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Bellevue, WA
Skylight Leak Repair And Replacement in Bellevue, WA
Reflashing or replacement, sorted out before the next Bellevue rain.
Across King County, whether you're in Downtown Bellevue, West Bellevue / Enatai, Yarrow Point, or elsewhere around Bellevue, skylight repair & replacement is worth arranging with somebody who works on this housing stock rather than a generic plan. Foundation type, soil and building age all change what has to happen first.
Nearly all of this work is residential: residential roofing covers the approach for houses, while commercial and multi-unit buildings are handled under commercial roofing.
Warning Signs
Signs You May Need Skylight Repair & Replacement
Water Stains Below The Light Well
A skylight leak often starts as a stain at the corner of the frame after a heavy rain off Lake Sammamish or Bear Creek weather systems. Before assuming the glass unit itself failed, check whether the water tracks from a failed gasket around the glazing seal or seeps in at the head where the flashing apron meets the roof deck. A curb-mounted skylight and a deck-mounted skylight fail differently, so the entry point tells a roofer which repair actually applies.
Fogged Or Cloudy Glazing
Fogged glass between the panes is condensation trapped inside a broken seal, not a roof leak, and no amount of reflashing fixes it. Homes near Phantom Lake or Beaver Lake with older double-pane skylights see this often once the unit passes fifteen or twenty years old. Condensation on glass that clears once the room warms is normal moisture, but a permanent haze between panes means the sealed unit itself needs replacing, separate from any work on the surrounding roof.
Cracked Flashing Apron At The Curb
A skylight flashing kit wears out well before the shingles around it do, especially on homes near the Bellevue Botanical Garden or Kelsey Creek where conifer shade keeps the roof damp longer between rains. Watch for daylight showing at the flashing edges, cracked sealant along the apron, or rust streaks below an older metal kit. Reflashing an aging skylight while the surrounding shingles still have years left is common and cheaper than a full unit swap.
How It Works
Our Skylight Repair & Replacement Process
Skylight Inspection In Bellevue Homes
The roofer inspects the skylight from inside and on the roof, checking the glazing seal, the flashing apron, and the deck around the curb to find whether water is entering at the head, the sides, or between the panes.
Diagnosing Leak Versus Condensation
If the skylight and surrounding shingles both have years of life left, the pro removes and replaces the flashing kit around the curb or deck mount, resealing the glazing seal where needed without touching the sealed glass unit.
Reflashing Or Unit Replacement
If the sealed unit is fogged, cracked, or the curb itself has rotted, the old skylight comes out and a new curb-mounted or deck-mounted unit goes in, sized to match the existing roof opening and shingle course.
Final Check Before The Wet Season
Where a reroof is already due, the skylight replacement is scheduled alongside the tear-off so the new flashing ties into new shingles in one pass, rather than patching new flashing into an aging roof field.
Why this matters
Many Bellevue homes near Wilburton and Northeast Bellevue have skylights cut into roofs that see long stretches of overcast, wet weather rather than hard freezes, so a failed gasket or worn flashing apron has months to work water into the deck before anyone notices. Catching a leak at the head early, before the sheathing underneath is soaked, is what keeps a skylight repair from becoming a larger deck repair.
Licensing & Local Standards
Code-Compliant Skylight Repair & Replacement in Washington
Recover Or Tear-Off Rules In Bellevue
Composition shingle dominates Bellevue roofs, and a skylight cut into that field needs a flashing kit matched to the shingle's slope and exposure, not a generic universal kit. On cedar shake homes near Somerset or West Bellevire, the curb has to clear the shake courses correctly or water finds the gap. Bellevue's wet season runs long, so a poorly matched kit shows its failure within a season or two rather than years.
Timing Replacement With A Reroof
A skylight rarely fails on the same schedule as the shingles or cedar around it. The seal, gasket, and flashing apron wear out from years of standing water and shifting temperatures well before the surrounding roof is due. Homeowners near Wilburton and the Bridle Trails area often plan a skylight swap for the same week as a reroof, since opening the deck once covers both jobs and avoids paying twice for scaffolding and access.
