EXTERIOR
Sliding Glass Door Cost: In 2026
Estimate sliding glass door installation cost — with the free window calculator.
A sliding glass door opens a room to the backyard — and lets in light year-round. The unit is the price driver. Here's the real 2026 cost.
THE SHORT ANSWER
The short answer
Sliding glass doors run $600–$3,500 installed in 2026. The unit runs $400–$2,000; labor $300–$800. Standard vinyl units run $600–$1,500; premium aluminum and impact glass run $2,000–$3,500.
What it costs
A standard vinyl sliding door runs $600–$1,500 installed. Aluminum runs $1,000–$2,500. Premium impact or low-E glass runs $2,000–$3,500. The unit runs $400–$2,000; labor runs $300–$800. Replacing an existing door is cheapest.
- Vinyl: $600–$1,500
- Aluminum: $1,000–$2,500
- Premium/impact: $2,000–$3,500
- Labor: $300–$800
Sliding vs French doors
Sliding doors are cheaper, space-saving and easier to maintain than French doors. French doors open fully and look classic but cost $1,100–$3,800. Sliding wins on price and footprint; French wins on openness and style.
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