Skylight repair in Rosemead starts with one question: is the water coming through the skylight, around it, or from the roof above it? Most leaks we trace turn out to be flashing or curb problems rather than a broken unit, and those can be fixed without buying a new skylight. Repair is one of three services under our skylight work, and we tell you plainly when a repair would only delay a replacement.
The first big storms of the rainy season, usually between November and February, are when most skylight leak calls come in. A dry, hot summer has had months to crack sealant and dry out old flashing.
Signs your skylight or its flashing has failed
- Water stains on the drywall of the light shaft, often at the upper corners.
- Drips from the frame or the center of the dome during rain.
- Peeling paint or soft drywall at the ceiling around the opening.
- Fog or moisture trapped between two panes of glass.
- A dome that looks yellow, chalky or crazed with fine cracks.
- Dark stains on attic framing around the skylight shaft.
Where the stain sits gives a clue. Staining at the top of the shaft usually means water got past the headwall flashing on the uphill side. Staining at the bottom edge often points to the sill flashing or water running down the inside of the glass.
What makes skylights leak on San Gabriel Valley roofs
Local conditions speed up a few failure patterns we see over and over.
- Heat and UV: summer sun breaks down acrylic domes, rubber gaskets and the roofing cement used on older installs.
- Sealant instead of flashing: many skylights added in 1970s and 1980s remodels were set on wood curbs and sealed with mastic, which cracks within a few seasons.
- Debris dams: jacaranda, ficus and pine debris piles up on the uphill side and pushes water over the flashing.
- Aging roof around the unit: worn shingles or brittle tile underlayment let water reach the deck near the curb.
- Rotted curbs: years of slow leaks soften the wood curb until fasteners no longer hold.
Is your skylight leaking from the glass, the seal or the flashing?
We sort it out from both sides of the roof, working in this order:
- Inside: we map the stain, check the shaft, and look into the attic for wet framing around the curb.
- Glass or dome: we look for cracks, crazing, separated seams and failed glazing seals.
- Frame and gasket: we check the seal between the unit and its curb, and any weep holes meant to drain condensation.
- Flashing: headwall, step and sill flashing, and whether the roofing laps them correctly.
- Roof uphill: shingles, tile and valleys above the skylight that could feed water down to it.
- Water test: on a dry day we wet each side of the skylight in turn, bottom first, until the leak appears.
Skylight repair options and their trade-offs
Clean and reseal
Clearing debris and renewing a failed gasket or sealant joint is the smallest fix. It suits a sound unit with intact flashing and a minor seal failure. Sealant alone over failed metal only buys a season, so we avoid it as the main repair.
Reflash the skylight
We remove the roofing around the curb, install self-adhered membrane and a proper headwall, step and sill flashing kit, and reweave the shingles or reset the tile. This is the most common permanent repair.
Rebuild the curb
If the wood curb has rotted, we remove the unit, replace the curb and any soft deck, then reinstall and reflash. A sound unit can often go back on its new curb.
Replace the dome or unit
A cracked dome or fogged glass usually means the unit has reached the end of its life. Some curb-mounted domes can be swapped on their own; otherwise our skylight replacement service covers a full swap.
Curb-mounted or deck-mounted: why it changes the repair
Most older skylights here sit on a site-built wood curb, a box framed above the deck and flashed like a small chimney. Newer deck-mounted units have a built-in flange that seals straight to the sheathing under a flashing kit made for that size. A curb-mounted dome can usually be lifted off and reflashed in place. A deck-mounted unit needs its matching kit, or replacement if that kit is no longer sold.
A skylight repair visit, start to finish
- You call (725) 745-8803 and tell us where the water shows and when it started.
- When crews are free, a visit can happen same-day or next-day, and an actively leaking skylight can be covered temporarily.
- We inspect, photograph the cause and give you a written quote.
- After you approve, the repair goes ahead, and you get photos of the new flashing or curb before roofing covers it.
- We let you know when the shaft drywall has dried out and is ready for patching.
Resealing takes an hour or two. Reflashing usually takes a few hours to a day, and curb rebuilds or tile roofs can take a full day.
Need skylight repair help this week?
Tell us what you are seeing. We schedule same-day or next-day visits when crews are free and send photos with a written quote.
- 4.9 from 48 Google reviews
- Based on Rosemead Blvd
- Photos and a written quote before work
What affects skylight repair cost?
Skylight repairs are priced by what has to come apart. Main factors:
- Roof material: shingle reweaving is quicker than cutting and resetting tile.
- Repair scope: resealing, reflashing, curb rebuild or dome swap.
- Hidden rot in the curb or deck once roofing is removed.
- Roof pitch, height and access to the skylight.
- Interior drywall repair, handled separately from roofing.
We list each item on the quote so you can see what drives the total.
The unit itself adds two variables. A discontinued deck-mounted size can turn a reflash into a sourcing problem, and several skylights on one roof can share one setup, so fixing them together costs less per unit than separate visits. Shaft drywall is priced apart from the roofing, or left to your painter.
Does a skylight repair need a permit or a licensed roofer?
