly, but every chimney benefits from a yearly check.

Why is relining so much more than sweeping?

Sweeping cleans the existing flue. Relining installs a new liner through the full height of the chimney, which takes more material, labor and skill.

How do I know a repair is really needed?

Ask for photos of the problem and a written explanation. A good inspector will show you what they found.

Back to Chimney.

Written by Jaylan Jones. I Like To Exterior Services earns a referral fee when a call connects to a contractor. See our business-model disclosure.

877-360-4657