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Newcastle, King County

Chimney Cap Installation in Newcastle, WA

Installing a chimney cap in Newcastle runs from $265 to $850. A single-flue stainless cap on a reachable chimney is the low figure. Multi-flue caps that cover the whole crown, custom sizes and tops that need extra staging to reach sit toward $850. The cap is measured on site, so the one we fit matches the flue instead of being forced onto it.

Typical investment

$265–$850

  • Serving Newcastle and the rest of our King County territory
  • $99 plus tax on-site inspection, credited toward an approved quote
  • Usually on the same route as Renton, Snoqualmie, Maple Valley
  • Local crews
  • Licensed & insured
  • Documented work
  • Written quote first

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Book your $99 inspection

$99 plus tax, deducted when you approve the repair

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Book your $99 inspection

Pick a real open slot on our crew's calendar — takes about a minute.

  • No payment to book
  • Written on-site quote
  • Photos of every job
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  3. 3
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Chimney Cap Installation in Newcastle

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October 2026
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What's going on with your chimney?

Pick what you're seeing at your Newcastle home — we'll point you to the right fix.

What we do

Other chimney services in Newcastle

The same crew, the same written quote — for Newcastle homes.

Ranges shown for orientation — the exact figure is written up on-site, after the inspection.

Why Newcastle homes need chimney cap installation

A cap is the cheapest piece of a chimney and the one that takes the most weather. WeatherSpark's November for Newcastle: some 8.3 inches of rain, falling on 17 days or so. An open flue of ordinary size collects that rain directly. With a cap, the water lands on a lid and runs off the edge.

Caps on exposed Newcastle ridges have to be anchored, not perched

The city's hazard annex places Newcastle between Interstate 405, along its western edge, and Cougar Mountain Regional Wildland Park to the east. WeatherSpark measures up to 1,198 feet of elevation change within two miles. A house high on that rise can have little around it to break the wind.

The windier part of the year lasts about six months here, from October 18 to April 20 on WeatherSpark's calendar. A cap that only clamps onto the first flue tile can work loose over a few such winters. On exposed chimneys we use caps that bolt through the tile or anchor into the crown, and we check the tile itself: a lid is only as secure as what it is fixed to.

Your chimney cap installation in Newcastle: what's included

Every chimney cap installation we do in Newcastle includes:

  • Flue and crown measured before a cap is chosen
  • Cap in stainless steel, screened on its four sides
  • Fixing chosen by cap type: bolted at the tile, or anchored in the crown
  • Check that the open area meets the four-to-one rule in the state code
  • Removal and disposal of the old or damaged cap
  • Photos from the roof showing the finished installation

Signs you need chimney cap installation in Newcastle

  • Looking up the flue, you can see sky with nothing across it
  • Water dripping into the firebox during steady rain
  • Birds or squirrels heard in the chimney in spring
  • A cap that rattles, tilts or has gone missing after a storm
  • Rust running down the crown from an old steel lid

Smoke coming back into the room, or a smell that won't go? Book the inspection first.

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Why Newcastle homes need it

Washington's residential code treats the cap as part of the chimney, not as an accessory. Fit a spark arrestor or a rain cap to a masonry stack and two code sections apply, R1003.9.2 and R1003.9.3: the openings left in the cap must add up to four times the area of the flue it covers, or more. A cap that is too small or sits too low chokes the draft, which is why off-the-shelf lids so often cause smoky fireplaces. The State Fire Marshal's home heating advice for 2026 also lists installing a chimney cap among its basic steps.

Choosing a screen that fir needles cannot mat over

A cap screen keeps animals and embers where they belong, but mesh also catches whatever the trees let go. Newcastle's annex points to homes built against densely wooded natural areas and to wind events that bring down limbs and whole trees every couple of years.

Oregon State University Extension notes that the lasting answer to roof moss is more sunlight, obtained by trimming nearby trees. The same advice helps a cap. Until the limbs are cut back, we fit a cap with generous screen height and a lid that overhangs, so litter falls past the mesh instead of packing against it, and we suggest a look at the screen each autumn.

Your chimney cap installation in Newcastle, step by step

  1. 1

    Measure the top

    We record the flue's outside dimensions, its height above the crown and the crown's condition.

  2. 2

    Match the cap

    A cap is selected for the flue size and the fuel burned, with enough screen height to keep the outlet open.

  3. 3

    Fasten it for wind

    The cap is secured with stainless hardware or masonry anchors, never left held by friction alone.

  4. 4

    Confirm the draft

    We check that smoke rises cleanly with the new cap in place and send you the rooftop photos.

Chimney Cap Installation prices in Newcastle

What this work is quoted at for Newcastle homes — the exact figure comes from the $99 on-site inspection, credited toward the work.

Chimney Cap Installation prices in Newcastle — published rates, 2026
ServicePrice in NewcastleWhat that covers
Chimney Cap Installation$265–$850Stainless cap fitted; multi-flue and custom at the top
Chimney Sweep$189–$459Full flue swept, Level 1 inspection included
Chimney Inspection$99 plus taxLevel 1 visual; Level 2 adds a full camera scan
Chimney ReliningFrom $1,900Full-length stainless liner, sized to the appliance
Chimney RepairFrom $375Masonry repair — brick and mortar, scoped after diagnosis

Ranges are what these jobs are quoted at in Newcastle. 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.

Around Newcastle

Newcastle is a 4.2-square-mile hillside city beside Cougar Mountain, incorporated in 1994, with homes with a median build year of 1999, close to half of them built since 2000. We work every part of it — the Coal Creek basin, the May Creek basin included.

NewcastleKing County, WA · 47.530, -122.155

Before and after

What the work changes

Illustrations of what each repair changes on a typical chimney — not photos of a specific job.

A Renton Chimney Pros technician pointing toward the four steps of a visit

From booking to done

Four steps, each one on paper — so you always know what happens next.

  1. 1

    Book online

    Choose a genuine opening on the crew's calendar. Confirmation is immediate.

  2. 2

    On-site inspection

    Liner, crown, cap, flashing and masonry examined in order — each finding photographed.

  3. 3

    Written quote

    One document, plain numbers, covering only the work your chimney genuinely needs.

  4. 4

    Work done & documented

    The repair is completed, then handed over with before-and-after photos of every item.

Chimney Cap Installation in Newcastle — common questions

Do gas fireplaces need a chimney cap?

If the gas unit vents through a masonry chimney, yes: rain and animals enter that flue just as they would any other. Direct-vent units have their own factory termination and take only the part specified by their maker.

Is a cap enough to cure a leaking chimney?

It stops water entering through the flue opening. Water finding its way in by a split crown, thirsty brick or flashing that has let go is a separate repair, and we tell you which one you have.

Is an inspection required before a cap is fitted?

No. If the technician sees damage on the roof that warrants a full look, that inspection is charged $99 plus tax for the chimney concerned, an amount we then subtract from any quote you sign off.

Get in touch

Book an inspection

Need your chimney checked in Newcastle?

A $99 on-site inspection, a written quote before any work, and photos of every item we touch.

Call (425) 979-2035Book