How much does it cost to install a sliding glass door?
Sliding glass door installation runs $1,200 for a basic vinyl swap-in, $2,400 for a typical mid-tier install with new sill, and $5,500+ for premium fiberglass, multi-panel, or impact-rated coastal doors.
Quick price points (2026)
| Tier | Cost | Unit |
|---|---|---|
| Low | $1,200 | installed |
| Typical | $2,400 | installed |
| High | $5,500 | installed |