Ravenna, King County
Our Ravenna waterproofing price runs from $320 to $795 per chimney. A short stack on a low roof, already clean, is the $320 case. Tall or wide chimneys use more repellent, and brick carrying moss or old paint needs preparation first; those jobs approach $795. Because repellent must never go over open cracks, we look the masonry over during a $99 plus tax inspection, a fee that reduces the waterproofing price by the same amount when you accept the quote.
Typical investment
$320–$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 Ravenna home — we'll point you to the right fix.
What we do
The same crew, the same written quote — for Ravenna homes.
A Level 1 review of everything reachable, raised to a Level 2 camera scan when a question stays open
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The whole flue brushed, using heads picked for the liner's size and shape
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A photo assessment that distinguishes surface wear from structural damage
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Camera survey and measurements taken before any liner is chosen
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Measurement of each flue, or of the crown when a single cap will span several
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Glass removed, cleaned and checked for a sound gasket
Learn moreRanges shown for orientation — the exact figure is written up on-site, after the inspection.
Two long weather records bracket Ravenna, and they agree. To the east is Sand Point, in northeast Seattle, where the weather office's 1986-2016 record works out to 35.50 inches of precipitation in an average year. Three months did most of the work: January at 4.99 inches, December at 5.33 and, wettest of all, November at 5.59. A typical July delivered 0.77 inch. To the south, the University of Washington station logged an average of 34.11 inches a year between 1909 and 1983, on about 146 days, with December the wettest month at 5.65 inches. Brick absorbs water at every one of those rainy days unless something stops it, and three consecutive wet months give it no time to dry.
The ravine that gives Ravenna its name was kept as parkland from the very first plat in 1887, steep sides, creek and all, and its upper end became Cowen Park in 1906. A house beside that green corridor may well stand in shade, and shade is half of the recipe for moss. Oregon State University Extension names moisture and shade, acting together, as what drives roof moss in the Pacific Northwest, and says a cleaned roof regrows it unless it gets more sun.
A water repellent changes one of those two ingredients. Treated brick dries sooner after each shower, so spores have less to work with, but the shade remains. We tell Ravenna customers what to expect: waterproofing slows the return of moss on a chimney and does not prevent it. Brushing the stack and crown every year or two, and trimming a branch that overhangs it when that is yours to trim, keeps the treatment effective for longer.
Every chimney waterproofing we do in Ravenna includes:
Smoke coming back into the room, or a smell that won't go? Book the inspection first.
Book nowAverages hide the swings. Annual totals at the University of Washington station ranged from 22.21 inches in 1930 to 50.19 inches in 1968, more than double. A repellent applied in a dry year faces a very different test two winters later. For that reason we do not promise a fixed lifespan on a Ravenna chimney. We show you how to check the treatment yourself with a cup of water, and we note the application date on the invoice so a later owner knows how old it is.
Flashing, crown and cap are checked so the treatment is not blamed for a problem it cannot solve.
Cleaning comes first, then a thorough drying period.
Repellent is applied until the surface is saturated, with roofing and gutters protected.
Photos, product name and date are added to your record.
What this work is quoted at for Ravenna homes — the exact figure comes from the $99 on-site inspection, credited toward the work.
| Service | Price in Ravenna | What that covers |
|---|---|---|
| Chimney Waterproofing | $320–$795 | Breathable sealer — reapplied every 3–5 years in this climate |
| Chimney Sweep | $209–$459 | 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 Ravenna. 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.
Ravenna is a neighborhood beside the wooded Ravenna Park ravine, annexed to Seattle in 1907, with houses from before 1940 through the 1950s.
RavennaKing County, WA · 47.676, -122.301
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.
No. Paint forms a skin that can trap moisture and peel. A repellent soaks in, leaves the brick looking unchanged and lets vapor out.
Pour a little water on the brick. If it beads, the treatment is working. If the brick darkens at once, it is time.
Only during a dry spell long enough for the masonry to dry beforehand and the product to cure afterward. Summer is easier to schedule.
A $99 on-site inspection, a written quote before any work, and photos of every item we touch.
