Skylight services
Skylight work falls into four jobs: installing a new skylight (cutting a fresh opening in the roof and framing it), replacing an existing one in the same opening, reflashing a skylight that leaks but is otherwise sound, and repairing hardware like motors, blinds or seals. Replacement in an existing opening is the cheapest and fastest of the big jobs - VELUX puts a typical single skylight replacement at around two hours of work, plus any interior finishing. Cutting a new opening costs more because it involves framing, drywall and paint as well as roofing.
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What skylight services actually cover
The single most useful question to ask a contractor is which of those four jobs they are quoting. "Fix the skylight" can mean a $300 flashing repair or a $4,000 unit-plus-opening rebuild, and some companies will quote the expensive version for a problem the cheap version solves. Make them tell you what they found and why the smaller fix won't hold.
Skylights sit at the intersection of two trades. The unit is a window; the thing that keeps water out is roofing. Plenty of window companies will sell you a skylight and plenty of roofers will install one, but the person doing the work needs to be comfortable detailing a curb and step-flashing into your specific roof covering. Ask what roofs they've flashed this month.
Material costs vary a lot by type. Fixr puts skylight material alone at roughly $229-$417 for a tubular unit, $295-$537 for a fixed skylight and $574-$1,044 for a ventilating one, with labor around $119-$216 for a new install and $176-$320 for a replacement. Those are unit-and-labor numbers, not the whole project - framing, interior finishing and roof repair around the opening are extra.
This is roof work, at height, often on a slope. We do not suggest homeowners get on the roof to inspect, seal or repair a skylight. Falls from residential roofs are a leading cause of serious home-improvement injury, and a tube of caulk applied from a ladder is the most common way a small leak becomes a hidden rot problem.
All skylight services
Each one covers what the job involves, what moves the price, and when it is the wrong call.
Picking the right skylight job
The judgement calls that decide the bill, before anyone quotes you.
Make them name the job
New opening, replacement in existing opening, reflash, or hardware repair. The price difference between these is enormous and the words get used loosely.
Ask who flashes it
If the salesperson is a window company and the flashing is subcontracted to "a roofer we use," get that roofer's name and license before you sign.
Insist on a manufacturer flashing kit
Skylight makers sell flashing kits matched to the unit and to the roof covering. A skylight bedded in sealant instead of flashed is a leak on a timer.
Get the interior finish in writing
Cutting a new opening means a drywall shaft, corner bead, paint and sometimes moving a rafter. Some quotes stop at the roof deck and leave you a hole in the ceiling.
Don't accept caulk as a repair
Sealant over failed flashing buys a season at most, and it hides the water while the deck rots. If the fix is a tube of goo, it isn't a fix.
The wrong service call is the expensive one
Most people booking skylight work are buying a diagnosis, not a job - and the trade you pick decides what diagnosis you get. Book the wrong specialist and you pay a call-out fee to be told it is somebody else's problem.
- Describe the symptom What you can observe, and when it started. Not what you think it is.
- Ask what the visit includes Whether the diagnostic fee is credited against the work is a question with a real answer.
- Get the scope in writing A number with no line items cannot be compared to a second number.
Where these figures come from
Sources last checked
- Fixr - Skylight Installation Cost · retrieved 2026-07-26
- VELUX - How Often Do Skylights Need to Be Replaced? · retrieved 2026-07-26
- Cityside - Proper Skylight Flashing: Preventing the Most Common Leak Point on the Roof · retrieved 2026-07-26
We don't do skylight work. We match you with pros who do.
HomeMatchup is a matching service, not a skylights contractor. Your job goes to a few local pros who take this work - not a cold-call list.
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