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Chimney Repair Cost Calculator — 2026 Tuckpointing, Crown & Liner

Price a 2026 chimney repair by damage type (mortar, crown, liner, flashing, rebuild), height, access, and urgency — then line up CSIA-certified bids.

Chimney & Damage

ft

Urgency

Location

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Frequently Asked Questions

Q

How much does chimney repair cost in 2026?

Average $455 for common problems (range $160–$750), with larger projects running $250–$13,300. Tuckpointing: $500–$2,500. Crown repair: $200–$3,500. Liner replacement: $900–$7,000. Full rebuild: $1,000–$15,000. Emergency work adds 20–40% on top.

  • Common repair avg: $455
  • Tuckpointing (mortar): $500–$2,500
  • Crown repair: $200–$3,500
  • Liner replacement: $900–$7,000
  • Full rebuild: $1,000–$15,000
Damage TypeTypical RangeNotes
Tuckpointing (mortar)$500–$2,500$10–$25/sqft
Crown repair$200–$3,500Depends on crack depth
Flashing repair$200–$800Step + counter flashing
Liner replacement$900–$7,000Stainless steel $60–$100/ft
Full rebuild$1,000–$15,000Above or below roofline
Q

What's tuckpointing and how much does it cost?

Tuckpointing is removing and replacing deteriorated mortar joints between bricks. Costs $10–$25 per square foot, with typical chimney jobs running $500–$2,500 (average $1,200). Ignoring crumbling mortar leads to water intrusion, freeze-thaw spalling, and eventual structural failure.

  • Per sqft: $10–$25
  • Typical chimney job: $500–$2,500
  • Average cost: ~$1,200
  • Required when mortar cracks or crumbles
  • Delaying leads to spalling bricks + rebuild
Q

When does a chimney need a rebuild vs a repair?

Rebuild if: leaning stack, widespread spalling bricks, multiple failed flue liners, structural cracking. Repair if: localized mortar damage, crown crack, single flashing leak, minor creosote. Partial rebuild costs $1,000–$5,000; full rebuild up to $15,000.

  • Rebuild: leaning, spalling, structural cracks
  • Repair: localized mortar, crown, flashing
  • Partial rebuild (above roofline): $1,000–$5,000
  • Full rebuild: up to $15,000
  • Engineer letter required for structural rebuilds
Q

How often should I get a chimney inspection?

CSIA and NFPA both recommend annual inspection. Level 1 inspection costs $100–$250. Level 2 (camera plus recent event or system change) runs $200–$1,000. Always hire a CSIA-certified sweep — that certification is the gold standard in the industry.

  • Frequency: annual (CSIA + NFPA)
  • Level 1 inspection: $100–$250
  • Level 2 (camera): $200–$1,000
  • CSIA certification is the gold standard
  • Insurance may require inspection after chimney fire
Q

Does homeowners insurance cover chimney repair?

Insurance covers sudden damage like a chimney fire, lightning strike, fallen tree, or earthquake (in some policies) — but NOT wear-and-tear, settling cracks, or creosote neglect. Document the cause with photos and a chimney-sweep report before filing a claim.

  • Covered: chimney fire, lightning, falling objects
  • Not covered: wear, settling, neglect, creosote
  • CSIA inspection report strengthens claim
  • Photos before repair = claim evidence
  • Earthquake coverage varies by policy
Q

What's a fair deposit for chimney repair?

Reputable masons cap deposits at 10–25% of the project. For jobs under $1,000, many masons do not require a deposit at all — paid on completion. Demands for 50%+ upfront or cash-only are classic masonry scam signals. Walk away.

