Mount Baker, King County
Waterproofing a Mount Baker chimney costs $285 to $795. A compact stack, mortar in good shape and an easy roof keep it near the low number; a tall, multi-flue stack, a steep climb or a crown that needs sealing too push it up. Our repellent is the breathable kind: rainwater beads on the face, yet any dampness held deep in old clay keeps an exit. A sealer that traps water does more harm than none.
Typical investment
$285–$795
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 at your Mount Baker home — we'll point you to the right fix.
What we do
The same crew, the same written quote — for Mount Baker homes.
Level 1: every reachable component checked, with a Level 2 camera run added if something stays unclear
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Full-height brushing with a head chosen for clay tile or metal liner
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Photo assessment sorting surface wear from structural failure
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Video survey and flue measurements taken before ordering anything
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Flue-by-flue measurements, or the whole crown for a multi-flue hood
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Cleaning and testing of the burner, pilot assembly and igniter
Learn moreRanges shown for orientation — the exact figure is written up on-site, after the inspection.
Repellent helps only on sound masonry, so the brick's age counts before any spraying. Across ZIP 98144, a census area joining Mount Baker to north Beacon Hill and a few districts beyond, close to a third of the housing (31.3 percent) is from 1939 or earlier, the census reports for 2020–2024. On brick that old we often find a few joints that need raking and refilling first. Coating over an open joint only seals water in behind the repellent, so we tell you before spraying if any repointing is needed.
Mount Baker Park, built in 1909, only grew to its present size once the lake dropped in 1917 and left new ground along the shore, Wikipedia's article on the park explains. No source we have read measures whether wind picks up over the park and the water below the houses, so we make no claim about gusts on any one street.
Direction is better documented. WeatherSpark finds Seattle's wind blowing chiefly out of the south across about three-quarters of the calendar, and singles out south-facing chimney faces in Mount Baker as the ones that catch most of the wind-driven rain. That is where we start the repellent and where we check its beading first on every return visit.
Every chimney waterproofing we do in Mount Baker includes:
Smoke coming back into the room, or a smell that won't go? Book the inspection first.
Book nowSeattle's wet half of the year, as WeatherSpark tallies it, opens on October 10 and closes on April 30, with November the wettest month at about seven and a half inches. In January, cloud covers the sky 71 percent of the time. That gives a narrow window for this job: the brick must be dry when the repellent goes on, and it needs a stretch of dry weather to cure. So our spray dates cluster from about May into September, and if a wet spell arrives we move the date rather than spray damp masonry.
We look at every joint and the crown. If repointing is needed, it comes first, as a separate line on the quote.
A moisture meter, not the calendar, decides the day. The masonry has to read dry right through the face.
Two flood coats of breathable repellent go on, with adjoining roofing and siding masked off.
A water spray after curing shows the brick beading instead of darkening, and you get the photos.
What this work is quoted at for Mount Baker homes — the exact figure comes from the $99 on-site inspection, credited toward the work.
| Service | Price in Mount Baker | What that covers |
|---|---|---|
| Chimney Waterproofing | $285–$795 | 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 |
| Chimney Repair | From $425 | Masonry repair — brick and mortar, scoped after diagnosis |
Ranges are what these jobs are quoted at in Mount Baker. 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.
Mount Baker is a Seattle neighborhood laid out in 1907 as the Mount Baker Park Addition, on the lakeshore, with houses built mostly in two waves, 1905 to about 1920 and then 1920 to 1929, a good share of them designed by Seattle architects. We work every part of it — the Mount Baker Park Addition, the York Addition included.
Mount BakerKing County, WA · 47.579, -122.287
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.
Several years on exposed brick, depending on sun, wind and the product. We note the date and product on your record so the next application is easy to plan.
A vapor-permeable repellent leaves no gloss and does not darken the brick once dry. We avoid film-forming sealers on old masonry.
If the inside leaks too, yes. Our $99 plus tax inspection finds where the water enters; that sum is credited once you approve the work it leads to.
A $99 on-site inspection, a written quote before any work, and photos of every item we touch.
