Professional Soft Washing Services
Serving The Bay Area & Surrounding Areas
Understanding the Power of Gentle Soft Washing
A Safer, More Effective Alternative to Pressure Washing
Soft washing is an advanced cleaning method that utilizes low-pressure water combined with specialized, biodegradable cleaning solutions. Unlike traditional pressure washing, which relies on high-velocity water to blast away contaminants, soft washing gently treats the surface. This technique is designed to target and eliminate the root causes of staining, such as mold, algae, mildew, and bacteria, without risking damage to your property’s exterior.
The primary benefit of this gentle approach is its safety and effectiveness. High pressure can etch, strip, or otherwise damage delicate surfaces like vinyl siding, asphalt shingles, wood panels, and stucco. Soft washing cleans these materials thoroughly while preserving their integrity and extending their lifespan, providing a deep, long-lasting clean that restores your property’s curb appeal.
Targeting Algae, Mold, and Mildew at the Source
The dark stains, green streaks, and discolored patches on your home’s exterior are more than just an eyesore. They are typically living organisms like algae, mold, lichen, and mildew that are feeding on your building materials. If left untreated, these contaminants can lead to premature aging, rot, and decay, causing costly repairs down the line.
Our soft washing process does more than just wash away the surface-level grime. The specially formulated cleaning agents penetrate deep into the pores of the material, killing these harmful organisms at the root. This sanitation process not only provides a visibly superior clean but also helps prevent the rapid regrowth of algae and mold, keeping your exterior beautiful for much longer.
Safe for Roofs, Siding, Decks, and More
Your roof is one of the most common places for unsightly black streaks, which are caused by an algae called Gloeocapsa magma. Our soft washing service is the method recommended by the Asphalt Roofing Manufacturers Association (ARMA) to safely remove these stains without voiding warranties or damaging shingles.
From delicate vinyl and stucco to durable brick and wood, different types of siding require a specific approach to cleaning. Soft washing is the ideal solution for all siding materials, as it effectively removes dirt, pollen, and organic growth without the risk of forcing water behind panels, which can lead to moisture issues and mold growth.
The versatility of soft washing extends beyond your walls and roof. We can safely restore the appearance of wooden decks, composite fences, concrete patios, pavers, and other outdoor surfaces. It lifts away ground-in dirt and eliminates slippery algae, making your outdoor living spaces clean, safe, and inviting again.


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Anand Sahu2024-07-16Trustindex verifies that the original source of the review is Google. Extremely professional, excellent service. They replaced my windshield in about an hour. Excellent prices lowest around, I know because I shopped around. Sylvia was so pleasant and helpful. Renee Kujak2023-08-24Trustindex verifies that the original source of the review is Google. Highly recommend Melanie and her team. Not only delightful to work with but the work is beyond amazing. My windows, gutters and solar panels have NEVER been this clean! Excited to use them every year and will be recommending them to everyone I know! Chris Todd2021-07-14Trustindex verifies that the original source of the review is Google. Great experience. Called for solar cleaning. Came the same day and did a great job including cleaning 15 floor to ceiling windows. Now on a bi-yearly cleaning schedule. Linda Plummer2021-07-11Trustindex verifies that the original source of the review is Google. We are thrilled with the window cleaning provided by California Glass & Solar. Melanie was able to do our cleaning just two days after she had provided the quote. She was extremely neat and thorough. The views are now so clear we are constantly saying to each other that it's as if there is no glass in the windows. Sandra Black2021-07-10Trustindex verifies that the original source of the review is Google. I contacted Melanie at California Glass and Solar via phone after seeing her website. We communicated via text regarding property and time to do a site visit. Price was reasonable and work was performed during the initial site visit. Within an hour all panels were clean and shiny. Melanie and her helper were very friendly, efficient and easy to deal with. They did a great job cleaning some very dirty solar panels! I would highly recommend their company. In the photo is the Before (right) and After (left) picture. What a difference! David Finger2021-07-09Trustindex verifies that the original source of the review is Google. I used California Glass and Solar to clean the solar panels on my 2 story home and will definitely be using them again. They did a great job and showed me before and after pictures, even cleaning off some paint the painters had inadvertently put on the panels. Even cleaned the sky light while they were up there. Super nice, great job, very professional. Kelly Ann2020-07-29Trustindex verifies that the original source of the review is Google. Amazing !! Melanie runs a great company, her service techs are prompt, polite and do an amazing job! My windows/solar panels have never been cleaner! Definitely will be having them clean them from now on. Great job! Andrea McCrossen2020-07-29Trustindex verifies that the original source of the review is Google. Extremely professional!! Steve Levy2020-07-29Trustindex verifies that the original source of the review is Google. I have been a customer of California Glass and Solar for over 3 years. They have not only cared for our Array (2 story so two levels) from a soling and cleaning perspective but are always on the look out for anything they see "Micro Cracks" as an example that a homeowner would not see from the ground. They go the extra mile and are well worth the money to keep your PV investment running as designed.

