Professional roof cleaning service in Seattle - moss removal with pump sprayer treatment

    Roof & Gutter Cleaning in Seattle

    Deep roof cleaning, moss removal & treatment, and complete gutter cleaning. All in one package.

    Get a fast quote

    5.0 Google rating
    233 reviews
    12-month guarantee
    Moss-free
    Licensed & insured
    $1M liability coverage

    Roof & Gutter Cleaning

    Roof before and after moss removal

    Roof & Gutter Cleaning Combo

    Starting at $850

    All in one: deep roof cleaning, moss removal and treatment, gutter cleanout, downspout flushing, and debris cleanup.

    12-month moss-free guarantee
    Gutters before and after debris removal

    Complete Gutter Cleaning

    Starting at $350

    Roof debris blown off, gutters cleared, downspouts flushed, and debris cleaned up. Moss removal and treatment are part of the roof combo, not this service.

    Debris cleanup included

    House, Concrete & Deck Cleaning

    House siding before and after soft washing

    House Soft Washing

    Low-pressure cleaning for siding, trim, and soffits.

    Patio before and after pressure washing

    Pressure Washing

    Concrete driveways, patios, and walkways.

    Wood deck before and after cleaning

    Deck Cleaning

    Wood and composite decks, cleaned for the surface.

    We also offer exterior window cleaning.

    Real Results

    Before and after photos from Seattle ProWash jobs.

    Metal Roof Cleaning - Seattle

    Seattle, WA

    Moss Removal + Roof Treatment
    Seattle metal roof after professional moss removal and treatment - clean and restored
    Seattle metal roof before moss removal treatment showing heavy moss growth and discoloration
    Before
    After
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    Metal Roof & Skylight Cleaning - Bellevue

    Bellevue, WA

    Metal Roof Cleaning + Skylight Clean
    Bellevue metal roof and skylights after specialized cleaning - restored to original condition
    Bellevue metal roof with debris and weathering before professional cleaning
    Before
    After
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    Rooftop Deck Soft Wash - Seattle

    Seattle, WA

    Deck Membrane + Parapet Wall Soft Wash
    Same Seattle rooftop deck after soft washing - clean membrane and spotless white walls
    Seattle rooftop deck before soft washing - algae streaks on parapet walls and dirt buildup on the membrane
    Before
    After
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    Asphalt Roof Moss Treatment - Seattle

    Seattle, WA

    Roof Moss Removal + Treatment
    Seattle asphalt roof after professional moss removal and protection treatment - fully restored
    Seattle asphalt roof heavily covered in moss and debris before professional treatment
    Before
    After
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    Dylan Thornsberry, owner of Seattle ProWash, standing in front of the company truck in Kenmore WA

    Dylan Thornsberry

    Owner & Founder

    Meet Dylan

    I'm the owner of Seattle ProWash, based here in Kenmore. My goal is simple: protect your home and do work you'll feel good recommending.

    Our Story

    Get a Fast Quote

    Tell us what needs cleaning. Dylan will call or text about your quote.

    Roof & gutter cleaning combo from $850: deep roof cleaning, moss removal & treatment, and gutter cleaning. Gutter cleaning with roof blow-off from $350.

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    Frequently Asked Questions

    Serving North Seattle & the Eastside

    Based in Kenmore and serving nearby communities.

    Kenmore

    Seattle

    Bellevue

    BothellKirklandShoreline
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