Free roofing tool

Skylight cost calculator (2026)

Estimate skylights by how many you want and the type you choose.

Enter the number of skylights and the type for a fast 2026 installed price range. Cost depends on whether they’re fixed, venting, or solar-powered.

Estimated installed cost

Installed with a roof: cheaper. Cutting into an existing roof: more, due to flashing and drywall work.

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What drives skylight cost

Price is per skylight installed. Tubular skylights are cheapest and easiest; fixed units let in light only; venting ones open for airflow; solar models open on a remote and may qualify for a tax credit. Adding one to an existing roof costs more than during a re-roof because of flashing and interior finish work.

Cost ranges reflect 2026 U.S. installed prices (BLS producer/labor data, Remodeling Cost vs. Value, and manufacturer pricing). Your real price depends on your roof, region, and pro — see the full cost guide.

FAQ

Skylight Cost Calculator questions

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Most run $1,000–$4,500 per skylight installed. Tubular units start near $500; solar venting models can reach $6,000 with controls and flashing.
Yes. The roof is already open and flashing is being done, so installing skylights during a replacement saves on labor versus cutting into a finished roof later.
A properly flashed skylight installed by a pro rarely leaks. Most leaks come from bad flashing or old, dried-out seals — which is why installation quality matters most.
Solar-powered venting skylights and their blinds can qualify for the federal residential clean-energy credit. Confirm current rules with your installer or tax advisor.

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