Basic
$133 – $445 per project
Surface pressure-washed with a general cleaner to lift moss, mold and algae, debris rinsed off
How Much Does Remove Surface Moss Mold And Algae Cost in Washington, District of Columbia?
Pressure/soft-wash to remove surface moss, mold and algae from one exterior hard surface (patio/driveway/walk ~200-600 sq ft); roof cleaning costs more.
Remove Surface Moss Mold And Algae in Washington, District of Columbia typically costs $157 to $523 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Remove Surface Moss Mold And Algae in Washington, District of Columbia
$157 – $523
per projectPrices in Washington are 5.0% higher than the national average for remove surface moss mold and algae.
National average: $150 – $500 per project
What you get at each price level
Standard
$157 – $523 per project
Algaecide pretreatment, surface-cleaner pass, joints and edges wand-detailed, full rinse
Premium
$196 – $654 per project
Algaecide pretreatment with dwell time, surface-cleaner pass, joints flushed, plants protected, preventive post-treatment
Cost Breakdown in Washington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $71 – $236 | job |
| Labor | labor | $55 – $182 | job |
| Supplies & Other | supplies | $19 – $63 | job |
| Equipment & Disposal | equipment | $13 – $42 | job |
Prices adjusted for Washington local market conditions.
Cost Factors in Washington, District of Columbia
What Affects Pricing
- Materials ($67.50-$225.00 per project)
- Labor ($52.50-$175.00 per project)
- Supplies & Other ($18.00-$60.00 per project)
- Equipment & Disposal ($12.00-$40.00 per project)
Local Price Adjustments
Material costs5.0% above avg
Labor costs4.0% above avg
Frequently Asked Questions
References
- Cajun Softwash - Patio Cleaning Cost (2026), cajunsoftwash.com, retrieved Nov 2026
- CalculatedHome - Pressure Washing Cost (2026), calculatedhome.com, retrieved Nov 2026
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
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