Skylight Leak Repair in Raymond Hills from $350. Forty-year-old curbs, and the sealant that was never meant to last this long. Free inspection and a written quote.
On an exposed hillside roof a skylight takes wind-driven rain horizontally rather than vertically, which finds the upslope corner of the curb first. That is useful: if your water appears at the top corner of the shaft rather than the bottom, the failure is almost certainly the head flashing rather than the sealant bead.
Orange County tract housing from the 1960s through the 1980s is full of original skylights, and they are the single most common leak point we find in Fullerton. The unit itself is usually not the problem. The curb it sits on, the flashing around that curb, and the sealant bedding it are.



Re-flashing and re-bedding a skylight curb runs $350 to $1,200 depending on access and what the flashing is bedded into. Replacing the unit with a modern deck-mounted skylight and an integral flashing kit starts around $900 fitted and is frequently the better value on a forty-year-old curb. Expect the upper end of every range on this page. Staging and material handling on an elevated lot cost time, larger floor plans mean more valleys and ridges to detail, and on tile the breakage allowance should be higher because wind has usually cracked more than is visible.
A sound curb, sound framing and one failed face. That is a contained repair and it should be priced as one.
A site-built curb on a 1960s-80s tract roof, where another bead of sealant buys a couple of seasons and an integral kit buys decades.
Rotten opening framing, a shaft that has to be re-lined, or a tile roof where the surrounding field has to come up to reach the flashing.
Elevation is the variable. A hillside roof takes wind from a direction the flat streets below never see, so seal lines and ridge caps on the exposed face fail years ahead of the sheltered side. Bigger floor plans also mean longer runs and more valleys, which is more junctions to check rather than simply more area.
Raymond Hills sits above the Coyote Hills Golf Course on the northeast edge of the city, which is why exposure here differs from the tracts on the valley floor.
This is the most expensive mistake a homeowner makes in this market, and it is usually made on someone else's advice.
A skylight curb that has let go, a split upstand, a cracked vent boot: each is a repair costing hundreds, and each gets produced as evidence that the covering around it is finished. The two claims are not connected.
A tile roof quoted at $30,000 to $60,000 is very often an $8,000 to $22,000 lift and relay, because the tile is fine and only the felt beneath it has failed.
Sometimes the answer really is a replacement, and saying so is the same job as saying the opposite. What you should not accept is either answer without being shown why.
Up here the leak is usually on the exposed face.
Concrete tile and forty-year-old skylights.
Big lots, old trees, and litter in every valley.
The newest stock here. Usually one failed detail.
1920s to 1970s on one street. Check the deck.
Backs onto the park. Debris and brush exposure.
Oldest stock, parapets, and nowhere to park a truck.
A different city, with its own building department.
The questions this job turns on, answered up front.
Often not. The glass and the frame usually outlast the curb they sit on, and on a 1960s-80s Fullerton roof it is almost always the curb flashing and the sealant that failed. We price re-flashing and replacement side by side so you can see the difference.
A great deal. Water at the top corner of the shaft points at the head flashing; down one inside face points at that side of the curb; at the bottom edge often means the sill. It is one of the few roof leaks that can be narrowed down before anyone goes up.
One that has not reached the structure. If the stain is small, dry between rains and the sheathing above it is still sound, that is a minor leak and a few hundred dollars. Once the decking has softened or the insulation is wet, it stops being minor regardless of how small the stain looks.
No, but it is a useful symptom. A roof that only leaks in driving rain is usually failing at an upstand, a skylight curb or a lap that is perfectly watertight under vertical water. That narrows the search a long way before anyone gets on the roof, so it is worth telling us.
Someone who will go in the attic. On a low-pitch roof the water enters at a junction and travels before it drops, so the hole is rarely above the stain. Anyone who quotes from the ground, or from a photograph, is guessing at which detail failed.
Free inspection, and a written quote against a written scope. Every slope photographed before and after - the set is yours.