Chimney Repair Cost Calculator
Get an instant free estimate for chimney cleaning, inspection, and masonry repairs.
How is Chimney Repair Cost Calculated?
Cleaning is a flat fee based on the number of flues. Repairs are priced by severity (e.g., Crown Repair vs Rebuild) and accessibility (Roof Height/Pitch).
Calculate Your Estimate
Project Location
Choose which state the project is located.
Chimney Details
Type of service and accessibility affect the price.
Additional Repairs:
Key Factors Influencing Chimney Rates
Accessibility (Height)
A 1-story chimney is easy to reach. A 3-story chimney or a very steep roof requires scaffolding or a lift, adding significantly to the labor cost.
Liner Type
Replacing a liner is a major expense. HeatShield (surface resurfacing) costs ~$2,000. Stainless steel liners cost ~$2,500 - $4,000 depending on length and shape.
Average Cost by Service
| Service Type | Typical Cost | High End / Difficult |
|---|---|---|
| Chimney Sweep & Inspect | $150 – $250 | $300+ (Severe Creosote) |
| Crown Repair | $300 – $600 | $1,200+ (Rebuild Crown) |
| Tuckpointing (Repointing) | $700 – $1,500 | $2,500+ |
| Partial Rebuild (Top Only) | $1,500 – $3,000 | $5,000+ |
How to Estimate Chimney Repair Cost Manually
Chimney maintenance ranges from simple annual sweeping to expensive architectural rebuilding. Safety is the main driver of cost for tall or steep chimneys.
Step 1: The Sweep Base Rate
Expect to pay $150 - $250 for a standard inspection and sweep (Level 1) for a single-story home.
Step 2: Masonry Repairs (Tuckpointing)
If mortar is crumbling, masons charge by the square foot. Calculate the visible brick area needing repair and multiply by $15 - $25.
Step 3: Liner Replacement
Stainless steel liners are sold by the foot. Average installed cost is $90 - $120 per linear foot.
Step 4: Use the Formula
(Service_Base + Height_Surcharge) + (Parts × Cost) = Total
Example: 25ft Chimney Liner (2 Story):
(25 ft × $100/ft) + $200 (Height Access) + $250 (New Cap) = $2,950 Estimated
Frequently Asked Questions
How often should I clean my chimney?
The NFPA recommends an annual inspection, regardless of use. Cleaning is typically needed when there is 1/8 inch of soot buildup or if you burn more than a cord of wood per season.
What is tuckpointing?
Tuckpointing is the process of removing damaged mortar between bricks and replacing it with fresh mortar. It restores the structural stability and prevents water from entering the chimney.
Why does my chimney leak?
Common causes include a cracked chimney crown (the cement top), damaged flashing (metal seal at roofline), or lack of a chimney cap allowing rain to fall straight in.
How much does a chimney cap cost?
A standard stainless steel single-flue cap costs $300 - $500 installed. Custom multi-flue copper caps can cost $1,000+.
Do gas fireplaces need cleaning?
Yes, but less frequently than wood. They need inspections for gas leaks, ventilation blockages (bird nests), and cleaning of soot on ceramic logs.
What is creosote?
Creosote is a flammable tar-like residue from burning wood. Stage 1 is dusty soot (easy to clean). Stage 3 is a thick, shiny glaze that is highly combustible and requires chemical removal ($$).
What if I don't have a liner?
Unlined chimneys are unsafe and against code in most places. Heat can transfer to the home frame and cause a fire. You must install a liner (stainless steel or poured masonry) to use the fireplace.
Is chimney repair messy?
Professional sweeps use high-powered HEPA vacuums and drop cloths to ensure no soot enters your living room. Masonry repairs on the exterior can be dusty for the yard.
How long does a rebuild take?
A partial rebuild (top few feet) takes 1-2 days. A complete teardown and rebuild from the ground up can take a week or more.
Why is water proofing necessary?
bricks are porous like a sponge. Freeze/thaw cycles cause them to spall (face pops off). Waterproofing seals the brick while allowing it to breathe, extending the life of the masonry.