Skylight Installation Cost in 2025
Skylight installation involves cutting an opening in the roof, framing the opening, installing the skylight unit, waterproofing with flashing, and finishing the interior. Modern skylights offer energy-efficient glazing, built-in blinds, and ventilation options. Proper installation is critical to prevent leaks.
Low End
$1,000
Average
$2,200
High End
$4,500
Factors That Affect Skylight Installation Cost
- Skylight type (fixed, vented, tubular)
- Size of skylight
- Roof type and pitch
- Interior finishing (drywall shaft)
- Brand and glazing options
- Curb-mounted vs. deck-mounted
How Long Does Skylight Installation Take?
Typical Timeframe
1-2 days
Skylight Installation Cost by State
Roofing costs vary by location. Here are average replacement costs in selected states: