Basic
$445 – $1,334 each
White vinyl horizontal slider, dual-pane low-E glass, sweep latch and half screen, foam-sealed and caulked in the opening
Supply and install one horizontal sliding window (typical ~48x48 in., vinyl to composite) in an existing opening.
Sliding Window in Washington, District of Columbia typically costs $523 to $1,570 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 sliding window.
National average: $500 – $1,500 each
$445 – $1,334 each
White vinyl horizontal slider, dual-pane low-E glass, sweep latch and half screen, foam-sealed and caulked in the opening
$523 – $1,570 each
Welded white vinyl slider, low-E argon glass, dual locks and full screen, sealed and trimmed
$654 – $1,962 each
Composite horizontal slider with dark exterior finish, low-E argon glass, narrow frame, dual locks and full screen
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $236 – $709 | each |
| Labor | labor | $182 – $546 | each |
| Supplies & Other | supplies | $63 – $189 | each |
| Equipment & Disposal | equipment | $42 – $126 | each |
Connect with local sliding window contractors in Washington for personalized quotes based on your specific project.