Roof Cleaning
Algae & Moss
Soft-Pressure
Roof Washing
San Jose
San Francisco Bay

San Francisco Bay Area's Low-Pressure Roof Cleaning Experts―Soft Wash Certified

Maxx ECO Wash is the San Francisco Bay Area’s top-rated SoftWash Systems–certified professional and leading provider of soft wash low-pressure roof cleaning services—specializing in roof moss, mold, mildew, and algae removal, gentle-pressure roof cleaning, professional roof washing, and complete roofing restoration solutions.

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We proudly serve homeowners, HOAs, property managers, and commercial clients across Marin County, San Francisco, San Mateo County, and on the Peninsula, East Bay, Silicon Valley, and San Jose in the South Bay Area. Our mission is to help Bay Area property owners extend roof life, restore curb appeal, and avoid premature roof replacement through safe, certified, and eco-friendly cleaning technology.

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With our exclusive 5-Year Limited Roof Cleaning Warranty, you can rest assured that your roof will remain clean, protected, and free from bacterial regrowth—guaranteed.

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Why Soft Wash Roof Cleaning is Essential in the San Francisco Bay Area

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The Bay Area’s diverse micro-climate—from coastal fog to inland heat—creates ideal conditions for bacterial roof contamination. Over time, moss, mold, mildew, algae, lichen, and black streaks (cyanobacteria) thrive on roofing materials, quietly feeding on them and causing irreversible damage if left untreated.

How Moss, Mold, Mildew, Algae, & Cyanobacterial Contaminants Damage Roofs

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• Asphalt Shingle Roofs: Black streaks (Cyanobacteria) caused by Gloeocapsa magma bacteria feed on the limestone granules within asphalt shingles, leading to granule loss, thinning, and early roof deterioration. As the shingles weaken, they lose waterproofing ability, resulting in leaks and structural damage years before their expected lifespan.

• Cedar Wood Shake Roofs: In shaded and humid communities like Mill Valley, Los Gatos, and Woodside, bacteria and mildew penetrate cedar fibers, causing decay, warping, and rot. Our specialized cedar shake roof cleaning eliminates mold and restores wood health, preventing bacterial breakdown and extending roof life.

• Tile & Spanish Barrel Tile Roofs: While tile roofs can last up to 100 years, microbial growth attacks the underlayment—the waterproof barrier beneath the tiles. Once compromised, leaks and internal damage occur, requiring complete roof removal to replace the underlayment. Regular soft washing prevents this costly failure by stopping microbial contamination at its source.

• Metal, Slate & Flat Roofs: Sun oxidation, algae, and standing water reduce efficiency and appearance. Low-pressure roof cleaning restores the roof’s reflective properties, improving energy efficiency and performance while protecting against corrosion and leaks.

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The Bay Area’s Microclimates Increase Roofing Wear & Damage

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Each part of the Bay Area presents unique environmental challenges:​

• Foggy Coastal Zones – In Pacifica, Half Moon Bay, Daly City, and Moss Beach, constant moisture encourages moss, mildew, and algae growth.

• Wooded Hillsides – In Marin County, Mill Valley, Portola Valley, and Los Gatos, leaf debris and shade accelerate fungal buildup.

• Urban Centers – In San Francisco, Oakland, and Berkeley, soot and pollution cause discoloration and chemical damage.

• Inland Areas – In San Jose, Livermore, Dublin, Walnut Creek, Sunnyvale, Fremont, Danville, and Morgan Hill, UV radiation and heat amplify the effects of microbial decay.

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Without regular roof cleaning, these conditions combine to cause premature roof wear, bacterial decay, and underlayment failure—resulting in thousands in avoidable repair costs.

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Certified & Insurance-Compliant Roof Cleaning in the San Francisco Bay, CA

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Maxx ECO Wash provides California insurance-compliant roof cleaning services that meet ARMA (Asphalt Roofing Manufacturers Association) standards. Many insurance providers now require professional roof cleaning for renewals—especially for shingle and wood shake roofs.

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Our compliance package includes:

• Certified SoftWash Systems cleaning documentation

• High-resolution drone before-and-after photos

• Detailed roof inspection and cleaning reports

• Certificates of Insurance (COIs) for HOAs, property managers, and homeowners

Whether you’re renewing your policy in Marin, San Mateo, Alameda, or Santa Clara County, or preparing a property for sale in Atherton, Hillsborough, or Palo Alto, Maxx ECO Wash guarantees your roof meets all safety and insurance standards.

The Benefits of Soft Wash Roof Cleaning

Maxx ECO Wash’s SoftWash-certified roof washing system uses precision-calibrated, low-pressure technology and biodegradable detergents to clean your roof safely and thoroughly.

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• Restores & Protects Roofing Materials: Removes destructive growth at the molecular level, preventing future damage.

