Who to call · Roofer
Skylight leaking water? Here's Who to Call
A leaking skylight can cause stained ceilings, rotted framing, mold growth, and damaged insulation if not addressed promptly. Not every drip is a true leak — condensation on the interior glass is common in winter when warm, humid indoor air meets the cold skylight surface, and it can look identical to a roof leak. A true leak usually appears during or shortly after rain and is caused by failed flashing around the skylight curb, dried or cracked sealant between the glass and frame, improperly installed step flashing where the skylight meets the shingles, or ice dams forcing water uphill under shingles. A roofer can diagnose the source with a water test. Re-sealing the skylight frame with appropriate roofing sealant costs $150–$400. Replacing deteriorated flashing around the curb — which requires removing surrounding shingles, installing new step and counter flashing, and re-shingling — runs $400–$1,200 depending on skylight size and roof pitch. If the skylight unit itself is cracked, fogged between panes, or over 20 years old, full replacement costs $800–$2,500 including the unit and installation. Deck-mounted skylights are easier to replace than curb-mounted ones. Adding a proper cricket (small diverter ridge) above a skylight on a low-slope section prevents future water pooling ($300–$600).
What's going on
How to fix skylight leaking water
Some "skylight leaking water" cases look simple, but getting it wrong almost always costs more than calling a pro: hidden leaks, fire risk, code violations, and insurance headaches. A licensed roofer will diagnose the exact cause, use the right professional tools, and stand behind the repair. Most local pros offer free quotes and can visit the same day or the next.
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Symptoms to look for
- 01
Water dripping from the skylight frame or pooling on the sill
- 02
Brown or yellowish water stains on the ceiling around the skylight
- 03
Condensation or fogging between the skylight glass panes
- 04
Peeling or bubbling paint on the ceiling near the skylight
- 05
Visible cracks or gaps in the sealant around the skylight frame
FAQ
Frequently asked questions
Who should I call for: Skylight leaking water?
A leaking skylight can cause stained ceilings, rotted framing, mold growth, and damaged insulation if not addressed promptly. Not every drip is a true leak — condensation on the interior glass is common in winter when warm, humid indoor air meets the cold skylight surface, and it can look identical to a roof leak. A true leak usually appears during or shortly after rain and is caused by failed flashing around the skylight curb, dried or cracked sealant between the glass and frame, improperly installed step flashing where the skylight meets the shingles, or ice dams forcing water uphill under shingles. A roofer can diagnose the source with a water test. Re-sealing the skylight frame with appropriate roofing sealant costs $150–$400. Replacing deteriorated flashing around the curb — which requires removing surrounding shingles, installing new step and counter flashing, and re-shingling — runs $400–$1,200 depending on skylight size and roof pitch. If the skylight unit itself is cracked, fogged between panes, or over 20 years old, full replacement costs $800–$2,500 including the unit and installation. Deck-mounted skylights are easier to replace than curb-mounted ones. Adding a proper cricket (small diverter ridge) above a skylight on a low-slope section prevents future water pooling ($300–$600).
Can I fix this myself?
Some minor cases can be handled DIY, but most require a licensed roofer to avoid costly rework and safety risks. A free quote takes under a minute.
How fast can a pro come out?
Most roofers offer same-day or next-day visits for non-emergency issues. True emergencies (burst pipes, gas smell, no heat in winter) are typically handled within 1–4 hours.
How much does it cost to fix?
Costs vary by severity and your location. Submit a free quote request to get real pricing from verified local pros in your area.
What are the signs of: Skylight leaking water?
Water dripping from the skylight frame or pooling on the sill. Brown or yellowish water stains on the ceiling around the skylight. Condensation or fogging between the skylight glass panes. Peeling or bubbling paint on the ceiling near the skylight. Visible cracks or gaps in the sealant around the skylight frame.