Sammamish, King County
If there is one chimney part that earns its keep in Sammamish, it is the cap. Nearly half the city sits under trees, and an open flue under a tall conifer is a funnel for needles, cones, rain and whatever animal finds it first. An installed stainless cap costs $235 to $850 here. The lower figure buys one standard flue cover; the upper one, a fabricated top spanning several flues.
Typical investment
$235–$850
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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 Sammamish home — we'll point you to the right fix.
What we do
The same crew, the same written quote — for Sammamish homes.

A Level 1 check, or a Level 2 with a camera run through the flue when the visible parts are not enough
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Brushing of the whole flue, top to firebox, with brush heads sized to the liner
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A photographed assessment that separates cosmetic wear from structural damage
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A camera run and full measurements before any liner is ordered
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Cleaning and testing of the burner, the pilot assembly and the ignition
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Close-up photos of the crown and of every face of the stack
Learn moreRanges shown for orientation — the exact figure is written up on-site, after the inspection.
The numbers behind that are local. WeatherSpark counts about 17.7 wet days in an average Sammamish November and roughly 8.9 inches of rain that month alone, all of which falls straight down an uncapped flue onto the damper and smoke shelf. The same source finds the wind blowing most often from the south from September 3 to May 13, roughly 8.3 months, so rain here rarely falls vertically. A cap needs a lid wide enough to cover the flue against rain arriving at an angle.
Forty-eight percent of Sammamish's 13,228 acres is under tree canopy or woody shrubs, per the city's hazard mitigation annex. Oregon State University Extension describes what that litter does on a roof: moss catches dirt and fallen material and keeps all of it wet. On a chimney, the same mix collects around an open flue and washes inside with the first heavy rain.
A cap with an intact screen breaks that cycle at the top. Because the annex also reports frequent fallen limbs in winter storms, we mount caps so a glancing hit bends the lid without pulling the whole assembly off the flue.
Every chimney cap installation we do in Sammamish includes:
Smoke coming back into the room, or a smell that won't go? Book the inspection first.
Book nowCaps fail on the plateau in predictable ways. Painted or galvanized steel rusts through and streaks the crown. Screens tear, and squirrels or starlings take the opening. Caps held on by friction or a bead of sealant lift off in a winter gale or are knocked off by a branch. And some chimneys simply never had one. When we replace a cap we look at why the old one failed and choose the fastening and the mesh accordingly.
We go up, size every flue and note the crown's condition and how exposed the chimney is to wind and overhanging branches.
You see the options and the price for each: single-flue, multi-flue, or a fabricated top for an odd size.
The cap is anchored with stainless hardware so wind and snow load do not shift it.
We confirm the screen is clear and the lid height does not restrict the flue, then send photos.
A cap's screen works in both directions: it stops debris coming in and sparks going out. The Washington State Fire Marshal's fireplace guidance, issued in September 2026, advises a chimney cap in plain terms. In a city whose hazard annex describes steep forested slopes and many points where housing meets urban forest, that screen is the cheapest piece of fire protection on the roof.
The annex is candid that wildfire west of the Cascades has been a low risk historically and is becoming less so as drought stresses trees. The governor's statewide burn ban of August 1 to September 30, 2026 followed a fourth consecutive statewide drought. We check mesh condition on every cap we touch and replace torn screens instead of patching them.
What this work is quoted at for Sammamish homes — the exact figure comes from the $99 on-site inspection, credited toward the work.
| Service | Price in Sammamish | What that covers |
|---|---|---|
| Chimney Cap Installation | $235–$850 | Stainless cap fitted; multi-flue and custom at the top |
| 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 $1,900 | 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 Sammamish. 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.
Sammamish is a 24-square-mile plateau city, roughly 500 feet up, on Lake Sammamish, with homes with a median build year of 1994, more than half of them built in the 1980s and 1990s. We work every part of it — Sunny Hills, Sahalee, Klahanie included.
SammamishKing County, WA · 47.616, -122.036
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.
$235 to $850, installed. One standard flue is near $235. Two or three flues under one lid, an oversized flue or a custom stainless top moves toward $850.
The screen is sized to stop needles and animals while letting smoke through, and it sits where we can clear it during a yearly visit. A flue with no cap fills with the same needles further down, where they are harder to reach.
It needs the termination its manufacturer specifies, which is not a generic chimney cap. We identify the appliance first and fit only the listed part.
A $99 on-site inspection, a written quote before any work, and photos of every item we touch.