Why Choose California Glass and Solar?
The Bay Area’s Premier Exterior Cleaning Specialists
As a locally focused company, we have extensive experience cleaning properties throughout The Bay Area. We understand the specific environmental factors in our region that contribute to the growth of algae and mildew, allowing us to provide targeted solutions that deliver exceptional, lasting results for homes and businesses.
What truly sets California Glass and Solar apart is our dedication to innovation and quality control. We design and manufacture all of our own soft washing brushes and equipment in-house at our shop. This unique capability ensures that we use the perfect custom tool for every job, protecting the diverse architectural finishes found on properties across The Bay Area and achieving a superior clean that off-the-shelf equipment cannot replicate.
We are committed to helping our neighbors protect their investment and maintain a beautiful property. If you’re looking for the most effective and safest way to clean your exterior in The Bay Area, contact California Glass and Solar today. We offer detailed consultations and free, no-obligation estimates for our professional soft washing services.
Anand Sahu2024-07-16Trustindex verifies that the original source of the review is Google. Extremely professional, excellent service. They replaced my windshield in about an hour. Excellent prices lowest around, I know because I shopped around. Sylvia was so pleasant and helpful. Renee Kujak2023-08-24Trustindex verifies that the original source of the review is Google. Highly recommend Melanie and her team. Not only delightful to work with but the work is beyond amazing. My windows, gutters and solar panels have NEVER been this clean! Excited to use them every year and will be recommending them to everyone I know! Chris Todd2021-07-14Trustindex verifies that the original source of the review is Google. Great experience. Called for solar cleaning. Came the same day and did a great job including cleaning 15 floor to ceiling windows. Now on a bi-yearly cleaning schedule. Linda Plummer2021-07-11Trustindex verifies that the original source of the review is Google. We are thrilled with the window cleaning provided by California Glass & Solar. Melanie was able to do our cleaning just two days after she had provided the quote. She was extremely neat and thorough. The views are now so clear we are constantly saying to each other that it's as if there is no glass in the windows. Sandra Black2021-07-10Trustindex verifies that the original source of the review is Google. I contacted Melanie at California Glass and Solar via phone after seeing her website. We communicated via text regarding property and time to do a site visit. Price was reasonable and work was performed during the initial site visit. Within an hour all panels were clean and shiny. Melanie and her helper were very friendly, efficient and easy to deal with. They did a great job cleaning some very dirty solar panels! I would highly recommend their company. In the photo is the Before (right) and After (left) picture. What a difference! David Finger2021-07-09Trustindex verifies that the original source of the review is Google. I used California Glass and Solar to clean the solar panels on my 2 story home and will definitely be using them again. They did a great job and showed me before and after pictures, even cleaning off some paint the painters had inadvertently put on the panels. Even cleaned the sky light while they were up there. Super nice, great job, very professional. Kelly Ann2020-07-29Trustindex verifies that the original source of the review is Google. Amazing !! Melanie runs a great company, her service techs are prompt, polite and do an amazing job! My windows/solar panels have never been cleaner! Definitely will be having them clean them from now on. Great job! Andrea McCrossen2020-07-29Trustindex verifies that the original source of the review is Google. Extremely professional!! Steve Levy2020-07-29Trustindex verifies that the original source of the review is Google. I have been a customer of California Glass and Solar for over 3 years. They have not only cared for our Array (2 story so two levels) from a soling and cleaning perspective but are always on the look out for anything they see "Micro Cracks" as an example that a homeowner would not see from the ground. They go the extra mile and are well worth the money to keep your PV investment running as designed.
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