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House Washing Professionals

Removes Grime, Dirt, And Stains

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Revitalize Your Property

House Washing Services

Is your home’s siding showing signs of wear, adorned with unsightly green residue or other grime? Your home is a substantial investment, deserving of proper care. A straightforward exterior wash for your house can significantly enhance its curb appeal and potentially increase its value

Our team of power washing specialists leverages their expertise to restore your home to its former glory, employing our proven soft washing method. Unlike traditional pressure washing, our soft washing technique ensures no harm comes to your property’s exterior or the surrounding landscape.

With our house washing services, you’re not just receiving an impressive initial impression; you’re investing in lasting beauty that will endure for years to come. Trust us to revitalize your home and leave a positive, long-lasting impact.

House Washing Service
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Dirty House Exterior
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Amazing Reviews

EXCELLENT
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Based on 530 reviews
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Glen Wyatt profile picture
Glen Wyatt
June 8, 2026
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Cornerstone did an excellent job cleaning the exterior of the house, including our cedar shingle siding and the windows.
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Helen Smith profile picture
Helen Smith
June 3, 2026
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Crew did an excellent job with all of the windows and skylights on our 3 story home and the price was reasonable. We'll use them again!
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Jim Absher profile picture
Jim Absher
June 1, 2026
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Showed up on time and did the job, even in the rain. Crew was polite, professional and left job site clean. Booking was painless and quick, a big plus!
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Kathy Wenzlick profile picture
Kathy Wenzlick
May 18, 2026
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Fast & Friendly!
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Thomas Browning profile picture
Thomas Browning
May 15, 2026
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Cornerstone crew was terrific; removed a huge amount of moss from sidewalks and driveway. Windows now sparkling and pristine. Highly recommended.
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Kathleen PAC-NW profile picture
Kathleen PAC-NW
May 12, 2026
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Our windows have never looked this clean. Our deck and driveway were pressure washed and they did an awesome job. Polite young men, on time, and worked hard the whole time.
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Guy Trudeau profile picture
Guy Trudeau
May 5, 2026
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We only had the exterior windows cleaned. The crew was very courteous and efficient while they worked.
Best Window Cleaning
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Boost Your Curb Appeal

Professional House Washing

Are you tired of dealing with unsightly stains and dirt on your property’s concrete areas? Our team employs safe and customized methods tailored to the specific needs of your home. Protection your assets and plants along the way.

Beyond just removing stains, our approach goes the extra mile with meticulously crafted techniques aimed at proactively preventing future build-up. We are dedicated to ensuring that your concrete areas not only look visually appealing but also maintain a pristine and well-cared-for appearance over the long term.

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Why Choose Us?

Unrivaled Proficiency & Experience

Prepared to Tackle Any Challenge

Highly Professional & Friendly Staff

Utilize Premium-Grade Products

Removes Dirt & Grime

Experience Excellence

Ready to transform your home’s exterior? Contact Cornerstone Cleaning for expert House Washing services that contribute to the lasting resilience and aesthetic appeal of your property. Are you ready to experience the difference?

Professional House Washing
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House Washing Frequently Asked Questions

House washing uses a soft wash approach (low pressure + specialty cleaners) to safely remove algae, mildew, dust, and grime from home-exterior surfaces without damaging siding, paint, or trim. It improves appearance and helps protect exterior materials.

Most homes benefit from house washing once every 1–2 years, but homes in shaded or moist areas may need it more often to prevent buildup and staining.

 

 

Yes. Soft washing gently removes organic growth at the root level without the risk of water intrusion or surface damage that high-pressure washing can cause on siding materials.

Absolutely. Proper soft washing uses cleaning agents that kill and remove mold and mildew, not just streaks on the surface.

Yes. Professional house washing includes protecting plants, outdoor fixtures, and sensitive areas using eco-safe techniques so your entire exterior is cleaned without collateral damage.

Green stains are algae caused by moisture, shade, and airborne spores. Washington’s climate accelerates this growth.

 

No. House washing uses a soft washing method that relies on low pressure and cleaning solutions to avoid siding damage.

 

 

Yes. Soft washing treats mold and mildew at the root level, not just what you can see.

 

 

No. Professional soft washing is designed specifically to protect paint, vinyl, and composite siding.

 

 

Most homes benefit from house washing every 12–18 months due to moisture and algae growth.

 

Yes. Removing organic growth prevents moisture retention that can lead to rot, staining, and siding deterioration.

 

Roof cleaning is usually done first so runoff does not re-dirty clean siding.

 

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