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Skylight installation cost
Skylight installation runs $1,000–$3,500 per unit plus interior finishing. Sun tunnels are the budget path at $700–$1,900. The failure point is always flashing — deck-mounted units with integrated flashing kits have the best leak records.
Price at a glance
| Item | Typical |
|---|---|
| Job price range | $1000–$3500 |
| Common variants | Deck-mounted curb-less modern units vs traditional curb mount |
| Labor share | 1 day for a simple run |
| Permit | Usually yes |
| Duration | 1 day |
National job price data from the ee.ltd cost database, 2026 edition.
What drives the price
- Curb vs deck mount
- Ceiling framing and drywall chase
- Tubular (sun tunnel) $700–$1,900 cheaper path
- Flashing kit quality
DIY verdict
Flashing is where DIY skylights leak — pro install for anything over living space
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