Basic
$130 – $433 per project
Surface pressure-washed with a general cleaner to lift moss, mold and algae, debris rinsed off
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 Wilmington, Delaware typically costs $153 to $510 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Wilmington are 4.0% higher than the national average for remove surface moss mold and algae.
National average: $150 – $500 per project
$130 – $433 per project
Surface pressure-washed with a general cleaner to lift moss, mold and algae, debris rinsed off
$153 – $510 per project
Algaecide pretreatment, surface-cleaner pass, joints and edges wand-detailed, full rinse
$191 – $637 per project
Algaecide pretreatment with dwell time, surface-cleaner pass, joints flushed, plants protected, preventive post-treatment
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $65 – $218 | job |
| Labor | labor | $58 – $194 | job |
| Supplies & Other | supplies | $17 – $58 | job |
| Equipment & Disposal | equipment | $12 – $39 | job |
Labor costs in Wilmington run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local remove surface moss mold and algae contractors in Wilmington for personalized quotes based on your specific project.