• Energy Efficiency: A clean roof reflects sunlight better, keeping your home cooler in summer and reducing PG&E energy costs.

• Insurance Compliance: Meets California homeowner insurance requirements for roof maintenance and renewal.

• Preserves Warranty Coverage: Our ARMA-approved methods comply with manufacturer standards to protect your roof warranty.

• Curb Appeal & Property Value: A spotless roof enhances your property’s aesthetic and increases resale value in any Bay Area community.

• Environmentally Safe: Uses ECO-friendly, non-toxic detergents safe for landscaping, pets, and the environment.

• Backed by a 5-Year Warranty: Our exclusive warranty ensures lasting protection from algae, moss, and mildew regrowth.

Roofing Types We Clean Across the SF Bay Area

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Our low-pressure, detergent-based SoftWash Systems roof cleaning technology safely cleans every roofing type in the region:​

• Asphalt & Composite Shingles – Common in San Jose, San Mateo, Daly City, Pacifica, Half Moon Bay, and Walnut Creek; removes black streaks, algae, and moss while restoring color.

• Cedar Wood Shake Roofs – Found in Atherton, Woodside, Tiburon, and Mill Valley; algaecide treatments and RESTORE conditioning hydrate wood, add UV protection, and prevent rot.

• Concrete Tile Roofs – Popular in Danville, San Ramon, Dublin, Livermore, Cupertino, Fremont, Hayward, and Union City; removes moss, grime, and staining while preserving structural integrity.

• Clay & Spanish Barrel Tile Roofs – Seen in Palo Alto, Burlingame, San Mateo, San Jose, Saratoga, and Menlo Park; gentle soft washing removes organic growth and brightens natural tile.

• Metal Roofs – Including standing seam, galvalume, stone-coated steel, and corrugated; eliminates oxidation and streaks safely.

• Slate Roofs – Found in historic areas like San Francisco, Woodside, Ross, and Marin County; delicate cleaning maintains texture and longevity.

• Commercial Flat Roof Systems – Including TPO, EPDM, PVC, and bitumen membranes; removes buildup for improved drainage and protection against leaks.

Our San Francisco Bay Area Roof Washing Service Coverage

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Maxx ECO Wash proudly provides certified roof cleaning and restoration across the entire San Francisco Bay Area:

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• Marin County & North Bay: Sausalito, Tiburon, Belvedere, Mill Valley, Larkspur, San Rafael, Corte Madera, Novato, Petaluma

• San Mateo County & Peninsula: Daly City, South San Francisco, San Bruno, Burlingame, Hillsborough, Millbrae, San Mateo, Foster City, Belmont, Redwood City, Atherton, Menlo Park, Woodside, Half Moon Bay, Pacifica, Moss Beach, El Granada

• San Francisco County: the city of San Francisco, Presidio Heights, Sea Cliff, and more.

• East Bay & Alameda County: Oakland, Berkeley, Alameda, Fremont, Hayward, Union City, Newark, Pleasanton, Livermore, Walnut Creek, Danville, San Ramon, Alamo, Lafayette, Orinda, Moraga, Concord

• South Bay & Santa Clara County: Palo Alto, Mountain View, Sunnyvale, Cupertino, Santa Clara, San Jose, Saratoga, Los Gatos, Morgan Hill, Gilroy

The Maxx ECO Wash Advantage

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• SoftWash Systems Certified – Authorized to use the industry’s safest, ARMA-approved low-pressure cleaning technology.

• Eco-Friendly Cleaning – Biodegradable detergents and up to 66% less water usage.

• 5-Year Roof Cleaning Warranty – Guarantees lasting protection against algae and moss regrowth.

• Drone Documentation – Every service includes high-resolution before-and-after drone photos.

• Local Expertise – Trusted by homeowners, HOAs, and property managers across all nine Bay Area counties.

• Insurance & Warranty Safe – Cleaning process maintains manufacturer and insurance compliance.

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Contact Maxx ECO Wash for a FREE Roof Cleaning Estimate in the San Francisco Bay Area, Marin, and Silicon Valley

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Protect your investment and preserve the beauty of your property with Maxx ECO Wash, the Bay Area’s leading provider of roofing moss, mold, mildew, and algae removal, low-pressure roof cleaning, roof washing, and roof restoration services.

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Whether you own a home in San Jose, manage an HOA in Marin County, or operate a business in San Francisco or the East Bay, we guarantee certified results, environmental safety, and long-lasting performance—all backed by our 5-Year Roof Cleaning Warranty.

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Maxx ECO Wash – The San Francisco Bay Area’s trusted roof cleaning and roofing restoration professionals, where technology, sustainability, and certified expertise come together to protect and extend the life of your roof.

Removal of Moss, Mold, Mildew & Algae, Low-Pressure Roof Cleaning, Pre-Solar Panel Install Roof Washing, and Roofing Restoration Services in the San Francisco Bay & San Jose, CA