Chimney Repair Cost Calculator (2026)

Estimate sweep, cap, crown, tuckpointing, reline, flashing, or full above-roofline rebuild. 2026 data; not a contractor bid.

Residential brick chimney with a new stainless-steel cap, repointed crown, and freshly installed flashing skirt at the roof line

Enter your chimney project

Includes labor, equipment, permit (where required), and contractor markup.

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Scope

Uses the first 3 digits as a planning zone (not exact local pricing). Overrides state average when matched.

Add-ons

Your chimney estimate

Estimated installed range
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Cost breakdown

ItemQuantityEstimated range
Planning estimate, not a bid. 2026 ranges informed by CSIA / NFI certified-sweep pricing, HomeGuide, HomeAdvisor, Homewyse, and BLS regional wage data.
What's not included: firebox rebuild inside the home, smoke chamber parging, fireplace insert / stove install (separate calc), fuel conversion, asbestos abatement on old gaskets.

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Methodology & sources

What this is: a planning-range chimney calculator informed by CSIA / NFI certified-sweep pricing, HomeGuide, HomeAdvisor, Homewyse, and licensed cost-estimating references.

Labor is modeled from per-unit installed rates with a crew-rate sanity check ($75-$140/crew-hr loaded billing rate), informed by BLS OEWS 47-2021 (Brickmasons / Blockmasons).

Last updated: May 2026. Full methodology →

How much does chimney work cost in 2026?

ScopeRangeTimeline
Annual sweep + level-1 inspection$200-$5001-2 hours
Cap + crown patch + waterproof$1,200-$3,5001 day
Tuckpointing (full chimney)$1,500-$4,5002-3 days
Stainless reline (25 LF)$1,800-$4,5001-2 days
Above-roofline rebuild$5,000-$15,0003-5 days
Full chimney rebuild (top to footing)$10,000-$30,000+1-2 weeks

Frequently asked questions

How much does chimney repair cost?

$200-$500 sweep. $1.2-3.5k cap+crown+waterproof. $1.5-4.5k tuckpointing. $5-15k above-roofline rebuild.

Do I need to reline?

Yes if: switching fuel, cracked liner, post-fire, or breaches found at inspection. Stainless flex is the modern standard.

How often to sweep?

Wood: annually before heating season. Gas: every 1-3 yr. Always pair with level-1 inspection.

Cap vs no cap?

Always cap a chimney. $300-$1k all-in keeps animals out, prevents downdrafts, blocks rain entry.

Can I DIY?

No, except for a basic cleaning swept by a CSIA-certified sweep. All structural / liner / flashing work is pro work for code and safety.

Common mistakes & questions

  • Skip the level-1 inspection — biggest miss. CSIA certified sweep takes pictures inside the flue.
  • Tar / paint over crown cracks — temporary; cracks return in 1-2 yr.
  • Wrong liner size — too big = downdrafts; too small = code violation. Match to appliance BTU.
  • Skip flashing replacement during reline — mason and roofer often miss the handoff; plan it.
  • Tuckpoint with the wrong mortar — modern type-S is too hard for old soft brick; use type-N or pre-1900 lime mortar.
  • Cleaning + cap install too late in the season — book in late summer / early fall.
  • Ask your contractor: CSIA / NFI / FIRE certification, level of inspection (1, 2, 3), liner spec match to appliance, before/after photos.

When this estimate is wrong

  • Hidden firebox damage found during repair — adds $1-5k.
  • Old chimney with parged smoke chamber — restore needed.
  • Asbestos in old gaskets, flue cement — abatement adds $500-$2k.
  • Historic / landmark home — preservation review and matching mortar / brick cost more.
  • Steep / 3-story access — scaffolding + crane premium.
  • Insurance claims (post-storm / chimney fire) — adjuster scope vs your scope often differ.