Chimney caps don't last forever, and in the Puget Sound they age fast — a cap that's rusted through, blown loose, or crushed by a branch stops doing its job and starts letting water and wildlife back in. Replacing it is straightforward: off with the failed cap, on with a properly sized new one. If your cap is streaking rust down the brick or missing entirely after a storm, here's what a replacement costs around Seattle and how to pick one that lasts.
What chimney cap replacement costs in Seattle
Replacement pricing mirrors installation. A basic cap replacement — removing the old cap and fitting a new stainless or galvanized single-flue cap — runs about $299–$700. A custom or stainless cap, whether multi-flue or a made-to-fit stainless cover built to outlast our weather, runs $700–$1,600. Chimney height, roof access, and cap material set the figure. We confirm the correct size for your flue and put the price in writing before we swap anything.
Signs your cap needs replacing
- Rust streaks running down the crown or brick from the cap.
- The cap is missing, tilted, or hanging loose after a windstorm.
- Bent, crushed, or torn mesh — often from a fallen branch.
- Birds or squirrels getting into the flue past damaged mesh.
- Rain making it into the firebox again, meaning the cap has stopped sealing.
Why caps wear out fast in the Puget Sound
Our climate is tough on metal. Months of rain and damp air corrode galvanized and lesser caps until the mesh rusts through and the cap fails. Winter windstorms off the Sound blow caps loose or knock them askew, and overhanging limbs — plenty of them on wooded Seattle and Tacoma lots — drop branches that crush the mesh. Moss and debris from shaded roofs pack into the cap and trap moisture against it. All of it shortens a cap's life, which is why replacements here are common — and why we steer people toward stainless.
Upgrade when you replace, and a fair quote
A replacement is the moment to upgrade to a stainless cap sized right for your flue, so you're not back doing this in a few years. We'll match the cap to your chimney and recommend the material that actually survives our weather, not the priciest one on the shelf. Every quote is free and in writing, we offer a free second opinion, and we price-match any honest competitor and beat it by 10–25%.
What Chimney Cap Replacement Costs in Seattle (2026)
Real 2026 ranges for the Seattle–Tacoma–Everett area, with a free written quote before any work begins.
| Basic cap replacement | $299–$700 |
| Custom / stainless cap | $700–$1,600 |
Get a free quote
See our full chimney service pricing, or learn more about Chimney Cap Replacement. You get a free written quote before any work begins — call 206-453-2045 or request your free quote online.

