Basic
$0.30 – $0.65 per sq ft
Low-pressure soft wash with one oxygen-based cleaner application, loose moss brushed off, nearby plants pre-wetted and rinsed

Rendering: BuildX
Professional low-pressure/soft-wash cleaning of a cedar shake roof (moss and algae removal), per sq ft of roof; preservative treatment extra.
Clean a Cedar Shake Roof in Providence, Rhode Island typically costs $0.36 to $0.77 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 Providence are 4.0% higher than the national average for clean a cedar shake roof.
National average: $0.35 – $0.75 per sq ft
$0.30 – $0.65 per sq ft
Low-pressure soft wash with one oxygen-based cleaner application, loose moss brushed off, nearby plants pre-wetted and rinsed
$0.36 – $0.77 per sq ft
Soft wash with oxygen-based cleaner and proper dwell time, moss hand-raked from shake gaps, low-pressure rinse, plantings protected
$0.45 – $0.96 per sq ft
Two-pass soft wash with longer dwell, moss hand-cleared from gaps and ridge, wood brightener rinse to even the color, plants covered
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.16 – $0.32 | sq ft |
| Labor | labor | $0.13 – $0.30 | sq ft |
| Supplies & Other | supplies | $0.04 – $0.08 | sq ft |
| Equipment & Disposal | equipment | $0.03 – $0.07 | sq ft |
Cedar shake roof with a cleaned section beside a mossy section
Rendering: BuildX
Find a pro to do thisHand scraper removing moss from between cedar shakes
Rendering: BuildX
Find a pro to do thisLabor costs in Providence run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local clean a cedar shake roof contractors in Providence for personalized quotes based on your specific project.