Chimney Cap Installation cost · North Seattle, WA
$265–$850
What we charge for chimney cap installation.
Elsewhere in North Seattle it typically runs $199.95–$800. Market rates observed in North Seattle (King County, WA), surveyed October 4, 2026 — not our quote.
We charge $265–$850 for chimney cap installation in North Seattle. 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 North Seattle price | When you need it |
|---|---|---|---|
| Chimney Sweep | $209–$459 | $70–$449.95 | Annual maintenance, or you burn regularly and it has been a year |
| Chimney Inspection | $99 plus tax | $99.95–$803 | Buying or selling a house, after a chimney fire, or before a new appliance |
| Chimney Relining | From $1,900 | $1,200–$4,000 | Cracked clay liner, an unlined chimney, or fitting a stove or insert |
| Chimney Repair | From $425 | $114–$5,000 | Cracked bricks, open mortar joints, a leaning or spalling stack |
| Chimney Cap Installation | $265–$850 | $199.95–$800 | Missing or rusted cap, rain or animals getting into the flue |
| Masonry Repair (Crown / Repointing) | From $475 | $150–$3,000 | Cracked or crumbling crown, failing mortar joints across the stack |
| Chimney Waterproofing | $320–$795 | $200–$500 | White staining on the brick, or damp showing inside |
| Chimney Flashing Repair | $375–$1,495 | $300–$800 | Water stains on the ceiling around the chimney |
| Gas Fireplace Service | $189–$479 | $150–$299 | Annual service, or the unit will not light or stay lit |
| Creosote Removal | From $245 | $300–$600 | Several seasons since the last sweep, or a hard glaze in the flue |
| Dryer Vent Cleaning | $105–$295 | $89–$422 | Clothes need two cycles, or it has been over a year |
| Air Duct Cleaning | From $525 | $300–$1,000 | After a renovation, or after water damage |
Market rates observed in North Seattle (King County, WA), surveyed October 4, 2026 — not our quote. Sources: AAA Fireplace — Gas Fireplace Tune-Up, Emerald City Chimney — Prices, Homeyou — Air Duct Cleaning in Seattle, WA costs, Homeyou — Chimney Repair in Seattle, WA costs, Homeyou — Chimney Sweeping in Seattle, WA costs, Homeyou — Dryer Vent Cleaning in Seattle, WA costs, Homeyou — Fireplace Repair in Seattle, WA costs, StarDucts — What does a typical dryer vent cleaning cost in Seattle?, Starbright Chimney — Chimney Sweep Seattle WA, The Mad Hatter Chimney Sweep — Chimney Cap Installation, The Mad Hatter Chimney Sweep — Chimney Liner Installation, The Mad Hatter Chimney Sweep — Chimney Repair, The Mad Hatter Chimney Sweep — Chimney Sweep Cost Seattle: 2025 Pricing Guide, The Mad Hatter Chimney Sweep — Chimney Sweep Seattle, The Mad Hatter Chimney Sweep — Chimney Waterproofing, Washington Energy Services — Fireplace Insert Tune-Up.
Published by others — not our quote
Figures published by other companies and cost guides, local first, national for context. Not our quote.
$200–$350 per flue
Seattle · Not our quote
Seattle company, standard single-flue cap installed; the page's general figure is $200-$400, custom-fabricated caps $500-$1,200. Undated.
$400–$800 per chimney
Seattle · Not our quote
Multi-flue cap covering the whole chimney top, same Seattle page.
$199.95 per flue
Seattle · Not our quote
Standard stainless steel cap, installed, plus tax; custom caps are by estimate. Undated list.
$350–$695 per flue
Seattle · Not our quote
Top-mount damper with cap: the Seattle-area list starts at $695 plus tax, while The Mad Hatter's cap page (themadhatterchimneysweep.com/chimney-cap-installation) gives $350-$600; the two published figures form this range.
$300–$600 per cap
US national · Not our quote
National guide (updated August 29, 2025), $425 average; stainless steel $475-$600, copper $575-$650, galvanized $325-$375.
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 | $166 |
The total came to $265 before sales tax — our listed starting price for chimney cap installation, with the inspection counted inside it, not on top.
Published figures, not our quote: The Mad Hatter Chimney Sweep — Chimney Cap Installation: $200–$350 per flue (Seattle, accessed 2026-10-04); The Mad Hatter Chimney Sweep — Chimney Cap Installation: $400–$800 per chimney (Seattle, accessed 2026-10-04); Emerald City Chimney — Prices: $199.95 per flue (Seattle, accessed 2026-10-04); Emerald City Chimney — Prices: $350–$695 per flue (Seattle, accessed 2026-10-04); Fixr — Chimney Cap Replacement Cost: $300–$600 per cap (US national, accessed 2026-10-04). Not our quote — what we charge is shown at the top of this page.
R1003.9.2 and R1003.9.3: where installed, a spark arrestor must have a net free area at least four times the flue outlet and openings that block a 1/2-inch sphere yet pass a 3/8-inch sphere, in 19-gage galvanized or 24-gage stainless steel or equivalent; rain caps need the same four-times free area.
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