Basic
$0.13 – $0.36 per sq ft
Siding washed at low pressure with a general house-wash detergent, rinsed top to bottom

Exterior house wash (soft wash or pressure wash) of siding, priced per sq ft of wall surface.
Clean Siding in Washington, District of Columbia typically costs $0.16 to $0.42 per sq ft 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 clean siding.
National average: $0.15 – $0.40 per sq ft
$0.13 – $0.36 per sq ft
Siding washed at low pressure with a general house-wash detergent, rinsed top to bottom
$0.16 – $0.42 per sq ft
Soft wash with a mildew-killing house-wash mix, dwell time, low-pressure rinse, windows and plants rinsed after
$0.20 – $0.52 per sq ft
Soft wash with mix matched to siding type, heavy mildew spot-treated twice, trim and corners hand-brushed, plants covered and rinsed
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.07 – $0.19 | sq ft |
| Labor | labor | $0.05 – $0.15 | sq ft |
| Supplies & Other | supplies | $0.02 – $0.05 | sq ft |
| Equipment & Disposal | equipment | $0.01 – $0.03 | sq ft |
Connect with local clean siding contractors in Washington for personalized quotes based on your specific project.