Basic
$414 – $994 each
Solid knotty alder stile-and-rail 3-panel door, unfinished, standard hinges and latch fitted

Supply and install one solid (or solid-core with alder veneer) knotty or clear alder interior door, pre-hung or slab, including hardware and fitting.
Solid Alder Interior Doors in Billings, Montana typically costs $487 to $1,169 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Billings are 2.0% lower than the national average for solid alder interior doors.
National average: $500 – $1,200 each
$414 – $994 each
Solid knotty alder stile-and-rail 3-panel door, unfinished, standard hinges and latch fitted
$487 – $1,169 each
Select-grade knotty alder 3-panel stile-and-rail door with fewer, smaller knots, unfinished, hinges and latch fitted
$609 – $1,461 each
Solid clear alder 3-panel stile-and-rail door with smooth even grain, unfinished, heavier hinges and latch fitted
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $218 – $517 | each |
| Labor | labor | $173 – $421 | each |
| Supplies & Other | supplies | $58 – $138 | each |
| Equipment & Disposal | equipment | $38 – $92 | each |
Connect with local solid alder interior doors contractors in Billings for personalized quotes based on your specific project.