Basic
$125 – $417 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 Portland, Maine?
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 Portland, Maine typically costs $147 to $490 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 Portland, Maine
$147 – $490
per projectPrices in Portland are 1.0% lower 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
$147 – $490 per project
Algaecide pretreatment, surface-cleaner pass, joints and edges wand-detailed, full rinse
Premium
$184 – $613 per project
Algaecide pretreatment with dwell time, surface-cleaner pass, joints flushed, plants protected, preventive post-treatment
Cost Breakdown in Portland
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $65 – $218 | job |
| Labor | labor | $53 – $175 | job |
| Supplies & Other | supplies | $17 – $58 | job |
| Equipment & Disposal | equipment | $12 – $39 | job |
Prices adjusted for Portland local market conditions.
Cost Factors in Portland, Maine
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 costs3.0% below avg
Labor costsAt national average
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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