Columbia City, King County
Waterproofing a chimney in Columbia City runs $285 to $795. What goes on is a clear repellent that lets vapor out, applied to the brick above the roofline by sprayer or brush. A short stack with two faces in the open is the low figure; a tall one, weathered on every side and reached only with roof rigging, is the high one. The treatment comes last, never first: we mend open joints, crown cracks and loose flashing beforehand, since a sprayed liquid bridges no gap.
Typical investment
$285–$795
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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 Columbia City home — we'll point you to the right fix.
What we do
The same crew, the same written quote — for Columbia City 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.
The district's National Register file lists three civic buildings put up in Columbia City within five years of the 1920s, each in a different skin: the Ark Lodge of 1921 in brick and stucco, the Mission Revival Columbia School of 1922, and a reinforced concrete police precinct of 1926. Those three surfaces take rain very differently, and common brick drinks the most. On a house, the chimney is usually the only brick standing above the eaves with nothing sheltering any of its faces, so it tends to be the first masonry on the lot to show it has been soaking.
Every chimney waterproofing we do in Columbia City includes:
Smoke coming back into the room, or a smell that won't go? Book the inspection first.
Book nowBetween 32 and 35 inches of precipitation reach the lowlands around Puget Sound in a typical year, the Western Regional Climate Center reports, most of it in the wet months and driven by south or southwest winds. A stack therefore gets one or two faces drenched storm after storm while the others stay comparatively dry. Inside, the evidence arrives years late: a tea-colored mark on the ceiling near the chimney breast, a damp odor in the firebox, paint blistering on the plaster beside the hearth. By the time any of that shows, the brick has been wet through several winters.
Treating brick with a repellent involves no Seattle building permit. The repair that usually comes first is exempt as well: Repointing a chimney without structural change needs no permit under SDCI's remodel advice page, and R105.2 of the 2021 residential code also lists it among exempt minor jobs.
The question in Columbia City is not the building code but the district. Since 1978 the neighborhood's core has been a city Landmark District, and changes to the outside of a building there require a Certificate of Approval first. The city's list of covered changes includes exterior painting. It says nothing about clear water repellents, nor about chimneys by name. A clear product is not paint, but it is applied to the exterior, so before treating a chimney at an address inside the boundary we put the product sheet in front of the Department of Neighborhoods staff and follow their answer.
Outside the district boundary, the treatment is simply maintenance, scheduled for dry weather.
A small reservoir of water held against the brick shows how quickly it absorbs, and whether a repellent will help.
Open joints and crown cracks are repaired first, on the same visit or under a separate quote.
Growth and grime come off, and the brick is given dry weather so the product can penetrate.
We work up from the lowest course and stop on each face once the brick will take no more, then let it cure.
What this work is quoted at for Columbia City homes — the exact figure comes from the $99 on-site inspection, credited toward the work.
| Service | Price in Columbia City | 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 Columbia City. 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.
Columbia City is a former streetcar town in Seattle's Rainier Valley, founded in 1891 and annexed in 1907, with vernacular houses on the side streets of a brick commercial core, in a district whose buildings mostly date from 1891 to 1937.
Columbia CityKing County, WA · 47.560, -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.
A film-forming sealer traps water that is already in the brick. A vapor-open repellent sheds rain on the surface while still letting the wall breathe out, so the chimney dries between storms.
Several years on brick that stays sound, though it depends on how much weather the faces take. The product and the date go into your house file, so the next coat is timed by the brick, not by a guess.
Summer and early fall. WeatherSpark's Seattle profile puts the clearer stretch of the year between mid-June and early October, and the brick needs a run of dry days before and after the work.
A $99 on-site inspection, a written quote before any work, and photos of every item we touch.
