Redmond & the East Side, WA
Chimney waterproofing in Redmond treats sound brick with a breathable water repellent, so that rain beads and runs off while moisture already inside can still escape.
Our price
$285–$790
Book an inspection
Book your $99 inspection
$99 plus tax, deducted when you approve the repair
Not sure where to start
Pick what you're seeing — we'll point you to the right fix.
What we do
Sweeping, inspection, relining and masonry — one local crew for the whole chimney.

A chimney inspection in Redmond tells you, with photos, what shape the flue, liner, crown, cap and flashing are in before you trust them with another season of fires.
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Chimney sweeping in Redmond clears out the soot and creosote last winter's fires left behind, and ends with a look at the flue once its walls are bare.
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Chimney repair in Redmond covers the structural work on a stack: loose or broken brick, failed joints, a leaning top, and rebuilds when patching is no longer honest.
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Chimney relining in Redmond gives a damaged or mismatched flue a new stainless steel liner, with a diameter chosen for the appliance that vents through it.
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Chimney cap installation in Redmond puts a stainless cover over the flue to keep rain, needles, birds and embers from passing through an opening that was never meant to be left bare.
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Gas fireplace service in Redmond cleans and tests the burner, pilot, glass and venting of a gas fireplace, insert or log set, so it lights when asked and vents where it should.
Learn moreRanges shown for orientation — the exact figure is written up on-site, after the inspection.
Humidity in the usual sense is not the issue here: WeatherSpark reports that muggy conditions in Redmond stay at about 0% all year. The issue is how long things stay wet. In a western Washington winter, the Western Regional Climate Center finds just four to eight days per month that are clear or only partly cloudy, and it puts January relative humidity in the interior valleys near 87 percent before dawn. Brick that gets rained on in those months has few chances to dry. After any needed masonry repair, we clean the stack and apply a vapor-permeable repellent to the brick and joints.
The valley towns dry out even more slowly. WeatherSpark gives Carnation a wetter season of about 7.3 months, October 7 to May 17, and the regional climate center notes that in late summer and early fall the lower valleys are sometimes filled with fog or low clouds until noon. For a brick chimney in Duvall or Carnation, the window in which it can dry between soakings is short, and a repellent makes the most of it.
A chimney is the one piece of masonry on most houses with all four sides and the top exposed. Across a wet season of nearly seven months, untreated brick absorbs water on every rainy day and gives it back slowly, and that soaked state is what feeds frost damage, staining and leaks.
The word that matters is breathable. A film-forming sealer or ordinary paint locks in whatever moisture the brick already holds, and frost then does its damage from the inside. A vapor-permeable repellent lines the pores without closing them. Waterproofing also has limits you should hear before you pay for it: it does not fix a cracked crown, open joints or bad flashing, and applied over those faults it only hides them for a while. Moss is a related sign. WSU Extension ties it to surfaces that remain wet for extended periods, which is exactly the condition a repellent is meant to shorten.
How it works
Cracked joints or a failed crown get repaired before treatment, never sealed over.
Moss, dirt and anything loose come off first; the repellent has to touch bare masonry.
The repellent goes on evenly over brick and mortar, in dry conditions.
We photograph the finished stack and note the date of treatment in your report.
Licensed& insured Washington chimney contractor
4 communitiesRedmond, Sammamish, Duvall and Carnation
$99 plus taxInspection, credited toward an approved quote
Every jobDocumented with before-and-after photos
If any of these sound familiar, book the $99 plus tax inspection — credited toward the work if you approve the quote:
By town
The 4 East Side communities we serve. Pick yours for local scheduling and the chimney issues we see there.
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.
Before you let anyone in
Every fact below is one you can check yourself before we ever set foot on your roof.
The on-site inspection is $99 plus tax, and it is credited toward the work when you approve the written quote. Booking online asks for no card.
You get the price in writing, for the work your chimney actually needs, and nothing starts until you have approved it.
Each item we inspect or repair is photographed before and after, so the condition of your chimney is on record.
Call (425) 470-6533 — a local East Side number, the same one on every page of this site.
Licensed& insured Washington chimney contractor
4 communitiesRedmond, Sammamish, Duvall and Carnation
$99 plus taxInspection, credited toward an approved quote
Every jobDocumented with before-and-after photos

Serving Redmond, Sammamish, Duvall & Carnation
Our waterproofing runs $285–$790. The height and width of the stack, plus the amount of cleaning required beforehand, account for the spread.
A penetrating repellent is designed to dry clear and leave no film, so the brick keeps its color and texture. You notice it in the rain, when water beads on the surface.
Not by itself, and only after the leak's source is found and fixed. Most chimney leaks come from the crown, the flashing or open joints, and a repellent cannot bridge any of those. The inspection sorts out which it is.
We would not. Extension specialists at Oregon State University caution that pressure-washing done wrong damages shingles; a hard jet does the same kind of harm to old mortar. Low-pressure cleaning is part of our visit.
Summer into early fall. The repellent needs a dry surface going on and dry weather while it cures, and Redmond's driest month is July, at about 0.9 inches of rain on WeatherSpark's averages.
See chimney waterproofing pricing in detailMore chimney questions

Chimney sweeping in Redmond clears out the soot and creosote last winter's fires left behind, and ends with a look at the flue once its walls are bare.
Learn more
A chimney inspection in Redmond tells you, with photos, what shape the flue, liner, crown, cap and flashing are in before you trust them with another season of fires.
Learn more
Chimney relining in Redmond gives a damaged or mismatched flue a new stainless steel liner, with a diameter chosen for the appliance that vents through it.
Learn more| Service | Price in Redmond | What that covers |
|---|---|---|
| Chimney Waterproofing | $285–$790 | Breathable sealer — reapplied every 3–5 years in this climate |
| 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 |
Ranges are what these jobs are quoted at in Redmond. 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.
Licensed local crews, a $99 on-site inspection credited toward repairs, and a written quote before any work. Book a real open slot on our calendar.