Issaquah, King County
Creosote removal in Issaquah starts at $245. This is the job for buildup a standard sweep cannot shift: thick, tarry or glazed deposits stuck to the flue walls. The price climbs with how far the deposits have hardened and how much of the flue they cover, so we look before we quote.
Typical investment
From $245
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Book your $99 inspection
$99 plus tax, deducted when you approve the repair
Not sure where to start
Pick what you're seeing at your Issaquah home — we'll point you to the right fix.
What we do
The same crew, the same written quote — for Issaquah homes.

Level 1 or Level 2 inspection, with a camera scan where warranted
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Complete sweep of the flue and firebox, protected by drop cloths and HEPA filtration
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Restoration of brick, mortar joints and firebox
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A stainless-steel or ceramic liner run the full height of the flue
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A stainless cap fitted to your flue's exact dimensions
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Cleaning of the burner, pilot and valve assembly
Learn moreRanges shown for orientation — the exact figure is written up on-site, after the inspection.
Creosote forms when wood smoke cools in the chimney and condenses on the flue. Light deposits are flaky and brush out easily. When fires burn slow and smoky, the deposits turn sticky, then hard and shiny, and at that stage they are both harder to remove and more likely to catch fire. The stage decides the method.
The Puget Sound Clean Air Agency's summary of the law is short on this point. The stove takes dry, seasoned firewood or manufactured logs and nothing else, and chimney smoke must stay at or under 20 percent opacity, with no stretch above that longer than six minutes in an hour. Burning damp wood breaks the first rule and usually the second, and it is the fastest route to heavy creosote.
Households that heat only with wood can seek an exemption to keep burning during a ban, but the agency is clear that visible smoke is still not allowed. A flue with glazed creosote and a smoky, smoldering fire are two sides of the same problem, which is why removal comes with a talk about firewood.
In its 2023 data summary, the Puget Sound Clean Air Agency reported that wood smoke from home heating pushed King County's fine-particle levels over its health goal on up to 3 winter days. In other words, the smoke from residential chimneys shows up in the region's own air-quality measurements.
In a Stage 1 ban, visible smoke is prohibited and fireplaces plus uncertified stoves and inserts must stay unlit; in Stage 2, all wood and pellet devices are covered unless they are the only adequate heat. The state rule behind this is WAC 173-433-150.
Every creosote removal we do in Issaquah includes:
Smoke coming back into the room, or a smell that won't go? Book the inspection first.
Book nowThe heaviest creosote we see in Issaquah tends to come from a stove damped down for long, low burns overnight, or from wood that was split late and never dried properly. Both keep flue temperatures low, which is exactly when creosote builds fastest. Changing the fuel and the burn habits matters as much as the removal itself.
A camera shows whether the creosote is flaky, sticky or glazed, and how far up the flue it runs. That tells us which removal method will work.
Glazed deposits get a treatment that breaks down the hard layer. Some flues need a burn cycle between treatment and removal.
Rotary tools or stiff brushes take the deposits back to the flue surface, including the connector pipe and smoke chamber.
A last camera pass shows the result, and we talk through the fuel and burning habits that led to the buildup.
What this work is quoted at for Issaquah homes — the exact figure comes from the $99 on-site inspection, credited toward the work.
| Service | Price in Issaquah | What that covers |
|---|---|---|
| Creosote Removal | From $245 | Priced by creosote stage — glazed stage 3 is the heavy end |
| Chimney Sweep | $189–$449 | Full flue swept, Level 1 inspection included |
| Chimney Inspection | $99 plus tax | Level 1 visual; Level 2 adds a full camera scan |
| Chimney Relining | From $1,895 | Full-length stainless liner, sized to the appliance |
| Chimney Repair | From $425 | Masonry repair — brick and mortar, scoped after diagnosis |
Ranges are what these jobs are quoted at in Issaquah. The exact figure is set on site after a $99 inspection (credited toward the job if you go ahead), and you approve it before any work starts.
Issaquah is a city nestled against the Issaquah Alps, with a historic downtown plus large newer developments in the highlands. We work every part of it — Gilman, Issaquah Highlands, Squak Valley included.
IssaquahKing County, WA · 47.530, -122.033
Before and after
Illustrations of what each repair changes on a typical chimney — not photos of a specific job.
Before
After
Before
After
Before
After
Four steps, each one on paper — so you always know what happens next.
Choose a genuine opening on the crew's calendar. Confirmation is immediate.
Liner, crown, cap, flashing and masonry examined in order — each finding photographed.
One document, plain numbers, covering only the work your chimney genuinely needs.
The repair is completed, then handed over with before-and-after photos of every item.
From $245. Light glazing in a short flue stays near that; heavy glazed creosote along the full flue, needing several treatments, costs more. We quote after the camera look.
A sweep handles normal, brushable deposits. Glazed creosote needs extra steps and time. If a sweep is all you need, we will say so.
If there has been a flue fire, yes: we recommend a Level 2 inspection before any removal. The on-site inspection is $99 plus tax, and it is credited toward the work when you approve the written quote.
A $99 on-site inspection, a written quote before any work, and photos of every item we touch.