Before & After Results
Frequently Asked Questions
Will you damage my shingles with high pressure?
How long does the moss treatment last?
Do I need to be home during the roof cleaning?
Do you clean metal roofs?
Can moss on my roof affect my homeowners insurance?
What's Included
Gentle cleaning with before-and-after photos of the work.
Roof Cleaning
Complete moss treatment & gutter cleaning
$499 – $1,500 for most homes
Moss removal and treatment, with gutter cleaning included. No high pressure on shingles.
Gutter Cleaning
Full clean with complimentary roof blow-off
Starting at $250
Gutters cleared, downspouts flushed, and roof debris blown off.
BEFORE
AFTERLake Washington waterfront — same roof, one visit.
Metal Roof Cleaning
We remove moss and debris from standing seam, corrugated, and metal shake roofs using a gentle, finish-safe process.
- Moss treatment included, same 12-month guarantee
- From $800, based on roof size and condition
What Our Customers Say
"These guys did an amazing job cleaning up my roof. They did a great job not damaging anything and I would definitely hire them again down the line."
Daniel S.
Roof Cleaning
"Really happy with the work the Seattle Pro Wash team did to clean the transparent roof of my backyard pergola. Quick, friendly and efficient. Highly recommended!"
Aileen I.
Pergola Roof Cleaning
Get a Fast Quote
Tell us what needs cleaning. Dylan will call or text about your quote.
Roof cleaning from $499. Gutter cleaning from $250.
Step 1 of 2: Your info
Roof Cleaning Service Areas
Professional roof cleaning and moss treatment across the Greater Seattle area
Helpful Resources
What Roof Cleaning Costs in Seattle
Real 2026 prices and what actually drives them.
Read Article →Moss Treatment vs. Full Roof Cleaning
Which service your roof actually needs, explained honestly.
Read Article →Best Time of Year to Clean
Season-by-season timing advice for roofs and gutters.
Read Article →