How Much Does Chimney Repair Cost?

When it comes to a chimney repair, it can range anywhere from a simple sweep to keep it clean to as extreme as rebuilding it to make it look like, and act like, new again.

Since a chimney won’t last forever, the cost of a chimney repair will greatly depend on the type of repair being done, the contractor performing the job, the complexity of your situation and the geographical location.

Blue Chimney 020709 by vmiramontes, on Flickr
Blue Chimney 020709” (CC BY 2.0) by  vmiramontes

How much does it cost to repair a chimney?

Type of RepairDescriptionAverage Price
Brick ReplacementReplacing a section of brick or an entire side can get costly, especially if you want a close-to-exact match. In the case of a chimney, the cap's bricks can deteriorate as time goes on.For a smaller area of brick, often 12 to 24 bricks, the costs can cost about $350 for the labor only.
Chimney FoundationA chimney that leans away from the house is often a sign of a poor foundation and will require piers to stablize the chimney.A typical job, which usually involves installing two helical or resistant piers, can cost $2,500 to $4,000.
Chimney SweepA chimney sweep is necessary to reduce the risk of a potential fire due to the creosote, the residue left behind as you burn wood, builds up.

If the wood you're burning is either burning too slow or not burning at all, a professional chimney sweep may be the answer to clear the flue.
$125 to $350
CracksThe masonry joints on your chimney, over time, will expand and contract as the seasons fluctuate. This, unfortunately, can lead to cracks forming, allowing smoke, embers and even carbon monoxide to escape outside of the walls. In most scenarios, the cracks will form in the corners but can cause structural damage if left ignored. The cost of repairing cracks will greatly depend on the size of the cracks. From as little as $150 for a simple brick mortar repair to $1,500+ if the chimney needs to be rebuilt.
Crown RepairThe crown of your chimney does more than keeping rain out of your home; it also protects the brick and mortar, essentially keeping pests and sparks from landing on your roof. Cracks, if found on the crown, can be a costly repair if ignored as water can seep in, causing damage to the internal frame.$150 to $450
FlashingA chimney is notorious for leaking, and as already mentioned on this chart, the flashing is often the culprit. If the flashing is missing, rusted or completely covered with tar, it may be time to install a new one. Depending on the size of your chimney and the materials of your flashing, the costs can vary.$500 to $1,800
LeaksRelated to the cracks, water can often find its way through the cracks, causing damage in the form of either wood rot or mold. These cracks are usually found along the roofline when the sealers fail. The water, when it's able to enter, can destroy the existing mortar and damage the wood near the fireplace.Most leaks can be fixed for $150 to $400.
Mortar RepairMortar is the thick mixture of sand, water and cement used to hold the bricks in place, and as time goes on, the mortar can begin to deteriorate, causing significant structural damage if left unattended. Depending on how much mortar needs to be removed and replaced, the costs can vary.$800 to $1,200 for average mortar work
Replacing the ChimneyThankfully, most modern chimneys don't need to be torn down and rebuilt from scratch due to the inner sleeve or flue liner. In most cases, the outer course of the chimney only needs to be replaced, down to the roofline, which can save you a lot of money when compared to tearing the chimney down and starting from the start.$500 to $1,200 to replace the entire outside to more than $12,000 if the entire chimney needs to be redone.

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Average Reported Cost: $4400

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  1. John (huntington,  New York) paid $4400 and said:

    $4400

    Was it worth it? Yes

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