  • Safe deposit: 10–25%
  • Jobs under $1,000: often no deposit
  • 50%+ upfront = scam signal
  • Cash-only = scam signal
  • Pay by card/check for fraud protection

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Example Calculations

1Tuckpointing on single-story brick chimney

Inputs

Damage typeTuckpointing (mortar joints)
Height20 ft (single story)
AccessWalkable 5/12 pitch
UrgencyScheduled

Result

Typical repair quote$800 – $1,800
Coverage area~60 sqft
Deposit10–25% or COD

Standard tuckpointing on a walkable chimney. The most common masonry repair; CSIA-certified sweeps know the mortar mix best for your brick age.

2Crown rebuild + flashing replacement on two-story

Inputs

Damage typeCrown + flashing
Height28 ft (two story)
Access6/12 pitch, scaffolding needed
UrgencyRoutine

Result

Typical repair quote$2,200 – $3,800
Scaffold rental+$400
Two-story access surcharge+20–30%

Crown failure plus flashing leak on a two-story home. Scaffolding is necessary for safety and quality; ask for it to be itemized.

3Stainless steel liner replacement for gas fireplace

Inputs

Damage typeFailed clay liner
Height24 ft
ReplacementStainless steel liner
FuelNatural gas

Result

Typical repair quote$2,500 – $4,200
Liner material$60–$100/ft
Labor + top cap$800–$1,500

Stainless steel liners are code for most gas fireplace conversions. Expect a lifetime warranty on the liner itself.

Formulas Used

Chimney repair cost driver breakdown

Quote = Damage-specific repair + Access surcharge + Materials (liner/mortar) + Emergency fee

Chimney repair quotes depend more on damage type than chimney size. Two-story access adds 20–30%; steep roof pitch over 6/12 adds 15–25%; emergency work adds 20–40%.

Where:

Repair scope= Tuckpointing / crown / flashing / liner / rebuild
Access surcharge= Two-story +20–30%; pitch > 6/12 +15–25%; scaffolding add-on
Materials= Clay $5–$10/ft liner; stainless $60–$100/ft; mortar $10–$25/sqft
Emergency fee= +20–40% for post-fire or urgent water-intrusion repairs

Chimney Repair Costs in 2026: What Buyers Actually Pay

1

What Chimney Repair Actually Costs in 2026

Chimney repair pricing spans a 50x range from a $250 mortar spot-fix to a $13,300 full rebuild, which is why matching the repair type to the damage is the most important step. The Angi national average for common repairs is $455; most single-issue repair tickets land in the $160–$750 band. Full projects — complete rebuilds, multi-flue liner replacements, widespread spalling remediation — push to $5,000–$15,000.

The table below translates every common chimney repair into a cost range with the trigger condition. Use it to narrow your own diagnosis before getting bids — knowing whether you need tuckpointing or a crown replacement lets you filter contractors who try to upsell a full rebuild when a $1,200 tuckpoint would solve the visible problem.

Chimney repair cost ranges by type, 2026. Source: Angi, HomeGuide.
Repair TypeTypical Cost RangeWhen You Need It
Tuckpointing$500–$2,500Mortar joints crumbling or missing
Crown repair$200–$700Small top-slab cracks
Crown replacement$1,000–$3,500Widespread crown cracking
Flashing repair$200–$800Leaks at roof-chimney junction
Stainless liner install$2,500–$7,000Cracked clay liner or gas insert
Partial rebuild$1,000–$5,000Top-section spalling
Full rebuild$5,000–$15,000Leaning, structural cracking

Before getting any bid over $1,500, require a CSIA Level 2 camera inspection. A 30-minute $300 scope often identifies whether you need a $1,200 tuckpoint or a $7,000 liner — a $5,800 diagnosis swing on a single visit.

2

The Six Most Common Chimney Repairs (and What They Cost)

Six repair types account for 90%+ of residential chimney work. Tuckpointing — grinding out failed mortar and repointing with matching mortar — costs $10–$25 per sqft of joint area, or $500–$2,500 total on a typical stack. Crown repair covers hairline cracks in the top concrete slab at $200–$700; if the entire crown is shot, replacement runs $1,000–$3,500. Flue liner work is the most expensive line: stainless steel retrofit runs $2,500–$7,000 and is usually triggered by a failed clay liner or a new gas-insert conversion.

