Basic
$445 – $1,067 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 Washington, District of Columbia typically costs $523 to $1,256 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Washington are 5.0% higher than the national average for solid alder interior doors.
National average: $500 – $1,200 each
$445 – $1,067 each
Solid knotty alder stile-and-rail 3-panel door, unfinished, standard hinges and latch fitted
$523 – $1,256 each
Select-grade knotty alder 3-panel stile-and-rail door with fewer, smaller knots, unfinished, hinges and latch fitted
$654 – $1,570 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 | $238 – $566 | each |
| Labor | labor | $180 – $438 | each |
| Supplies & Other | supplies | $63 – $151 | each |
| Equipment & Disposal | equipment | $42 – $101 | each |
Connect with local solid alder interior doors contractors in Washington for personalized quotes based on your specific project.