Chimney Repair Cost Calculator
Enter your ZIP code and pick the options that match your chimney job to get an instant low, average, and high estimate adjusted to local prices. Choose the repair type, chimney height, and material to see a ballpark cost for your project.
How This Calculator Works
Chimney repair is masonry and flashing work performed on the portion of a chimney above and around the roofline. The job restores weather resistance and structural integrity by repointing mortar joints, resealing the crown, replacing flashing, or rebuilding brick and stone courses. The cost of chimney repair starts from a national base of $250 for minor work, $600 for a typical project, and $3,500 for a full above-roofline rebuild, per project.
This calculator multiplies that national base by the factors tied to the options you select hen adand adds any flat-fee extras. It then adjusts the result to the construction labor and material rates for the ZIP code you enter, since a mason’s hourly rate and brick and mortar costs vary by region. Selecting the typical option in every question brbrick chimney, two-story access, repointing, moderate damage reprer produces roughly the $600 national average.
What Moves the Estimate
Type of repair
Repair type is the largest driver. Crown sealing or a small patch runs about half the base, while repointing mortar joints sits at the typical rate. Flashing work adds slightly for sheet-metal and sealant labor. A crown rebuild or partial masonry rebuild multiplies the price 2.6x because it involves tearing out and relaying brick, and a full above-roofline rebuild reaches 4.5x for the demolition, new brick, and reconstructed crown.
Chimney height and access
Height sets how much staging and fall-protection the mason needs. Single-story work with easy roof access reduces the price, a two-story standard-pitch roof is the baseline, and a three-story or steep roof raises cost 1.6x for scaffolding, harness rigging, and slower work at height.
Chimney material
Brick is the baseline. Parged concrete block costs slightly less to repoint, while natural or cut stone runs 1.4x because irregular stone units take longer to reset and match.
Damage extent
Localized spalling on a few joints stays below the baseline. Damage across one face or the crown is typical, while extensive spalling across multiple faces raises cost 1.7x for the added brick replacement and mortar volume.
Example Estimates
| Job | Options | Estimated range |
|---|---|---|
| Small / simple | Crown sealing, single-story, brick, minor damage | $70 end$500 |
| Typical | Repointing, two-story, brick, moderate damage | $250 endnd $600 endnd $3,500 baseline |
| Large / complex | Full rebuild, three-story, stone, extensive damage | $3,000 end$12,000+ |
Tip: If a mason finds soft, crumbling brick during repointing, ask whether spalled units need replacing before mortar work end that shifts the job from repointing toward a partial rebuild and changes the price bracket.
How to Use the Calculator
- Enter your ZIP code so rates match local masonry labor and material prices.
- Select the repair type that best describes the work end crown, repointing, flashing, or rebuild.
- Pick your chimney height, material, and damage extent.
- Check any add-ons like a chimney cap, waterproofing, or scaffolding.
- Read the low, average, and high figures as your ballpark range, then compare against the detailed chimney repair cost breakdown.
From Estimate to Final Quote
A mason confirms the price on site by inspecting mortar joint depth, whether brick faces are spalling or only weathered, and the condition of the crown and flashing seal. The calculator cannot see hidden issues such as a cracked flue liner, water damage inside the chase, or a crown that must be fully torn off rather than patched. Compare written quotes against this range and ask which line items cover brick replacement, scaffolding, and crown or flashing work so you can judge whether a bid is complete.
Frequently asked questions
How accurate is this chimney repair estimate?
It's a solid ballpark end for a typical repointing or crown job on a two-story brick chimney it lands near the $600 average, but rebuilds and hidden brick damage can push a real quote well above the high figure.
Does the ZIP code really change the price?
Yes end I adjust the national base to local masonry labor and material rates, so the same repointing job can cost 20-40% more in high-cost metros than in rural areas.
Does this replace a mason's inspection?
No. A mason still needs to check joint depth, spalling, and the flue before quoting end this calculator just gives you a range to sanity-check bids against.
Why is a rebuild so much more than repointing?
Repointing just tucks fresh mortar into existing joints, while a rebuild tears down and relays brick and rebuilds the crown, so it carries a 2.6x to 4.5x multiplier for the demolition and masonry labor.