Usually not a permit. Resealing, reflashing and swapping a dome in the same opening are repairs. A permit typically comes into play when the opening is cut larger, framing changes or a large section of roof is replaced around the unit. In Rosemead that permit comes from the city's Building and Safety Division, and in unincorporated communities from LA County Public Works Building & Safety, so confirm with the office that covers your address.
Licensing is a separate test. Under B&P Code §7048, any job above $1,000 in labor and materials, the limit as of 2025, requires a CSLB-licensed contractor, and roof work falls under the C-39 class. Ask whoever quotes a curb rebuild or reflash for a license number, then check it and the workers' compensation record at cslb.ca.gov.
Keeping a repaired skylight dry
- Clear leaves and needles from the uphill side before the first fall storm.
- Run the bathroom fan during and after showers to cut condensation on the glass.
- Look at the shaft after the first heavy rain each season; a new stain caught early is a small repair.
- Plan to replace the skylight along with the roof when the roof is next replaced.
Our skylight maintenance tips go through a simple yearly routine. If you want light in a room that has none, see skylight installation.
Why homeowners call Tylzen Spoke for skylight leaks
- Repairs come with photos showing what failed and how it was fixed.
- Reviewers say we explain options plainly and don't push a new skylight when a repair will do.
- Rosemead Blvd is home base, so homes across the SGV are a short drive for leak calls.
- Google shows 48 reviews for us, and as of November 2026 they average 4.9 stars.
Any replacement parts carry coverage from their maker that varies by product, while workmanship terms for the repair go into your contract. Ask for both in writing before work starts.
We repair skylights in Alhambra, San Gabriel and Monterey Park, along with neighboring cities.
What customers say on Google
4.9★ from 48 Google reviews (checked Nov 2026)
“I was very happy with the roofing service I received. I reached out because the skylight in my bathroom was leaking, and Brandon scheduled a visit right away. He actually arrived on time, which is rare these days! …”
“They exceeded my expectations and fixed my roof leak the same day. William and Brandon were professional, efficient, skilled, knowledgeable, respectful, and easy to work with. They found and corrected a roofing issue that was left behind after a previous roof installation, which had been causing the leak. …”
“William was very professional and easy to work with. We had a long-term roof leak around the attic and a room on the second floor, and several roofing contractors came out to inspect it and give estimates. William clearly had the strongest roofing experience, explained the problem in simple terms, and his price was competitive too. …”
Where we handle skylight repair
- Rosemead
1950s ranch homes where skylights added in later remodels sit on mastic-sealed wood curbs that crack after a few hot summers.
- Alhambra
Older bungalows with hallway and bathroom skylights cut into board-sheathed roofs, where curb rot follows years of slow leaks.
- San Gabriel
Clay tile homes where skylight flashing sits under hand-set tile, so every repair means lifting and resetting tile around the curb.
- Monterey Park
Hillside concrete tile roofs where leaves pile behind skylights on the uphill side and push water over the headwall flashing.
- Temple City
Remodeled ranch homes with 1980s acrylic domes, now yellowed and crazed enough that dome swaps and reflashing come up together.
- Arcadia
Large homes with several skylights under mature trees, where clearing debris dams and reflashing every unit in one visit makes sense.
- Pasadena
Craftsman and mid-century homes with skylights near low-slope sections, where flashing has to tie into both shingle and membrane.
- El Monte
Post-war tract homes with flat-roofed additions, where skylights on low-slope membrane leak at the curb corners after summer heat.
- South Pasadena
Older Craftsman homes where bathroom skylights take both shower steam and rain, so condensation and flashing leaks need separating.
More places we handle skylight repair
Skylight Repair questions
Is my skylight leaking from the glass, the seal or the flashing?
Watch where the water appears. A drip from the middle of the dome or fog between panes points to the unit. Water at the frame edge suggests the seal. Stains on the shaft walls, especially the upper corners, usually mean flashing. We confirm with an inspection and, on a dry day, a hose test around each side.
Can a cracked plastic skylight dome be replaced on its own?
Sometimes. Many older curb-mounted domes lift off and can be replaced with a matching size if one is available. If the curb is rotted, the size is no longer made, or the flashing is failing too, replacing the whole unit with a modern skylight is usually the better repair.
Is skylight condensation a leak?
Not usually. Droplets on the room side of the glass on cool mornings come from warm, moist indoor air, often from a bathroom. If moisture is trapped between two panes, the glazing seal has failed. Water that appears only during rain is a leak. Better ventilation fixes most condensation.
Why does my bathroom skylight leak more than the others?
Bathroom skylights deal with both rain and steam. Shower humidity condenses on cold glass and runs down the shaft, which looks like a leak. Older bathroom units were also often installed with sealant only. We check flashing first, then advise on venting skylights or fans if condensation is the cause.
Can you repair a skylight while it is raining?
We can cover a leaking skylight temporarily during rain, but a permanent repair needs a dry roof so membrane and flashing bond properly. We schedule the full repair for the next dry window and keep the temporary cover secure until then.
How long does a skylight repair last?
A proper reflash with new membrane and metal usually lasts as long as the roof around it. A sealant-only fix may last one season. We say up front which type of repair you are getting, so you can plan.