Most homeowners pay $150–$1,500 to repair a chimney crown, with minor crack sealing at $150–$700. Replacing the crown costs $1,000–$3,000, and Angi reports a typical overall project cost of about $1,550 (Angi and HomeGuide data, as of October 2026).
Updated October 8, 2026. Source: Angi + 2 more. National US estimates.
The crown is the sloped slab of concrete or mortar on top of a masonry chimney. It sheds rain away from the flue and the bricks, so when it cracks, water soaks into the chimney, freezes, and widens the cracks each winter, eventually damaging bricks, mortar and the flue liner.
Here's what chimney pros charge to seal, resurface or replace a crown, what drives the price and when a repair is no longer enough. For other chimney work, from caps to liners, see our chimney repair cost guide.
Average cost
Typical chimney crown costs, national averages as of October 2026:
| Scenario | Typical range | Notes |
|---|---|---|
| Seal hairline cracks with waterproof crown sealant | $150–$600 | Best for small, stable cracks |
| Repair larger cracks or resurface the crown | $300–$1,500 | Fill cracks, then coat with a protective membrane ($800–$1,200 resurfacing) |
| Replace the crown | $1,000–$3,000 | Remove the old crown and form a new one |
| Crown plus rebuild of the chimney above the roofline | $1,000–$3,500+ | When bricks under the crown are also damaged |
Chimney crown cost by type of work
| Work | Typical cost |
|---|---|
| Debris clearing | $100–$300 |
| Moss clearing | $250–$700 |
| Crown sealing (waterproof sealant) | $150–$600 |
| Minor repairs | $150–$700 |
| Major repairs | $600–$1,500+ |
| Cracked crown repair (larger cracks) | $300–$2,300 |
| Resurfacing | $800–$1,200 |
| Full replacement | $1,000–$3,000 |
Crown replacement cost by material
| Crown material | Installed replacement cost |
|---|---|
| Concrete | $1,000–$3,000 |
| Brick | $1,000–$3,000 |
| Metal | $1,050–$1,900 |
| Stainless steel | $1,050–$2,200 |
Cost breakdown: materials, labor, permits and extras
Line-item estimate for sealing and patching cracks in an existing concrete crown on a one-story brick chimney. Ranges are national, as of October 8, 2026.
| Cost item | Typical range | What it covers |
|---|---|---|
| Materials | $25–$150 | Crown repair compound and waterproof sealant |
| Labor | $150–$450 | About 3 hours at $50–$150 per hour; labor is 75%–80% of crown costs |
| Debris or moss clearing | $0–$300 | Needed before sealant will bond |
| Permits | $0–$0 | Not needed for crown repair in most areas |
| Contingency | $0–$200 | A worn cap or loose bricks found at the top |
| Estimated total | $180–$1,100 | Before any discounts or rebates |
If the crown is badly cracked, crumbling or was built from a thin mortar wash, expect a replacement quote of $1,000–$3,000 instead.
What affects the price
- Repair versus rebuild. Sealing or patching cracks costs $150–$700, larger crack repairs and resurfacing run up to about $1,500–$2,300, and a full replacement costs $1,000–$3,000. Crowns that are crumbling or have cracks running all the way through usually need replacing.
- Crown material. Concrete and brick crowns cost about $1,000–$3,000 to replace; prefabricated metal or stainless steel crowns run about $1,050–$2,200 installed, according to HomeGuide.
- Size. Wider chimneys with multiple flues need a larger crown, which means more material and more time to form and pour. Sources list size as a cost driver without a fixed price per sq. ft.
- Sealing and waterproofing. A waterproof sealant ($150–$600) is often applied after repairs or as part of a larger job, and full chimney sealing runs about $150–$420. Sealing a crown early can delay the need for replacement.
- Access. Steep roofs, tall chimneys and multi-story homes raise labor because the crew needs more time and safety equipment. Labor makes up roughly 75%–80% of crown work, so access has a big effect on the total.
Ways to save
- Seal hairline cracks as soon as they appear; $150–$600 now can postpone a $1,000–$3,000 replacement.
- Have the crown checked during your annual sweep and Level 1 inspection ($100–$250) rather than waiting for a leak.
- Add or replace a chimney cap while the crew is up there; cap work runs about $200–$850 and protects the new crown from rain and debris.
- Combine crown work with flashing or tuckpointing repairs in one visit to avoid paying access and setup costs twice.
- Get at least three written quotes that say whether they'll seal, resurface or replace, and what material the new crown will be.
How to get an accurate quote
Ask at least three licensed, insured chimney pros or masons for written quotes after an inspection. Provide:
- Photos of the crown if you can take them safely from the ground or a window, and any signs of leaks inside.
- The chimney's size, number of flues, material and height above the roof, plus your roof pitch and number of stories.
- When the chimney was last swept or inspected and whether it has a cap.
- Ask what is included: debris removal, crown material, sealant, cap work, cleanup and the warranty on the repair.
FAQ
What's the difference between a chimney crown and a chimney cap?
The crown is the concrete or masonry slab that covers the top of the chimney around the flue. The cap is the metal cover with mesh that sits over the flue opening to keep out rain, animals and debris; cap replacement typically costs about $200–$850.
How long does a chimney crown last?
A properly built crown can last many years, but cracks from freeze-thaw cycles are common. Sealing cracks early and keeping a cap on the chimney help it last longer.
Can a cracked chimney crown cause leaks?
Yes. Water entering through crown cracks soaks into the bricks and mortar and can reach the flue liner, attic and ceilings. Water that reaches the roof deck may also call for roof repair.
For the big picture, start with our complete roof replacement cost guide.
Related cost guides
Sources
- Angi — How Much Does Chimney Crown Repair Cost? [2026 Data] (updated Aug 3, 2026). Checked October 8, 2026.
- HomeGuide — How Much Does It Cost to Repair or Replace a Chimney Crown? (2026) (Feb 9, 2026). Checked October 8, 2026.
- HomeGuide — How Much Does Chimney Repair Cost? (2026) (Jan 22, 2026). Checked October 8, 2026.
Prices are estimates and vary by location and provider. See our methodology and editorial policy. Browse all exterior cost guides.