Plain Numbers
Skylight Repair & Replacement: Estimated Cost by Job Size
Most skylight repair & replacement jobs in Bellevue fall inside these ranges. The inspection costs nothing and the exact figure is written down before any work starts.
| Material Fit | Ventilation Check | Timeline |
|---|---|---|
| Some roofing crews do one job: haul off the old layer and nail down new shingles. That works fine until flashing around a chimney or valley needs real attention, or the decking underneath turns out soft. A narrow scope means narrow answers when the job stops being simple. | Full tear-off, new decking as needed, flashing, no cleanup upsells | an estimated $280–$3420 |
| A generalist who does gutters one week and roofs the next brings less pattern recognition to a tear-off. Moss lift, failed valley flashing, and cedar shake conversions show up often enough locally that a roofing-focused crew has already seen your specific problem before. | Full tear-off, new underlayment and flashing, gutter check; no structural or deck framing repair | an estimated $400–$4680 |
| Price alone tells you little. A bid that skips proper flashing detail or ignores attic ventilation can look cheaper up front and cost more within a few wet seasons. The lower number and the better roof are not always the same roof. | Multi-layer tear-off, sheathing swap, new flashing, ridge and valley work | an estimated $520–$6480 |
| A crew that only reroofs sees the same failure points repeatedly: lifted moss-damp shingles, rusted gutters, undersized downspouts. That repetition is worth something. It means fewer surprises mid-job and a bid that already accounts for what's usually hiding under the surface. | Whole-roof reroof: tear-off, moss-damaged sheathing swapped, flashing and valleys redone | an estimated $720–$9360 |
A lower bid that separates labor from materials to shrink the taxed amount is not a discount — it is a miscalculation the state can still collect on later. The licensed pros we connect you with quote one number that already accounts for it correctly.
Questions & Answers
Frequently Asked Questions
Is my skylight leaking or just fogged with condensation?
Water on the inside of the glass on a cold Bellevue morning is usually condensation on glass, not a leak. A true leak at the head or along the flashing apron shows up as a stain on the drywall or light well that tracks with rain, not with temperature. If the fogging sits between two panes of glass rather than on the inside surface, that is a failed gasket in the unit itself, not a roof problem.
Can you reflash my skylight instead of replacing it?
If the glass and frame are sound and the leak traces to worn flashing, the pros we connect you with can often pull the old flashing apron and install a new skylight flashing kit around the same curb or deck-mounted unit. Reflashing costs less and keeps a good skylight in service. It only works when the unit itself hasn't failed, so an inspection comes before any quote.
How long does a skylight last compared to my roof?
A skylight's seals and gasket tend to wear out well before a Bellevue composition shingle roof does, especially on older curb-mounted units exposed to the area's long wet season. Once the glazing seal starts failing or the frame flexes with age, water finds its way in around the flashing even if the roof field around it is fine. That mismatch is why skylights get inspected on their own schedule.
Should I replace my skylight when I reroof?
Timing replacement with a reroof is common in Bellevue because the roofing material around the curb gets pulled up anyway, so setting a new flashing apron and unit costs less labor than doing it as a standalone job later. It also means the new roof and the new skylight age together instead of one outlasting the other. If your skylight is original to an older roof, this is the point to decide.
What's a sun tunnel and is it different from a skylight?
A sun tunnel, sometimes called a solar tube, is a smaller reflective duct that brings daylight down through a light well without the full glazed unit a skylight uses. It's a simpler install with less roof penetration and fewer flashing seams than a curb-mounted or deck-mounted skylight. Homes in Bellevue neighborhoods with heavy Douglas fir canopy sometimes choose one over a full skylight for that reason.
Can an operable skylight be repaired if it won't close right?
An operable skylight that won't seat and latch properly usually has a worn crank, chain, or gasket rather than a structural problem, and that's often a repair rather than a full unit replacement. Left alone, a skylight that doesn't close flush lets water past the glazing seal every time it rains. The licensed pros we connect you with can tell you whether the hardware or the seal is the actual failure.
How much does skylight repair & replacement cost in Bellevue?
Reroofing here is mostly a planned expense homeowners budget for, not something an insurance claim covers after a storm. Crews also book up fast in the short dry stretch from late spring into early fall, so timing a quote well ahead of that window matters. The licensed pros we connect you with can give you a realistic schedule instead of a guess.
Learn More
Skylight Repair & Replacement: Further Reading
Bellevue roofs wear out through repeated wetting more than any single storm. Long overcast stretches keep surfaces damp, moss takes hold in shaded sections, and small flashing gaps let water travel before anyone sees a stain. The pros we connect you with check valleys, penetrations, and gutter flow, not just the shingles on top.
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Ready To Move Forward
Reading about this service is a fine start, but every Bellevue roof wears differently depending on shade, pitch, and age. The details on this page describe what the work generally involves; they cannot tell you whether your roof needs it right now. The licensed pros we connect you with can look at the actual conditions - moss, flashing, gutter runoff - and tell you honestly whether this is the right job or something else is the real problem first.
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