Chimney repair cost: every scope, priced
Crown repair runs $400 to $1,500, a stainless liner $1,500 to $4,000, and a partial rebuild $5,000 to $15,000. What each scope covers and three worked budgets.
Chimney repair costs $400 to $15,000 depending on scope. Crown repair is $400 to $1,500, a stainless liner $1,500 to $4,000, a cap $150 to $600, and a partial rebuild $5,000 to $15,000.
- Crown repair
- $400–$1,500
- Stainless liner
- $1,500–$4,000
- Cap installed
- $150–$600
- Partial rebuild
- $5,000–$15,000
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Chimney repair cost depends on which part failed, and the parts fail in a predictable order. The crown and the cap take water from above. The liner takes heat and condensate from inside. The masonry takes both. A repair quote is really a statement about which of those three stopped working.
The scopes and their installed ranges: crown repair $400 to $1,500, a stainless liner $1,500 to $4,000, a cap $150 to $600, and a partial rebuild $5,000 to $15,000.
What counts as a repair
A chimney repair is work that restores an existing chimney to service without replacing the whole structure. That definition excludes a full demolition and rebuild, and it includes everything from a new cap to a new crown to a reline.
Diagnostics sit outside the repair budget and should be counted separately: a sweep at $150 to $400 and an inspection at $150 to $800. Skipping them is how people end up paying for the wrong repair.
Cost by scope
| Scope | Installed cost | What it covers |
|---|---|---|
| Sweep | $150–$400 | Cleaning, not repair |
| Level 1–3 inspection | $150–$800 | Diagnosis, not repair |
| Cap | $150–$600 | Rain, animals, embers |
| Crown repair | $400–$1,500 | Top seal, slope, bond break |
| Stainless liner | $1,500–$4,000 | Flue containment and sizing |
| Partial rebuild | $5,000–$15,000 | Masonry above the roof line |
Two notes on reading that table. First, the ranges are wide because access and height drive them as much as materials. Second, the liner and the crown are often done together, and doing them together is cheaper than two visits.
Three worked budgets
Minor: the cap and a sweep. A missing cap and a dirty flue on a sound chimney. Sweep at $150 to $400, cap at $150 to $600. Low end $150 + $150 = $300. High end $400 + $600 = $1,000. That is the cheapest complete repair on the list, and it prevents the most expensive one.
Mid: liner and crown. A cracked crown and a failed clay tile liner. Liner at $1,500 to $4,000, crown at $400 to $1,500, cap at $150 to $600. Low end $1,500 + $400 + $150 = $2,050. High end $4,000 + $1,500 + $600 = $6,100. Adding the cap here costs almost nothing in labor terms because the roof access is already paid for.
Major: rebuild. Spalled brick across the stack above the roofline, plus a liner. Rebuild at $5,000 to $15,000 and a liner at $1,500 to $4,000. Low end $5,000 + $1,500 = $6,500. High end $15,000 + $4,000 = $19,000. At this level, get three quotes and expect the middle one to be the honest one.
What moves a quote
Height and access. A chimney at 12 feet on a walkable roof is a different job from one at 30 feet on a 10:12 pitch. Scaffolding and staging are real costs, and they are legitimate.
Brick matching. New brick that matches a 1920s soft-mud brick has to be sourced. A mismatched repair on a visible facade is a bad outcome even when the work is technically correct.
Hidden damage. Once the mason opens a stack, the inner wythe may be worse than the outside suggested. A contract that allows for this with a written unit price per course is fairer than a fixed price that assumes the best case.
Permits and inspection fees. Structural work usually needs a permit. Ask who pulls it and whether the fee is in the quote.
Interior repairs. Water that got past the flashing may have damaged ceiling drywall, insulation, or framing. That is carpentry, not chimney work, and it is often the largest line on the invoice.
Repair versus rebuild
| Question | Repair | Partial rebuild |
|---|---|---|
| Cost | $2,050–$6,100 typical | $5,000–$15,000 plus liner |
| Lifetime added | 15–25 years on repaired parts | 50+ years on new masonry |
| Disruption | One day | Several days, roof opened |
| Right when | Masonry sound, components failed | Masonry failing or stack moving |
The repair wins unless the brick itself is the problem. Spalled faces across a wide area, a leaning stack, or mortar that has lost bond in the inner wythe are the three signals that repair money is buying years rather than decades.
How to compare quotes
- Get the inspection report first, in writing, with photographs. Every quote should reference the same findings.
- Write the scope down yourself: liner material and diameter, crown method, cap model, number of courses replaced.
- Ask each contractor to quote that scope, not their own version of it.
- Ask what is excluded: permit, scaffolding, disposal, interior patching, and sales tax.
- Check the warranty separately for materials and labor, and ask what voids it.
- Compare the middle of each range, not the extremes. A quote far below the range usually has a scope gap.
What not to pay for
Do not pay for a full rebuild when repointing and a crown would do. Do not pay for a liner before the flue has been inspected. Do not pay for waterproofing sealant as a substitute for a crown repair, because it traps moisture as often as it excludes it.
Do not pay for a “chimney rebuild” that turns out to be a parge coat over the existing brick. And do not pay a deposit above a normal materials allowance before the work starts, particularly on a job in the $5,000 to $15,000 range.
For the per-square-foot version of these numbers, see chimney cost per square foot. For the crown specifically, chimney crown repair cost covers materials and method. For the decision of whether to repair at all, see is chimney worth it and how much does a chimney cost.
Frequently asked questions
How much does chimney repair cost?
Between $400 and $15,000 for the scopes most homeowners face. Crown repair is $400 to $1,500, a stainless liner $1,500 to $4,000, and a partial rebuild $5,000 to $15,000.
What is the most expensive chimney repair?
A partial rebuild, at $5,000 to $15,000, especially when a liner is added inside it, which brings the total to $6,500 to $19,000.
Can I repair a chimney liner instead of replacing it?
Sometimes, if the damage is isolated and the liner type allows patching. In practice, a cracked clay tile liner is usually relined with stainless or cast in place rather than repaired tile by tile.
Does chimney repair require a permit?
Structural work and gas appliance alterations usually do. Relining and crown replacement rules vary by jurisdiction, so ask the contractor who is pulling the permit and confirm it in writing.
Why is my repair quote higher than these ranges?
Height, steep roof access, scaffolding, historic brick matching, and interior repairs all add cost. A quote above the range should itemize which of those it includes.
How long do chimney repairs last?
A stainless liner commonly serves 15 to 25 years, a rebuilt crown 15 to 25, and new masonry 50 or more. Repair life depends more on water management than on the repair itself.
Sources
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