Chimney Cap Installation cost · Redmond & the East Side, WA
$235–$850
What we charge for chimney cap installation.
We charge $235–$850 for chimney cap installation in Redmond and the East Side. Stainless cap fitted; multi-flue and custom at the top. The exact figure is set in writing after the $99 plus tax inspection, credited toward an approved quote, and you approve it before any work starts.

What the price includes
What we charge for each service. Chimney Cap Installation is highlighted.
| Service | What we charge | Typical East Side price | When you need it |
|---|---|---|---|
| Chimney Sweep | $189–$449 | $70–$350 | Annual maintenance, or you burn regularly and it has been a year |
| Chimney Inspection | $99 plus tax | $120–$844 | Buying or selling a house, after a chimney fire, or before a new appliance |
| Chimney Relining | From $1,900 | no East Side data published | Cracked clay liner, an unlined chimney, or fitting a stove or insert |
| Chimney Repair | From $425 | $113–$3,000 | Cracked bricks, open mortar joints, a leaning or spalling stack |
| Chimney Cap Installation | $235–$850 | no East Side data published | Missing or rusted cap, rain or animals getting into the flue |
| Masonry Repair (Crown / Repointing) | From $475 | $150–$300 | Cracked or crumbling crown, failing mortar joints across the stack |
| Chimney Waterproofing | $285–$790 | no East Side data published | White staining on the brick, or damp showing inside |
| Chimney Flashing Repair | $330–$1,500 | $300–$400 | Water stains on the ceiling around the chimney |
| Gas Fireplace Service | $189–$425 | no East Side data published | Annual service, or the unit will not light or stay lit |
| Creosote Removal | From $215 | no East Side data published | Several seasons since the last sweep, or a hard glaze in the flue |
| Dryer Vent Cleaning | $105–$265 | no East Side data published | Clothes need two cycles, or it has been over a year |
| Air Duct Cleaning | From $525 | $351–$408 | After a renovation, or after water damage |
Market rates observed on the East Side (King County, WA), surveyed October 4, 2026 — not our quote. Sources: Chimcare — Chimney Sweep in Redmond, WA, Homeyou — Air Duct Cleaning in Redmond, WA costs, Homeyou — Chimney Repair in Redmond, WA costs, Homeyou — Chimney Sweeping in Redmond, WA costs.
Published by others — not our quote
We searched for a price on this job published for Redmond, Sammamish, Duvall or Carnation by a company outside our network and came up empty, so what you see are nationwide figures. Not our quote.
$300–$600 per flue
US national · Not our quote
National range, average $425 (updated August 29, 2025); prefab stainless steel $475–$600, copper $575–$650; chase cover replacement $300–$600.
Every figure below is published by a third party. Not our quote.
A typical job, at our prices
A job at the bottom of our listed price for chimney cap installation — yours is set in writing after the inspection.
| Step | Cost |
|---|---|
| On-site inspectionPaid at the visit, credited toward the quote once you approve it | $99 |
| The chimney cap installation itselfBalance due after the inspection credit | $136 |
The total came to $235 before sales tax — our listed starting price for chimney cap installation, with the inspection counted inside it, not on top.
No Redmond or east King County price for chimney cap installation was found from a company outside our network, so we publish national figures only, not our quote: Fixr — Chimney Cap Replacement Cost: $300–$600 per flue (US national, accessed 2026-10-04). Not our quote — what we charge is shown at the top of this page.
Where a spark arrestor is installed (R1003.9.2), its net free area must be at least four times the net free area of the flue outlet, its screen must resist heat and corrosion like 19-gage galvanized or 24-gage stainless steel, and openings must not pass a 1/2-inch sphere nor block a 3/8-inch sphere.
Common questions
The exact price for your chimney is set on site, in writing, after the $99 plus tax inspection. Our FAQ covers booking, the inspection and where we work.
Book your inspection — $99 plus tax on-site inspection, credited toward an approved quote.
Book an inspection
Book your $99 inspection
$99 plus tax, deducted when you approve the repair