– Most Reviewed In The Pacific North West! 
Trusted Roof, Gutter, Window & Pressure Washing — Backed by 2,000+ 5-Star Reviews
Serving the Pacific Northwest for 15 years
Northgate is one of Seattle’s fastest-growing neighborhoods, but with our wet climate and tree-lined streets, homes and businesses still face constant battles against moss, mildew, and grime. Johnny Tsunami brings professional exterior cleaning services to keep your property looking its best year-round.
Our soft wash system removes moss without damaging shingles, perfect for Northgate’s shaded residential streets.
Prevent water overflow during Seattle’s heavy rains with our complete gutter clearing and flushing.
Brighten your home and enjoy clear views of Green Lake and beyond.
Safely remove mold, mildew, and pollution buildup from siding.
Refresh driveways, walkways, and patios for a cleaner, safer exterior.
We serve the entire Northgate area, including:
Roof cleaning in Northgate typically ranges from $400 to $900 depending on the roof size, moss buildup, pitch, and accessibility. We offer free quotes and honest pricing — no hidden fees.
Yes — we work with property managers for apartments, condos, and HOAs.
Yes. Our Tsunami Soft Wash System uses eco-friendly detergents and low pressure to safely clean siding, trim, and even windows without damage to paint, wood, or landscaping.
Twice a year is ideal, especially in spring and fall.
We do. Many Northgate homeowners choose bundled services — like roof + gutter cleaning or house wash + windows — to save time and money. Ask about our maintenance plans for recurring discounts.
In a wet and moss-prone climate like Northgate, we recommend gutter cleaning at least 1–2 times per year and roof moss treatment every 1–3 years, depending on tree coverage and roof type.
Yes — Johnny Tsunami is fully licensed, bonded, and insured in Washington. Every technician is trained, background checked, and covered so you can feel confident and protected.
Moss, grime, and clogged gutters don’t stand a chance — book your Northgate exterior cleaning today.
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We Come
Let’s review your project in person or virtually to plan our next steps. |
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We Clean
Prepare for our washing warriors to restore balance. |
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We Conquer
Keep your home clean with our Clean 365 plans for a fresh feeling all year! |
Tell us how we did
Yelp
“If we recently worked on your home, we’d love to hear about your experience. It only takes a minute, and it means the world to our team.
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We Come
Let’s review your project in person or virtually to plan our next steps. |
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We Clean
Prepare for our washing warriors to restore balance. |
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We Conquer
Keep your home clean with our Clean 365 plans for a fresh feeling all year! |
