Renton & South King County, WA
Chimney cap installation in Renton fits a stainless steel cover and screen over the flue, closing the opening to rain, fir needles, nesting animals and stray embers.
Our price
$265–$850
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 Renton documents the state of the flue, liner, crown, cap and flashing in photos, so the next fire is lit on evidence instead of habit.
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A chimney sweep in Renton brushes a season of soot and creosote out of the flue, then hands you photographs of the cleaned walls so their condition is yours to judge.
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Chimney repair in Renton is structural work: resetting or replacing broken brick, rebuilding failed courses, and taking a stack down to the roofline when it can no longer be saved.
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Chimney relining across southeast King County replaces a cracked or oversized flue lining with a stainless steel liner whose diameter is set by the appliance it serves.
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Chimney cap installation in Renton fits a stainless steel cover and screen over the flue, closing the opening to rain, fir needles, nesting animals and stray embers.
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Gas fireplace service across southeast King County covers cleaning and testing of burner, pilot, glass and vent on gas fireplaces, inserts and log sets before the heating season leans on it.
Learn moreRanges shown for orientation — the exact figure is written up on-site, after the inspection.
Picture an open pipe pointed straight up, in a place where WeatherSpark's November average is about 8.0 inches of rain in Renton, 8.3 in Newcastle, 8.9 for Maple Valley and 9.8 for Snoqualmie. That is an uncapped flue. Everything that falls into it ends up on the damper or the smoke shelf, and the Washington State Fire Marshal includes installing a chimney cap in its home heating advice. Our job is to measure the flue or the full crown, choose the stainless cap that fits both the opening and the appliance, anchor it, and photograph the result.
Tree cover climbs as you leave the lake. WeatherSpark's land-cover summary finds about 13% trees within 2 miles of Newcastle, about 62% around Maple Valley and about 77% around Snoqualmie. Renton's hazard annex notes that some of its neighborhoods are built entirely within large stands of tall trees, and Newcastle's says wind events that bring trees down happen every couple of years. Under canopy like that, an open flue fills with debris all year, and a cap struck by a limb should be checked from the ground after each storm.
Two things come down an open flue: water and wildlife. Water rusts the damper and soaks the liner. A nest across the top stops the draft, and with a gas appliance below, that means exhaust and carbon monoxide turning back toward the room.
A cap must keep things out without holding smoke in, and the state code guards that balance. Where a spark arrestor or a rain cap is fitted to a masonry chimney, sections R1003.9.2 and R1003.9.3 of Washington's 2021 residential code call for an open area no smaller than four flue outlets' worth. An undersized cap, or a screen caked with soot, cuts into that ratio and the fireplace starts to smoke. This is one reason the cap and the yearly sweep belong together: the brushes that clean the flue also clear the mesh. On a factory-built fireplace we fit the termination made for that system and nothing improvised.
How it works
Tile dimensions, number of flues and the state of the crown narrow the choice.
One flue, several flues, or the termination a factory-built system is designed to carry.
Fastened firmly enough that a winter gust leaves it where it is.
Licensed& insured Washington chimney contractor
4 communitiesRenton, Newcastle, Snoqualmie and Maple Valley
$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 South King County 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) 979-2035 — a local South King County number, the same one on every page of this site.
Licensed& insured Washington chimney contractor
4 communitiesRenton, Newcastle, Snoqualmie and Maple Valley
$99 plus taxInspection, credited toward an approved quote
Every jobDocumented with before-and-after photos
Serving Renton, Newcastle, Snoqualmie & Maple Valley
$265–$850, fitted. A standard cap on one flue is the low end; a multi-flue cap or a made-to-measure size is the high end.
Only a wrong one. Built with four times the flue outlet's area in open screen, the ratio the residential code sets, a cap leaves the draft alone. Smoke problems after a cap goes on usually mean it is too small or its screen has clogged.
Among the code sections our research covers, the state requires a sloped cap of concrete, metal or stone on top of the masonry itself, and it regulates the size of a rain cap or spark arrestor where one is installed. The State Fire Marshal recommends a chimney cap, and so do we.
Yes. Rain and birds do not care what burns below. A gas vent needs its correct termination, and a blocked one is a carbon monoxide hazard.
See chimney cap installation pricing in detailMore chimney questions
Chimney repair in Renton is structural work: resetting or replacing broken brick, rebuilding failed courses, and taking a stack down to the roofline when it can no longer be saved.
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Masonry repair in Renton renews the crown at the top of a brick chimney and the mortar joints below it, the two places where rain gets in first.
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Chimney flashing repair in Renton reseals or replaces the sheet metal where the stack meets the shingles, the joint behind most chimney-side roof leaks.
Learn more| Service | Price in Renton | What that covers |
|---|---|---|
| Chimney Cap Installation | $265–$850 | Stainless cap fitted; multi-flue and custom at the top |
| Chimney Repair | From $375 | Masonry repair — brick and mortar, scoped after diagnosis |
| Masonry Repair (Crown / Repointing) | From $425 | Crown work, repointing and tuckpointing by surface area |
| Chimney Flashing Repair | $330–$1,500 | Reseal at the low end, full flashing replacement at the high |
Ranges are what these jobs are quoted at in Renton. 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.