Flashing repair at the roof-chimney junction is $200–$800 and is often what finally prompts the call — a ceiling stain in a room below the chimney almost always traces back to flashing. Spalling brick replacement (freeze-thaw damage that causes bricks to flake and fall) runs $25–$100 per brick including matching and blending. Partial rebuilds ($1,000–$5,000) cover the top 1–3 feet; full rebuilds ($5,000–$15,000) are structural teardowns.

  • Tuckpointing: $10–$25/sqft of joint area — $500–$2,500 total on typical stack
  • Crown repair (minor cracks): $200–$700 — waterproof sealant plus crack fill
  • Crown replacement: $1,000–$3,500 — tear off and pour new concrete cap
  • Flue liner (stainless retrofit): $2,500–$7,000 — required for most gas insert conversions
  • Flashing repair: $200–$800 — step flashing and counter flashing redone
  • Spalling brick replacement: $25–$100 per brick including matching
  • Partial rebuild (top 1–3 feet): $1,000–$5,000 — common on freeze-thaw regions
3

How Chimney Inspections Work (And Why You Need One Before Quoting)

The Chimney Safety Institute of America (CSIA) and NFPA both recommend annual chimney inspections. Three standardized levels exist: Level 1 is a $100–$250 visual inspection suitable for chimneys in regular use with no known issues. Level 2 is a $200–$1,000 camera-based internal inspection required after any chimney fire, before real estate transactions, or when changing fuel systems (wood to gas, open fire to insert). Level 3 is a tear-into-walls inspection reserved for suspected hidden structural damage, typically $1,000+.

Never accept a repair bid over $1,500 without a Level 2 camera inspection first. Contractors who quote liner replacement or rebuilds sight-unseen are either assuming the worst-case scope or missing actual issues inside the flue. Always hire a CSIA-certified, NCSG (National Chimney Sweep Guild), or NFI (National Fireplace Institute) credentialed contractor — these are the three recognized professional certifications in the trade.

A CSIA-certified contractor who refuses to do a Level 2 camera inspection before quoting a rebuild is either inexperienced or hiding something. That refusal alone is grounds to walk away and call the next name on your list.

  • Level 1 ($100–$250): annual inspection for chimneys in normal operation
  • Level 2 ($200–$1,000): required after fire, sale, or system change; includes internal camera
  • Level 3 ($1,000+): hidden structural damage suspected, tear-into-walls
  • CSIA certification: primary sweep and repair credential — verifiable on CSIA.org
  • NCSG membership: trade association for chimney professionals
  • NFI certification: gas insert and hearth product specialization
  • Always get the inspection report in writing before authorizing repair work
4

Warning Signs Your Chimney Needs Repair Now

Most chimney problems escalate slowly until one of six visible symptoms appears. White staining (efflorescence) on the exterior brick indicates moisture is moving through the masonry — usually a sign of failed crown or flashing. Vertical cracking in a flue liner points to a previous flue fire; any crack in the liner is a serious safety issue because combustion gases can escape into the wall cavity. Spalling bricks or crumbling mortar joints signal freeze-thaw water damage that is already advanced.

Inside, burning odors, excessive smoke in the home, or poorly drafting fires point to creosote buildup or blockage. Damaged firebox brick or missing mortar inside the firebox means the chimney is unsafe to burn until repaired. The most urgent signal is a visible lean or separation from the house — that is a structural emergency requiring immediate professional inspection. The list below captures the checklist walk any homeowner should do twice a year.

A visibly leaning chimney is an emergency, not a repair. Stop using the fireplace, call a CSIA contractor for a Level 3 inspection, and do not wait — leaning stacks have fallen onto roofs in storms with fatal consequences.

