Basic
$1,250 – $4,584 each
Smooth white fiberglass prehung double French doors, low-E full-lite tempered glass, standard sill, lever set and trim

Rendering: BuildX
Remove an existing exterior door and install a prehung double exterior French door unit with trim and hardware.
Replacement French Door in Portland, Maine typically costs $1,471 to $5,393 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Portland are 1.0% lower than the national average for replacement french door.
National average: $1,500 – $5,500 each
$1,250 – $4,584 each
Smooth white fiberglass prehung double French doors, low-E full-lite tempered glass, standard sill, lever set and trim
$1,471 – $5,393 each
Smooth white fiberglass prehung double French doors, low-E full-lite glass, multipoint lock, adjustable sill, satin nickel lever set, trim
$1,838 – $6,741 each
Prefinished woodgrain fiberglass French doors, low-E glass with grilles, multipoint lock, dark bronze hardware, trim
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $655 – $2,401 | each |
| Labor | labor | $525 – $1,925 | each |
| Supplies & Other | supplies | $175 – $640 | each |
| Equipment & Disposal | equipment | $116 – $427 | each |
Installer leveling and shimming a prehung double French door frame
Rendering: BuildX
Find a pro to do thisThreshold sill height adjusting screws on a fiberglass door
Rendering: BuildX
Find a pro to do thisConnect with local replacement french door contractors in Portland for personalized quotes based on your specific project.