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Chimney Flashing Repair in Washington — chimney flashing repair at the roofline

Chimney Flashing Repair

Chimney Flashing Repair in Renton

Flashing seals the joint between your chimney and roof — when it fails, water runs straight into your ceilings and walls.

$330–$1500

  • Licensed & insured
  • Free on-site inspection
  • Every job documented

Book your free inspection

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

  • No payment to book
  • Free on-site quote
  • Photos of every job
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July 2026
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Many instances of what homeowners perceive as a 'chimney leak' are actually not originating from the chimney itself, but rather from failed flashing where the chimney meets the roofline. When this critical metal-and-sealant joint corrodes, lifts, or was improperly installed, water finds a direct path, running straight down into your ceilings and walls. We precisely trace the true source of the leak, then skillfully reseal or replace the flashing, meticulously tying it back into your roof system to ensure a truly watertight seal that endures Renton's weather.

The high winds common to the Pacific Northwest can rapidly lift and loosen flashing, meaning waterfront homes in Renton often experience leaks from flashing failure sooner than inland properties. Prompt attention to these issues is key.

Book your free inspection

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

  • No payment to book
  • Free on-site quote
  • Photos of every job
  1. 1
  2. 2
  3. 3
Pick a date
July 2026
Su
Mo
Tu
We
Th
Fr
Sa
Open times

No openings that day — please try another date.

Chimney Flashing Repair in Washington — chimney flashing repair at the roofline

What's included

What a chimney flashing repair covers

The vast majority of 'chimney leaks' are not actually problems with the chimney masonry itself, but rather failed flashing at the roofline. The longer this water intrusion persists, the more extensive and costly the interior damage to your Renton home becomes.

  • Reseal or complete flashing replacement
  • Step- and counter-flashing done properly
  • We find the actual leak before we fix anything
  • Tied back into the roof, watertight
  • Photos of the finished joint

How it works

What to expect with your chimney flashing repair

Chimney Flashing Repair in Washington — chimney flashing repair at the roofline
  1. Find the leak

    We trace water staining back to its actual entry point.

  2. Reseal or replace

    Sound flashing is resealed; corroded or lifted flashing is replaced.

  3. Tie in & waterproof

    Step- and counter-flashing are integrated back into the roof.

  4. Verify dry

    Photos document a watertight roof-to-chimney joint.

Local & accountable

How we work across the Eastside

12
Chimney & venting services
1
Counties — King
Every job
Documented with before & after photos
Licensed
& insured for south King County work

Why it matters

Why chimney flashing repair matters

It's a common misconception, but most 'chimney leaks' aren't a chimney problem at all – they originate from the flashing, which is the vital metal and sealant joint where your chimney connects to the roof. When this flashing corrodes, lifts, or was poorly installed, water gains a direct pathway into your ceilings, walls, and structural framing. Here, it can silently rot wood and foster mold growth long before any visible signs appear. Catching a flashing failure early ensures that what might be an inexpensive reseal doesn't escalate into a far more costly framing and drywall repair.

Signs you may need chimney flashing repair

If any of these sound familiar, it's worth a free inspection:

  • Water stains on the ceiling or wall near the chimney
  • Rusted, lifted, or separated flashing at the roofline
  • Dripping or dampness in the attic around the chimney
  • Peeling paint or damp drywall after heavy rain
  • Cracked or failed sealant where metal meets masonry

See the difference

Chimney Flashing Repair — before & after

The before shows rusted or lifted flashing at the roof-to-chimney joint, the most common source of a ceiling stain near the chimney. The after is new step and counter-flashing, properly lapped and sealed. Done right, flashing is a layered metal detail — not a bead of caulk — and it's what keeps the roof watertight where two surfaces meet.

Before — chimney flashing repair: Rusted-through flashing stripped and rebuilt where the chimney meets the roof.
Before
After — chimney flashing repair: Rusted-through flashing stripped and rebuilt where the chimney meets the roof.
After

Rusted-through flashing stripped and rebuilt where the chimney meets the roof.

Representative example of a typical chimney flashing repair — not a specific customer job. We add photos of our own completed the Eastside projects as we finish them.

Representative exampleTypical scenario — not a specific customer job
A common one: a two-story house up on Snoqualmie Ridge where a ceiling stain by the chimney comes back after every hard storm. Up on the Ridge, wind-driven rain finds any flashing that's rusted, lifted or living on old caulk. We strip the failed metal and install proper step and counter-flashing, lapped and sealed into the roof. The joint stays dry through the next storm cycle, and the stain finally stops.
A south King County home with a masonry chimney

King County's Eastside

Chimney Flashing Repair across the Eastside

Licensed local crews, free on-site inspection and a written quote before any work. Book a real open slot on our calendar.

What you can count on

Chimney Flashing Repair — done the right way

Licensed local crews, an honest written quote, and photos of every job. No call centers, no scare tactics.

  • Licensed & insured

    Licensed and insured for Eastside home-improvement work. We carry what the state requires and stand behind every repair.

  • Written quote first

    You get a clear written quote — with the deposit and balance shown up front — before any work begins. We recommend only what your chimney actually needs.

  • Before & after photos

    Every job is documented with before-and-after photos, so you can see exactly what was inspected and what was repaired — no guesswork.

  • Written warranty

    Completed work comes with a written warranty document, so your repair is backed in writing — not just a handshake.

  • Transparent payment

    A clear deposit — never more than 50% — shown up front on your written quote, with the balance due only once the work is finished and you're satisfied.

  • One local crew

    The crew that quotes your job is the crew that does it — no call centers, no rotating subcontractors.

Related services

Often booked alongside chimney flashing repair

One local crew handles your whole chimney — here's what most homeowners pair with it.

By town

Chimney Flashing Repair across the Eastside

Map of our chimney service area across King County's Eastside, WA

Service-area map — King County, WA. Map data © OpenStreetMap contributors.

FAQ

Common questions about chimney flashing repair

Why is water staining my ceiling near the chimney?
This is almost always a clear sign of failed flashing at the roof joint. We will meticulously trace the source of the leak and either reseal or replace the flashing before it causes further damage to your ceiling and structural framing.
Should the flashing be resealed or replaced?
Our approach is honest and diagnostic. If the flashing is still in sound condition, we will carefully reseal it. If it's corroded, significantly lifted, or was improperly installed from the start, we will recommend and perform a full replacement, explaining our reasoning clearly.
How much does flashing repair cost?
A simple flashing reseal is a relatively inexpensive repair. A full replacement, which involves new step- and counter-flashing, will naturally cost more due to materials and labor. You will receive a transparent quote after our diagnosis.
Is the chimney or the flashing causing my leak?
We conduct a thorough diagnosis of both the chimney and the flashing. If the issue turns out to be with the crown, cap, or masonry instead, we will inform you. Our goal is to fix the actual cause of the leak, not just make an educated guess.
How long does flashing repair take?
Most chimney flashing repairs can be completed efficiently within a single visit, minimizing inconvenience to your Renton home.