  • White efflorescence staining on exterior brick — moisture intrusion
  • Vertical cracking visible in flue liner — past flue fire, serious
  • Spalling (flaking) bricks or crumbling mortar — freeze-thaw water damage
  • Damaged firebox brick or missing mortar — unsafe to burn
  • Burning odors, excessive smoke, poor draft — creosote or blockage
  • Visible lean or separation from house wall — structural emergency
  • Rust on damper or firebox — moisture reaching metal components
5

Red Flags When Hiring a Chimney Contractor

Chimney repair is a scam-prone trade because most homeowners never interact with it and do not know industry norms. The single most important vetting tool is CSIA certification — verifiable on CSIA.org in 30 seconds by typing in the contractor name. Deposits cap at 10–25%, never more than 30%, and cash-only demands are a near-universal scam signal. Same-day pressure and post-storm door-knockers should end any conversation.

Verify license, general liability certificate, and workers’ comp before signing — masons work on roofs and the workers’ comp coverage is specifically what protects you if a crew member falls. Beware contractors who refuse Level 2 camera inspection before quoting a rebuild: that refusal is either laziness or a known tactic to inflate scope. Get at least 3 written quotes; a bid 20%+ below the others is usually uninsured crew, substituted materials, or skipped line items.

Chimney repair cost by type, 2026$0$4k$8k$12k$16kFlash$500Crown$1.5kTuckpt$2kLiner$5kRebuild$10kMid-point cost by repair type. Source: Angi, HomeGuide.
  • Not verifying CSIA, NCSG, or NFI certification on the contractor
  • Paying 30%+ deposit or any cash-only upfront demand
  • Hiring a post-storm door-knocker without verifying permanent address
  • Skipping license, general liability, and workers’ comp verification
  • Accepting a rebuild quote without Level 2 camera inspection first
  • Taking the lowest of 3 bids when it is 20%+ below — cut corners
  • Signing same-day under pressure — legitimate contractors schedule weeks out
6

Repair, Rebuild, or Remove: The Decision Framework

Not every damaged chimney needs to be saved. The decision starts with damage scope: localized mortar damage, a single crown crack, or one flashing leak are all repair candidates totaling $200–$2,500. Top 1–3 feet of spalling with a compromised crown is a partial rebuild at $1,000–$5,000. Multiple liner failures, widespread spalling, or a visibly leaning stack is a full rebuild at $5,000–$15,000.

The fourth option — removal — is overlooked but often the cheapest answer. If the chimney is decorative-only and serves no working fireplace, removal costs $2,000–$6,000 and permanently eliminates the maintenance liability. That is less than a partial rebuild and a fraction of a full rebuild. Before authorizing any rebuild over $5,000, ask whether removal is a viable option — contractors will not volunteer this because it ends their scope, but it is the right answer on plenty of mid-century homes where the fireplace has not been used in decades.

If your chimney has not been used in 10+ years and is not adding to resale value in your market, removal at $2,000–$6,000 permanently eliminates the maintenance tail. That is often the right call on mid-century homes regardless of contractor recommendations.

  1. 1

    Inspect with Level 2 camera

    Required for any quote over $1,500. Clarifies whether scope is tuckpoint, liner, or rebuild territory.

  2. 2

    Match damage to repair type

    Localized mortar = tuckpoint. Crown cracks only = crown repair. Top-section spalling = partial rebuild.

  3. 3

    Consider removal if decorative-only

    No working fireplace? Removal at $2,000–$6,000 is often the cheapest permanent solution.

  4. 4

    Collect 3 bids + verify CSIA

    Three certified contractors, written scope, deposit cap 25%, license and insurance proof.

  5. 5

    Authorize with written scope

    Contract names specific repair type, materials, warranty duration, and fire-safety certification if applicable.

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Last Updated: Apr 19, 2026

This calculator is provided for informational and educational purposes only. Results are estimates and should not be considered professional financial, medical, legal, or other advice. Always consult a qualified professional before making important decisions. UseCalcPro is not responsible for any actions taken based on calculator results.

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