Basic
$0.26 – $0.85 per sq ft
Loose moss brushed off, moss and algae treatment applied, low-pressure rinse

Removing moss and algae from exterior surfaces (roof, walkways, patios, walls) with treatment and low-pressure wash, priced per square foot.
Clean Moss From Exterior Surfaces in Baltimore, Maryland typically costs $0.30 to $1 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 Baltimore are in line with the national average for clean moss from exterior surfaces.
National average: $0.30 – $1 per sq ft
$0.26 – $0.85 per sq ft
Loose moss brushed off, moss and algae treatment applied, low-pressure rinse
$0.30 – $1 per sq ft
Moss scraped and brushed, treatment applied with dwell time, low-pressure rinse, nearby plants wetted and rinsed
$0.38 – $1.25 per sq ft
Moss hand-scraped from joints and edges, two-step treatment and rinse, preventive treatment to slow regrowth, plants covered
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.14 – $0.46 | sq ft |
| Labor | labor | $0.10 – $0.34 | sq ft |
| Supplies & Other | supplies | $0.04 – $0.12 | sq ft |
| Equipment & Disposal | equipment | $0.02 – $0.08 | sq ft |
Material costs in Baltimore run proportionally higher than labor, which may favor labor-intensive approaches.
Connect with local clean moss from exterior surfaces contractors in Baltimore for personalized quotes based on your specific project.